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intertidal</title> <meta name="description" content="Search results for: intertidal"> <meta name="keywords" content="intertidal"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="intertidal"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 32</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: intertidal</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Environmental Controls on the Distribution of Intertidal Foraminifers in Sabkha Al-Kharrar, Saudi Arabia: Implications for Sea-Level Changes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Talha%20A.%20Al-Dubai">Talha A. Al-Dubai</a>, <a href="https://publications.waset.org/abstracts/search?q=Rashad%20A.%20Bantan"> Rashad A. Bantan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramadan%20H.%20Abu-Zied"> Ramadan H. Abu-Zied</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20G.%20Jones"> Brian G. Jones</a>, <a href="https://publications.waset.org/abstracts/search?q=Aaid%20G.%20Al-Zubieri"> Aaid G. Al-Zubieri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Contemporary foraminiferal samples sediments were collected from the intertidal sabkha of Al-Kharrar Lagoon, Saudi Arabia, to study the vertical distribution of Foraminifera and, based on a modern training set, their potential to develop a predictor of former sea-level changes in the area. Based on hierarchical cluster analysis, the intertidal sabkha is divided into three vertical zones (A, B & C) represented by three foraminiferal assemblages, where agglutinated species occupied Zone A and calcareous species occupied the other two zones. In Zone A (high intertidal), Agglutinella compressa, Clavulina angularis and C. multicamerata are dominant species with a minor presence of Peneroplis planatus, Coscinospira hemprichii, Sorites orbiculus, Quinqueloculina lamarckiana, Q. seminula, Ammonia convexa and A. tepida. In contrast, in Zone B (middle intertidal) the most abundant species are P. planatus, C. hemprichii, S. orbiculus, Q. lamarckiana, Q. seminula and Q. laevigata, while Zone C (low intertidal) is characterised by C. hemprichii, Q. costata, S. orbiculus, P. planatus, A. convexa, A. tepida, Spiroloculina communis and S. costigera. A transfer function for sea-level reconstruction was developed using a modern dataset of 75 contemporary sediment samples and 99 species collected from several transects across the sabkha. The model provided an error of 0.12m, suggesting that intertidal foraminifers are able to predict the past sea-level changes with high precision in Al-Kharrar Lagoon, and thus the future prediction of those changes in the area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lagoonal%20foraminifers" title="Lagoonal foraminifers">Lagoonal foraminifers</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20sabkha" title=" intertidal sabkha"> intertidal sabkha</a>, <a href="https://publications.waset.org/abstracts/search?q=vertical%20zonation" title=" vertical zonation"> vertical zonation</a>, <a href="https://publications.waset.org/abstracts/search?q=transfer%20function" title=" transfer function"> transfer function</a>, <a href="https://publications.waset.org/abstracts/search?q=sea%20level" title=" sea level"> sea level</a> </p> <a href="https://publications.waset.org/abstracts/141718/environmental-controls-on-the-distribution-of-intertidal-foraminifers-in-sabkha-al-kharrar-saudi-arabia-implications-for-sea-level-changes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141718.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Intertidal Fixed Stake Net Trap (Hadrah) Fishery in Kuwait, Distribution, Catch Rate, and Species Composition </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20F.%20Al-Baz">Ali F. Al-Baz</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohsen%20M.%20Al-Husaini"> Mohsen M. Al-Husaini</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20M.%20Bishop"> James M. Bishop</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intertidal fixed stake net trap (hadrah) is one of the oldest fishing gears used throughout the Arabian Gulf countries since 1800s and also one of most efficient methods of capturing fish from the intertidal area. This study described the hadrah fishery in Kuwait. From October 2001 to December 2002, more than 37,372 specimens representing 95 species (89 fish, 2 mollusks, 4 crustaceans) were measured from hadrah located in three different areas along Kuwait's coast. In Kuwait Bay, catch rates averaged 62 kg/sir day (range 14 kg/sir-day in February to 160 kg/sir-day in October 2002). Commercial species accounted for 41% of the catches. Catches from Failakah Island averaged 96 kg/sir-day from June through September, with 61% of the catch being commercial species. In the southern area, catches averaged only 32 kg/sir-day, and only 34% were commercially important. Forty percent of the hadrah catches were juveniles which shows that the shallow intertidal waters are prime nursery habitat, particularly in Kuwait Bay. To maintain ecosystem biodiversity and recruitment success of the fishes, we recommended that all hadrah should be removed from Kuwait Bay. In the future, removal of hadrah in other locations should be considered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catch%20and%20effort" title="catch and effort">catch and effort</a>, <a href="https://publications.waset.org/abstracts/search?q=hadrah" title=" hadrah"> hadrah</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20fixed%20stake%20net" title=" intertidal fixed stake net"> intertidal fixed stake net</a>, <a href="https://publications.waset.org/abstracts/search?q=Kuwait" title=" Kuwait"> Kuwait</a>, <a href="https://publications.waset.org/abstracts/search?q=species%20composition" title=" species composition"> species composition</a> </p> <a href="https://publications.waset.org/abstracts/1582/intertidal-fixed-stake-net-trap-hadrah-fishery-in-kuwait-distribution-catch-rate-and-species-composition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1582.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">501</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Intertidal Fauna of Kuwait's Coral Islands and Failaka Island</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Manal%20Alkandari">Manal Alkandari</a>, <a href="https://publications.waset.org/abstracts/search?q=Valeriy%20Skryabin"> Valeriy Skryabin</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20Bishop"> James Bishop</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intertidal transects of four of Kuwait’s eight islands were sampled qualitatively and quantitative fauna. In total, 11 transects were sampled during spring tide lows (0 chart datum) as follows: Kubber, two transects; Qaurh, two transects; Umm Al-Maradem, three transects; and Failaka, four trasects. Qualitative and quantitative samples were collected at high, mid 1, mid 2, and low tides. In total, 270 invertebrate taxa and 15 vertebrate (fishes) taxa were identified. Failaka Island with 224 taxa was the most diverse. Second was Umm Al-Maradim with 84 taxa, followed by Kubbar with 47, and finally Qaruh with 38. Polychaetes were the most diverse group accounting for 31% of the taxa; decapods accounted for 17 %; gastropods,14 %; bivalves, 12 %; and amphipods 11%. Fishes and echinoderms contributed on 5 and 3.5 %, respectively. Three Families of polychaetes are reported for the first time in the Arabian Gulf: Protodrilidae, Nerillidae, and Saccocirridae. Island sediments consisted mostly of sand, but a few transects contained up to 40% gravel. Total organic carbon was less than 1% at all transects, but total petroleum hydrocarbons (TPH) ranged up to 100 ppm on Qaru. This is expected because of natural seeps in the area constantly supplying the intertidal zone with oil globules. TPH on Umm Al-Maradim was less than 10 ppm, except at high tide on one transect where concentrations reached 40 ppm. In general, TPHs were less than 10 ppm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intertidal" title="intertidal">intertidal</a>, <a href="https://publications.waset.org/abstracts/search?q=Kuwaits%20waters" title=" Kuwaits waters"> Kuwaits waters</a>, <a href="https://publications.waset.org/abstracts/search?q=marine" title=" marine"> marine</a>, <a href="https://publications.waset.org/abstracts/search?q=invertebrates" title=" invertebrates"> invertebrates</a>, <a href="https://publications.waset.org/abstracts/search?q=fish" title=" fish"> fish</a> </p> <a href="https://publications.waset.org/abstracts/36070/intertidal-fauna-of-kuwaits-coral-islands-and-failaka-island" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36070.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">499</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Macrobenthic Fauna in the Intertidal Zone of Carmen, Agusan Del Norte</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maricris%20I.%20Abuan">Maricris I. Abuan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This assessment of macrobenthic fauna found in the intertidal zone of Brgy. Poblacion, Carmen Agusan del Norte was conducted during the lowest tides of the month of June 2008. Transect-quadrat method was employed during the sampling. Twenty-transect lines were established in the area with lengths depending on the topography of the intertidal zone and were laid perpendicular to the shore, at intervals of fifty meters. Twenty-six (26) macrobenthic species with a total of seventy (70) individuals were identified in the study area. These species belong to the four Phyla -Arthropoda, Mollusca, Echinodermata and Annelida. The three most abundant macrobenthos were hermit crabs (Phylum Arthropoda) , Archaster typicus (Phylum Echinodermata), and Nassarius pullus (Phylum Mollusca). The diversity index value was 2.36. Most species exhibited random distribution And only few species had regular and clumped distribution. The pH, salinity, and sea water temperature readings were within the normal range. Results showed a very scarce macrobenthic species present in the study area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diversity%20index" title="diversity index">diversity index</a>, <a href="https://publications.waset.org/abstracts/search?q=macrobenthic%20fauna" title=" macrobenthic fauna"> macrobenthic fauna</a>, <a href="https://publications.waset.org/abstracts/search?q=macrobenthos" title=" macrobenthos"> macrobenthos</a>, <a href="https://publications.waset.org/abstracts/search?q=phyla" title=" phyla"> phyla</a> </p> <a href="https://publications.waset.org/abstracts/31006/macrobenthic-fauna-in-the-intertidal-zone-of-carmen-agusan-del-norte" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31006.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">326</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Mapping Intertidal Changes Using Polarimetry and Interferometry Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khalid%20Omari">Khalid Omari</a>, <a href="https://publications.waset.org/abstracts/search?q=Rene%20Chenier"> Rene Chenier</a>, <a href="https://publications.waset.org/abstracts/search?q=Enrique%20Blondel"> Enrique Blondel</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryan%20Ahola"> Ryan Ahola</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Northern Canadian coasts have vulnerable and very dynamic intertidal zones with very high tides occurring in several areas. The impact of climate change presents challenges not only for maintaining this biodiversity but also for navigation safety adaptation due to the high sediment mobility in these coastal areas. Thus, frequent mapping of shorelines and intertidal changes is of high importance. To help in quantifying the changes in these fragile ecosystems, remote sensing provides practical monitoring tools at local and regional scales. Traditional methods based on high-resolution optical sensors are often used to map intertidal areas by benefiting of the spectral response contrast of intertidal classes in visible, near and mid-infrared bands. Tidal areas are highly reflective in visible bands mainly because of the presence of fine sand deposits. However, getting a cloud-free optical data that coincide with low tides in intertidal zones in northern regions is very difficult. Alternatively, the all-weather capability and daylight-independence of the microwave remote sensing using synthetic aperture radar (SAR) can offer valuable geophysical parameters with a high frequency revisit over intertidal zones. Multi-polarization SAR parameters have been used successfully in mapping intertidal zones using incoherence target decomposition. Moreover, the crustal displacements caused by ocean tide loading may reach several centimeters that can be detected and quantified across differential interferometric synthetic aperture radar (DInSAR). Soil moisture change has a significant impact on both the coherence and the backscatter. For instance, increases in the backscatter intensity associated with low coherence is an indicator for abrupt surface changes. In this research, we present primary results obtained following our investigation of the potential of the fully polarimetric Radarsat-2 data for mapping an inter-tidal zone located on Tasiujaq on the south-west shore of Ungava Bay, Quebec. Using the repeat pass cycle of Radarsat-2, multiple seasonal fine quad (FQ14W) images are acquired over the site between 2016 and 2018. Only 8 images corresponding to low tide conditions are selected and used to build an interferometric stack of data. The observed displacements along the line of sight generated using HH and VV polarization are compared with the changes noticed using the Freeman Durden polarimetric decomposition and Touzi degree of polarization extrema. Results show the consistency of both approaches in their ability to monitor the changes in intertidal zones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SAR" title="SAR">SAR</a>, <a href="https://publications.waset.org/abstracts/search?q=degree%20of%20polarization" title=" degree of polarization"> degree of polarization</a>, <a href="https://publications.waset.org/abstracts/search?q=DInSAR" title=" DInSAR"> DInSAR</a>, <a href="https://publications.waset.org/abstracts/search?q=Freeman-Durden" title=" Freeman-Durden"> Freeman-Durden</a>, <a href="https://publications.waset.org/abstracts/search?q=polarimetry" title=" polarimetry"> polarimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=Radarsat-2" title=" Radarsat-2"> Radarsat-2</a> </p> <a href="https://publications.waset.org/abstracts/106191/mapping-intertidal-changes-using-polarimetry-and-interferometry-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106191.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Biodiversity Indices for Macrobenthic Community structures of Mangrove Forests, Khamir Port, Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mousa%20Keshavarz">Mousa Keshavarz</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul-Reza%20Dabbagh"> Abdul-Reza Dabbagh</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Soyuf%20Jahromi"> Maryam Soyuf Jahromi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The diversity of mangrove macrobenthos assemblages at mudflat and mangrove ecosystems of Port Khamir, Iran were investigated for one year. During this period, we measured physicochemical properties of water temperature, salinity, pH, DO and the density and distribution of the macrobenthos. We sampled a total of 9 transects, at three different topographic levels along the intertidal zone at three stations. Assemblages at class level were compared. The five most diverse and abundant classes were Foraminifers (54%), Gastropods (23%), Polychaetes (10%), Bivalves (8%) & Crustaceans (5%), respectively. Overall densities were 1869 ± 424 ind/m2 (26%) in spring, 2544 ± 383 ind/m2(36%) in summer, 1482 ± 323 ind/m2 (21%) in autumn and 1207 ± 80 ind/m2 (17%) in winter. Along the intertidal zone, the overall relative density of individuals at high, intermediate, and low topographic levels was 40, 30, and 30% respectively. Biodiversity indices were used to compare different classes: Gastropoda (Shannon index: 0.33) and Foraminifera (Simpson index: 0.28) calculated the highest scores. It was also calculated other bio-indices. With the exception of bivalves, filter feeders were associated with coarser sediments at higher intertidal levels, while deposit feeders were associated with finer sediments at lower levels. Salinity was the most important factor acting on community structure, while DO and pH had little influence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=macrobenthos" title="macrobenthos">macrobenthos</a>, <a href="https://publications.waset.org/abstracts/search?q=biodiversity" title=" biodiversity"> biodiversity</a>, <a href="https://publications.waset.org/abstracts/search?q=mangrove%20forest" title=" mangrove forest"> mangrove forest</a>, <a href="https://publications.waset.org/abstracts/search?q=Khamir%20Port" title=" Khamir Port"> Khamir Port</a> </p> <a href="https://publications.waset.org/abstracts/43387/biodiversity-indices-for-macrobenthic-community-structures-of-mangrove-forests-khamir-port-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43387.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">376</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Characteristics of Meiofaunal Communities in Intertidal Habitats Along Albanian Adriatic Sea Coast</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fundime%20Miri">Fundime Miri</a>, <a href="https://publications.waset.org/abstracts/search?q=Emanuela%20Sulaj"> Emanuela Sulaj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Benthic ecosystems constitute important ecological habitats, providing fundamental services for spawning, foraging, and sheltering aquatic organisms. Benthic faunal communities are characterized by a large biological diversity, supported by a great physical variety of benthic habitats. Until late, the study of meiobenthic communities in Albania has been neglectedthus excluding an important component of benthos. The present study aims to bring characteristics of distribution pattern of meiofaunal communities with further focus on nematode genus-based diversity from different intertidal habitats along Albanian Adriatic Sea Coast. The investigation area is extended from Shkodra to Vlora District, including six sandy sampling sites in beaches and areas near river estuaries. Sediment samples were collected manually in low intertidal zone by using a cylindrical corer, with an internal diameter of 5 cm. The richness onmeiofaunalmajor taxon level did not show any significant change between different sampling sites compare to significant changes in nematode diversity at genus level, with distinct nematode assemblages per sampling sites and presence of exclusive genera. All meiofaunal communities under study were dominated by nematodes. Further assessment of functional diversity on nematode assemblages exhibited changes as well on trophic groups and life strategies due to diverse feeding behaviors and c-p values of nematode genera. This study emphasize the need for lower level taxonomic identification of meiofaunal organisms and extending of ecological assessments on trophic diversity and life strategies to understanding functional consequences. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=benthos" title="benthos">benthos</a>, <a href="https://publications.waset.org/abstracts/search?q=meiofauna" title=" meiofauna"> meiofauna</a>, <a href="https://publications.waset.org/abstracts/search?q=nematode%20genus-based%20diversity" title=" nematode genus-based diversity"> nematode genus-based diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20diversity" title=" functional diversity"> functional diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal" title=" intertidal"> intertidal</a>, <a href="https://publications.waset.org/abstracts/search?q=albanian%20adriatic%20coast" title=" albanian adriatic coast"> albanian adriatic coast</a> </p> <a href="https://publications.waset.org/abstracts/144773/characteristics-of-meiofaunal-communities-in-intertidal-habitats-along-albanian-adriatic-sea-coast" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144773.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Heavy Metals Estimation in Coastal Areas Using Remote Sensing, Field Sampling and Classical and Robust Statistic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elena%20Castillo-L%C3%B3pez">Elena Castillo-López</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Pereda"> Raúl Pereda</a>, <a href="https://publications.waset.org/abstracts/search?q=Julio%20Manuel%20de%20Luis"> Julio Manuel de Luis</a>, <a href="https://publications.waset.org/abstracts/search?q=Rub%C3%A9n%20P%C3%A9rez"> Rubén Pérez</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20Pi%C3%B1a"> Felipe Piña</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sediments are an important source of accumulation of toxic contaminants within the aquatic environment. Bioassays are a powerful tool for the study of sediments in relation to their toxicity, but they can be expensive. This article presents a methodology to estimate the main physical property of intertidal sediments in coastal zones: heavy metals concentration. This study, which was developed in the Bay of Santander (Spain), applies classical and robust statistic to CASI-2 hyperspectral images to estimate heavy metals presence and ecotoxicity (TOC). Simultaneous fieldwork (radiometric and chemical sampling) allowed an appropriate atmospheric correction to CASI-2 images. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title="remote sensing">remote sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20sediment" title=" intertidal sediment"> intertidal sediment</a>, <a href="https://publications.waset.org/abstracts/search?q=airborne%20sensors" title=" airborne sensors"> airborne sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=eTOCoxicity" title=" eTOCoxicity"> eTOCoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=robust%20statistic" title=" robust statistic"> robust statistic</a>, <a href="https://publications.waset.org/abstracts/search?q=estimation" title=" estimation"> estimation</a> </p> <a href="https://publications.waset.org/abstracts/69080/heavy-metals-estimation-in-coastal-areas-using-remote-sensing-field-sampling-and-classical-and-robust-statistic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69080.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">422</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> NEOM Coast from Intertidal to Sabkha Systems: A Geological Overview</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Abouelresh">Mohamed Abouelresh</a>, <a href="https://publications.waset.org/abstracts/search?q=Subhajit%20Kumar"> Subhajit Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamidi%20Babalola"> Lamidi Babalola</a>, <a href="https://publications.waset.org/abstracts/search?q=Septriandi%20Chan"> Septriandi Chan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Al%20Musabeh%20A."> Ali Al Musabeh A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Thadickal%20V.%20Joydas"> Thadickal V. Joydas</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20Pulido"> Bruno Pulido</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Neom has a relatively long coastline on the Red Sea and the Gulf of Aqaba, which is about 300 kilometres long, in addition to many naturally formed bays along the Red Sea coast. Undoubtedly, these coasts provide an excellent opportunity for tourism and other activities; however, these coastal areas host a wide range of salinity-dependent ecosystems that need to be protected. The main objective of the study was to identify the coastal features, including tidal flats and salt flats, along the NEOM coast. A base map of the study area generated from the satellite images contained the main landform features and, in particular, the boundaries of the inland and coastal sabkhas. A field survey was conducted to map and characterize the intertidal and sabkha landforms. The coastal and inner coastal areas of NEOM are mainly covered by the quaternary sediments, which include gravel sheets, terraces, raised reef limestone, evaporite successions, eolian dunes, and undifferentiated sand/gravel deposits (alluvium, alluvial outwash, wind-blown sand beach). There are different landforms that characterizes the NEOM coast, including rocky coast, tidal zone, and sabkha. Sabkha area ranges between a few to tens of square kilometers. Coastal sabkha extended across the shoreline of NEOM, specifically at Gayal and Sharma areas, while the continental sabkha only existed at Gayal Town. The inland Sabkha at Gayal is mainly composed of a thin (15-25 cm) evaporite crust composed of a dark brown, cavernous, rugged, pitted, colloidal salty sand layer with salt-tolerant vegetation. The inland Sabkha is considered a groundwater-driven sedimentary system as indicated by syndepositional intra-sediment capillary evaporites, which precipitate in both marine and continental salt flats. Gayal coastal Sabkha is made up of tidal inlets, tidal creeks, and lagoons followed in a landward direction with well-developed sabkha layers. The surface sediments of the coastal Sabkha are composed of unlithified calcareous, gypsiferous, coarse to medium sands, and silt with bioclastic fragments underlain by several organic-rich layers. The coastal flat is graded landward into widespread, flat vegetated Sabkhas dissected by tributaries of the fluvial system, which debouches to the Red Sea. The coast from Gayal to Magna through Ras El-Sheikh Humaid is continuously subjected to tidal flows, which create an intertidal depositional system. The intertidal flats at NEOM are extensive, nearly horizontal land forming a very dynamic system in which several physical, chemical, geomorphological, and biological processes are acting simultaneously. The current work provides a field-based identification of the coastal sabkha and intertidal sites at NEOM. However, the mutual interaction between tidal flows and sabkha development, particularly at Gayal, needs to be well understood through comprehensive field and lab analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coast" title="coast">coast</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal" title=" intertidal"> intertidal</a>, <a href="https://publications.waset.org/abstracts/search?q=deposition" title=" deposition"> deposition</a>, <a href="https://publications.waset.org/abstracts/search?q=sabkha" title=" sabkha"> sabkha</a> </p> <a href="https://publications.waset.org/abstracts/178823/neom-coast-from-intertidal-to-sabkha-systems-a-geological-overview" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178823.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">82</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Algal Mat Shift to Marsh Domain in Sandy and Muddy Tidal Flat: Examples the Gulf of Gabes, SE Tunisia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maher%20Gzam">Maher Gzam</a>, <a href="https://publications.waset.org/abstracts/search?q=Noureddine%20Elmejdoub"> Noureddine Elmejdoub</a>, <a href="https://publications.waset.org/abstracts/search?q=Younes%20Jedoui"> Younes Jedoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Physical parameters involved in the depositional process on stromatolites, which grow in salt marsh domain, are elucidated in this study. Stromatolites start to grow where surface altimetry of the intertidal flat is high enough to reduce water cover (above mean high tide) and to guarantee a lamellar stream flow. Stromatolite aggrades as a thick laminated layer (stromatolite package) allowing pioneer vascular plants (Salicornia Arabica) to colonize this elevated area (6 cm a.m.s.l). In turn halophytic plant, regularly flooded on spring tide, reduce hydrodynamics velocities causing deposition of sediment, as a result, intertidal zone shift on the flat surface with an expanded marsh domain. This positive feedback invokes self organization between stromatolite growth, vegetation proliferation and deposition of sediment and may be applicable to ancient progradational sequence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stromatolites" title="stromatolites">stromatolites</a>, <a href="https://publications.waset.org/abstracts/search?q=marsh" title=" marsh"> marsh</a>, <a href="https://publications.waset.org/abstracts/search?q=deposition%20of%20sediment" title=" deposition of sediment"> deposition of sediment</a>, <a href="https://publications.waset.org/abstracts/search?q=aggradation" title=" aggradation"> aggradation</a>, <a href="https://publications.waset.org/abstracts/search?q=progradation" title=" progradation"> progradation</a>, <a href="https://publications.waset.org/abstracts/search?q=gulf%20of%20Gabes" title=" gulf of Gabes"> gulf of Gabes</a>, <a href="https://publications.waset.org/abstracts/search?q=Tunisia" title=" Tunisia"> Tunisia</a> </p> <a href="https://publications.waset.org/abstracts/37199/algal-mat-shift-to-marsh-domain-in-sandy-and-muddy-tidal-flat-examples-the-gulf-of-gabes-se-tunisia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37199.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">335</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Microbial and Meiofaunal Dynamics in the Intertidal Sediments of the Northern Red Sea </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamed%20A.%20El-Serehy">Hamed A. El-Serehy</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20A.%20Al-Rasheid"> Khaled A. Al-Rasheid</a>, <a href="https://publications.waset.org/abstracts/search?q=Fahad%20A%20Al-Misned"> Fahad A Al-Misned</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The meiofaunal population fluctuation, microbial dynamic and the composition of the sedimentary organic matter were investigated seasonally in the Egyptian shores along the northern part of Red Sea. Total meiofaunal population densities were extremely low with an annual average of 109 ±26 ind./10 cm2 and largely dominated by nematodes (on annual average from 52% to 94% of total meiofaunal density). The benthic microbial population densities ranged from 0.26±0.02 x 108 to 102.67±18.62 x 108/g dry sediment. Total sedimentary organic matter concentrations varied between 5.8 and 11.6 mg/g and the organic carbon, which was measured as summation of the carbohydrates, proteins and lipids, accounted for only a small fraction of being 32 % of the total organic matter. Chlorophyll a attained very low values and fluctuated between 2 and 11 µg/g. The very low chlorophyll a concentration in the Egyptian coasts along the Red Sea can suggest that the sedimentary organic matter along the Egyptian coasts is dominated by organic detrital and heterotrophic bacteria on one hand, and do not promote carbon transfer towards the higher trophic level on the other hand. However, the present study indicates that the existing of well diversified meiofaunal group, with a total of ten meiofaunal taxa, can serve as food for higher trophic levels in the Red Sea marine ecosystem. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacteria" title="bacteria">bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=meiofauna" title=" meiofauna"> meiofauna</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20sediments" title=" intertidal sediments"> intertidal sediments</a>, <a href="https://publications.waset.org/abstracts/search?q=Red%20Sea" title=" Red Sea"> Red Sea</a> </p> <a href="https://publications.waset.org/abstracts/28432/microbial-and-meiofaunal-dynamics-in-the-intertidal-sediments-of-the-northern-red-sea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28432.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">424</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Bacterial Diversity and Antibiotic Resistance in Coastal Sediments of Izmir Bay, Aegean Sea</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ilknur%20Tuncer">Ilknur Tuncer</a>, <a href="https://publications.waset.org/abstracts/search?q=Nihayet%20Bizsel"> Nihayet Bizsel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The scarcity of research in bacterial diversity and antimicrobial resistance in coastal environments as in Turkish coasts leads to difficulties in developing efficient monitoring and management programs. In the present study, biogeochemical analysis of sediments and antimicrobial susceptibility analysis of bacteria in Izmir Bay, eastern Aegean Sea under high anthropogenic pressure were aimed in summer period when anthropogenic input was maximum and at intertidal zone where the first terrigenious contact occurred for aquatic environment. Geochemical content of the intertidal zone of Izmir Bay was firstly illustrated such that total and organic carbon, nitrogen and phosphorus contents were high and the grain size distribution varied as sand and gravel. Bacterial diversity and antibiotic resistance were also firstly given for Izmir Bay. Antimicrobially assayed isolates underlined the multiple resistance in the inner, middle and outer bays with overall 19% high MAR (multiple antibiotic resistance) index. Phylogenetic analysis of 16S rRNA gene sequences indicated that 67 % of isolates belonged to the genus Bacillus and the rest included the families Alteromonadaceae, Bacillaceae, Exiguobacteriaceae, Halomonadaceae, Planococcaceae, and Staphylococcaceae. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacterial%20phylogeny" title="bacterial phylogeny">bacterial phylogeny</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20antibiotic%20resistance" title=" multiple antibiotic resistance"> multiple antibiotic resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=16S%20rRNA%20genes" title=" 16S rRNA genes"> 16S rRNA genes</a>, <a href="https://publications.waset.org/abstracts/search?q=Izmir%20Bay" title=" Izmir Bay"> Izmir Bay</a>, <a href="https://publications.waset.org/abstracts/search?q=Aegean%20Sea" title=" Aegean Sea"> Aegean Sea</a> </p> <a href="https://publications.waset.org/abstracts/8995/bacterial-diversity-and-antibiotic-resistance-in-coastal-sediments-of-izmir-bay-aegean-sea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8995.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">473</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Hatching Rhythm, Larval Release of the Rocky Intertidal Crab Leptoduis exaratus (Brachyura: Xanthidae) in Kuwait, Arabian Gulf</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zainab%20Al-Wazzan">Zainab Al-Wazzan</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20Gimenez"> Luis Gimenez</a>, <a href="https://publications.waset.org/abstracts/search?q=Lewis%20Le%20Vay"> Lewis Le Vay</a>, <a href="https://publications.waset.org/abstracts/search?q=Manaf%20Behbehani"> Manaf Behbehani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The hatching rhythm and larval release patterns of the rocky shore crab Leptoduis exaratus was investigated in relation to the tidal cycle, the time of the day, and lunar cycle. Ovigerous females were collected from rocky shores at six sites along the Kuwait coastline between April and July of 2014. The females were kept separated in aquaria under a natural photoperiod cycle and the pattern of larval release was monitored in relation to local tidal and dial cycles. Larval release occurred mostly during the night time, and was highly synchronized with neap tides that followed full moon; at the end of the hatching period, significant larval release occurred also during spring tides. Time series analysis showed a highly significant autocorrelation and the periodicity at a peak of 14-15 days. The cross-correlation analysis between hatching and the daily low tide level suggests that larvae are released about a day before neap tide. Hatching during neap tides occurred early in the night at times of the expected ebb tide. During spring tide period (late in the season), larval release occurred later during night at tides of the ebb tide. The results of this study indicated a strong relationship between the tidal cycle, time of the day and the hatching rhythm of L. exaratus. In addition, the results suggest that water level in the intertidal zone is also playing a very important role in determining the time of the hatching. Hatching and larval release synchronize with the preferred larval environmental conditions to prevent exposing larvae to physiological or environmental stress during their early larval stages. It is also an important factor in determining the larval dispersal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=brachyura" title="brachyura">brachyura</a>, <a href="https://publications.waset.org/abstracts/search?q=hatching%20rhythm" title=" hatching rhythm"> hatching rhythm</a>, <a href="https://publications.waset.org/abstracts/search?q=larvae" title=" larvae"> larvae</a>, <a href="https://publications.waset.org/abstracts/search?q=Kuwait" title=" Kuwait "> Kuwait </a> </p> <a href="https://publications.waset.org/abstracts/18969/hatching-rhythm-larval-release-of-the-rocky-intertidal-crab-leptoduis-exaratus-brachyura-xanthidae-in-kuwait-arabian-gulf" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18969.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">678</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Facies Analysis and Depositional Environment of Late Cretaceous (Cenomanian) Lidam Formation, South East Sirt Basin, Libya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miloud%20M.%20Abugares">Miloud M. Abugares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study concentrates on the facies analysis, cyclicity and depositional environment of the Upper Cretaceous (Cenomanian) carbonate ramp deposits of the Lidam Formation. Core description, petrographic analysis data from five wells in Hamid and 3V areas in the SE Sirt Basin, Libya were studied in detail. The Lidam Formation is one of the main oil producing carbonate reservoirs in Southeast Sirt Basin and this study represents one of the key detailed studies of this Formation. In this study, ten main facies have been identified. These facies are; Chicken-Wire Anhydrite Facies, Fine Replacive Dolomite Facies, Bioclastic Sandstone Facies, Laminated Shale Facies, Stromatolitic Laminated Mudstone Facies, Ostracod Bioturbated Wackestone Facies, Bioturbated Mollusc Packstone Facies, Foraminifera Bioclastic Packstone/Grainstone Facies Peloidal Ooidal Packstone/Grainstone Facies and Squamariacean/Coralline Algae Bindstone Facies. These deposits are inferred to have formed in supratidal sabkha, intertidal, semi-open restricted shallow lagoon and higher energy shallow shoal environments. The overall depositional setting is interpreted as have been deposited in inner carbonate ramp deposits. The best reservoir quality is encountered in Peloidal- Ooidal Packstone/Grainstone facies, these facies represents storm - dominated shoal to back shoal deposits and constitute the inner part of carbonate ramp deposits. The succession shows a conspicuous hierarchical cyclicity. Porous shoal and backshoal deposits form during maximum transgression system and early regression hemi-cycle of the Lidam Fm. However; oil producing from shoal and backshoal deposits which only occur in the upper intervals 15 - 20 feet, which forms the large scale transgressive cycle of the Upper Lidam Formation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lidam%20Fm.%20Sirt%20Basin" title="Lidam Fm. Sirt Basin">Lidam Fm. Sirt Basin</a>, <a href="https://publications.waset.org/abstracts/search?q=Wackestone%20Facies" title=" Wackestone Facies"> Wackestone Facies</a>, <a href="https://publications.waset.org/abstracts/search?q=petrographic" title=" petrographic"> petrographic</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal" title=" intertidal"> intertidal</a> </p> <a href="https://publications.waset.org/abstracts/18247/facies-analysis-and-depositional-environment-of-late-cretaceous-cenomanian-lidam-formation-south-east-sirt-basin-libya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18247.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">516</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> Assessing the Impact of Heatwaves on Intertidal Mudflat Colonized by an Exotic Mussel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marie%20Fouet">Marie Fouet</a>, <a href="https://publications.waset.org/abstracts/search?q=Olivier%20Maire"> Olivier Maire</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9cile%20Masse"> Cécile Masse</a>, <a href="https://publications.waset.org/abstracts/search?q=Hugues%20Blanchet"> Hugues Blanchet</a>, <a href="https://publications.waset.org/abstracts/search?q=Salom%C3%A9%20Coignard"> Salomé Coignard</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Lavesque"> Nicolas Lavesque</a>, <a href="https://publications.waset.org/abstracts/search?q=Guillaume%20Bernard"> Guillaume Bernard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Exacerbated by global change, extreme climatic events such as atmospheric and marine heat waves may interact with the spread of non-indigenous species and their associated impacts on marine ecosystems. Since the 1970’s, the introduction of non-indigenous species due to oyster exchanges has been numerous. Among them, the Asian date mussel Arcuatula senhousia has colonized a large number of ecosystems worldwide (e.g., California, New Zealand, Italy). In these places, A.senhousia led to important habitat modifications in the benthic compartment through physical, biological, and biogeochemical effects associated with the development of dense mussel populations. In Arcachon Bay (France), a coastal lagoon of the French Atlantic and hotspot of oyster farming, abundances of A. senhousia recently increased, following a lag time of ca. 20 years since the first record of the species in 2002. Here, we addressed the potential effects of the interaction between A. senhousia invasion and heatwave intensity on ecosystem functioning within an intertidal mudflat. More precisely, two realistic intensities (“High” and “Severe”) of combined marine and atmospheric heatwaves have been simulated in an experimental tidal mesocosm system onto which naturally varying densities of A. senhousia and associated benthic communities were exposed in sediment cores collected in situ. Following a six-day exposure, community-scale responses were assessed by measuring benthic metabolism (oxygen and nutrient fluxes) in each core. Results show that besides significantly enhanced benthic metabolism with increasing heatwave intensity, mussel density clearly mediated the magnitude of the community-scale response, thereby highlighting the importance of understanding the interactive effects of environmental stressors co-occurring with non-indigenous species and their dependencies for a better assessment of their impacts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arcuatula%20senhousia" title="arcuatula senhousia">arcuatula senhousia</a>, <a href="https://publications.waset.org/abstracts/search?q=benthic%20habitat" title=" benthic habitat"> benthic habitat</a>, <a href="https://publications.waset.org/abstracts/search?q=ecosystem%20functioning" title=" ecosystem functioning"> ecosystem functioning</a>, <a href="https://publications.waset.org/abstracts/search?q=heatwaves" title=" heatwaves"> heatwaves</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolism" title=" metabolism"> metabolism</a> </p> <a href="https://publications.waset.org/abstracts/179139/assessing-the-impact-of-heatwaves-on-intertidal-mudflat-colonized-by-an-exotic-mussel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179139.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">68</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Microfacies Analysis and Paleoenvironmental Trends of the Paleocene Farrud and Mabruk Reservoirs, Concession 11, West Sirte Basin, Libya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nisreen%20Agha">Nisreen Agha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Investigation of representative core samples under the petrological microscope reveals common petrographic and mineralogical characteristics with distinct faunal assemblages, allowing establishing of the microfacies associations and deducing the paleoenvironmental trends of the Paleocene Farrud and Mabruk rock units. Recognition of the early and post-diagenetic processes, particularly dolomitization and micritization, as well as dissolution and precipitation of spary drusy calcite as a new morphism process affecting the reservoir rocks, is established. The microfacies trends detected from the investigation of 46 core samples from Farrud member (Lower Paleocene) representing six wells; QQQ1-11, GG1-11, LLL1-11, RRR1-11, RRR40-11, and RRR45-11 indicate that the deposition was started within the realm of shallow supratidal and intertidal subenvironments followed by deeper environments of the shelf bays with maximum sea level during inner shelf environment where fossiliferous bioclastic packstone dominated. The microfacies associations determined in 8 core samples from two wells LLL1and RRR40 representing Mabruk Member (Upper Paleocene), indicate paleoenvironmental trends marked by sea level fluctuations accompanied with a relatively marine shelf bay conditions intervened with short-lived shallow intertidal and supratidal warm coastal sedimentation. As a result, dolostone, evaporitic dismicrites, and gypsiferous dolostone of supratidal characters were deposited. They reflect rapid oscillation of the sea level marked by drop land-ward shift of the sea shore deposition prevailed by supratidal gypsiferous dolostone and numerous ferruginous materials as clouds straining many parts of dolomite and surrounded the micritized fossils. This situation ends the deposition of the Farrud Member in most of the studied wells. On the other hand, the facies in the northern part of the Concession -11 field indicates deposition in a deeper marine setting than in the southern facies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farrud%20and%20Mabruk%20members" title="Farrud and Mabruk members">Farrud and Mabruk members</a>, <a href="https://publications.waset.org/abstracts/search?q=paleocene" title=" paleocene"> paleocene</a>, <a href="https://publications.waset.org/abstracts/search?q=microfacies%20associations" title=" microfacies associations"> microfacies associations</a>, <a href="https://publications.waset.org/abstracts/search?q=diagenesis" title=" diagenesis"> diagenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=sea%20level%20oscillation" title=" sea level oscillation"> sea level oscillation</a>, <a href="https://publications.waset.org/abstracts/search?q=depositional%20environments" title=" depositional environments"> depositional environments</a> </p> <a href="https://publications.waset.org/abstracts/154853/microfacies-analysis-and-paleoenvironmental-trends-of-the-paleocene-farrud-and-mabruk-reservoirs-concession-11-west-sirte-basin-libya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154853.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">77</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> Levels of Plastic Waste and Fish Landed By Beach Seine Fishers in Coastal Ghana</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Francis%20Gbogbo">Francis Gbogbo</a>, <a href="https://publications.waset.org/abstracts/search?q=Angelica%20Ama%20Essandoh"> Angelica Ama Essandoh</a>, <a href="https://publications.waset.org/abstracts/search?q=Wendy%20Teresa%20Baffoe"> Wendy Teresa Baffoe</a>, <a href="https://publications.waset.org/abstracts/search?q=Henry%20Groos"> Henry Groos</a>, <a href="https://publications.waset.org/abstracts/search?q=Charles%20Mario%20Boateng"> Charles Mario Boateng</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Robert%20Blankson"> Emmanuel Robert Blankson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Baseline data on plastic landing by fishers and monitoring of this is important in evaluating the success of plastic waste management efforts. This study investigated plastic and fish landed by beach seine fishers in Ghana, together with the rate of plastic deposition on an adjoining beach. Plastic constituted 31.6% of the total catch, and 41.7% of the fish landed by weight. There were significant differences between the average weight of fish (139.58±53.6kg) and plastic (65.73±14.6kg) landed per fishing session and the catch per unit effort of fish (183.4±76.7 kg/day) and plastic (88.4±35.2 kg/day). The mean weight of plastic landed per fishing session was higher than the mean weight of each of the 26 species of fisheries. The rate of plastic deposition on the beach was 8.1±2.5 plastic items per m2 per tidal cycle or 0.35±0.11kg plastic per m2 per tidal cycle, with food packs and tableware dominating the deposited plastic. The results suggested that ongoing water sachets and plastic bottle recycling in Ghana are yielding results and calls for targeted efforts in plastic food packs and tableware management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fishig" title="fishig">fishig</a>, <a href="https://publications.waset.org/abstracts/search?q=landing" title=" landing"> landing</a>, <a href="https://publications.waset.org/abstracts/search?q=plastic%20waste" title=" plastic waste"> plastic waste</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20area" title=" intertidal area"> intertidal area</a>, <a href="https://publications.waset.org/abstracts/search?q=fishing%20effort" title=" fishing effort"> fishing effort</a> </p> <a href="https://publications.waset.org/abstracts/181875/levels-of-plastic-waste-and-fish-landed-by-beach-seine-fishers-in-coastal-ghana" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181875.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">91</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Effect of Planting Techniques on Mangrove Seedling Establishment in Kuwait Bay</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20Al-Mulla">L. Al-Mulla</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20M.%20Thomas"> B. M. Thomas</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20R.%20Bhat"> N. R. Bhat</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20K.%20Suleiman"> M. K. Suleiman</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20George"> P. George</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mangroves are halophytic shrubs habituated in the intertidal zones in the tropics and subtropics, forming a complex and highly dynamic coastal ecosystem. Historical evidence indicating the existence followed by the extinction of mangrove in Kuwait; hence, continuous projects have been established to reintroduce this plant to the marine ecosystem. One of the major challenges in establishing large-scale mangrove plantations in Kuwait is the very high rate of seedling mortality, which should ideally be less than 20%. This study was conducted at three selected locations in the Kuwait bay during 2016-2017, to evaluate the effect of four planting techniques on mangrove seedling establishment. Coir-pillow planting technique, comp-mat planting technique, and anchored container planting technique were compared with the conventional planting method. The study revealed that the planting techniques significantly affected the establishment of mangrove seedlings in the initial stages of growth. Location-specific difference in seedling establishment was also observed during the course of the study. However, irrespective of the planting techniques employed, high seedling mortality was observed in all the planting locations towards the end of the study; which may be attributed to the physicochemical characteristics of the mudflats selected. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Avicennia%20marina%20%28Forsk.%29%20Vierh" title="Avicennia marina (Forsk.) Vierh">Avicennia marina (Forsk.) Vierh</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20pollution" title=" coastal pollution"> coastal pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metal%20accumulation" title=" heavy metal accumulation"> heavy metal accumulation</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20ecosystem" title=" marine ecosystem"> marine ecosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=sedimentation" title=" sedimentation"> sedimentation</a>, <a href="https://publications.waset.org/abstracts/search?q=tidal%20inundation" title=" tidal inundation"> tidal inundation</a> </p> <a href="https://publications.waset.org/abstracts/98740/effect-of-planting-techniques-on-mangrove-seedling-establishment-in-kuwait-bay" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98740.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">152</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Effects of UV-B Radiation on the Growth of Ulva Pertusa Kjellman Seedling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=HengJiang%20Cai">HengJiang Cai</a>, <a href="https://publications.waset.org/abstracts/search?q=RuiJin%20Zhang"> RuiJin Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=JinSong%20Gui"> JinSong Gui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Enhanced UV-B (280-320nm) radiation resulting from ozone depletion was one of the global environmental problems. The effects of enhanced UV-B radiation on marine macro-algae were exposed to be the greatest in shallow intertidal environments because the macro-alga was often at or above the water during low tide. Ulva pertusa Kjellman was belonged to Chlorophyta (Phylum), Ulvales (Order), Ulvaceae (Family) which was widely distributed in the western Pacific coast, and the resources were extremely rich in China. Therefore, the effects of UV-B radiation on the growth of Ulva pertusa seedling were studied in this research. Ulva pertusa seedling appearances were mainly characterized by rod shapes and tadpole shapes. The percentage of rod shapes was 90.68%±2.50%. UV-B radiation could inhibit the growth of Ulva pertusa seedling, and the growth inhibition was more significant with the increased doses of UV-B radiation treatment. The relative inhibition rates of Ulva pertusa seedling length were16.11%, 24.98%and 39.04% respectively on the 30th day at different doses (30.96, 61.92 and 123.84 Jm-2d-1) of UV-B radiation. Ulva pertusa seedling had emerged death under UV-B radiation, and the death rates were increased with the increased doses of UV-B radiation treatment. Physiology and biochemistry of Ulva pertusa seedling could be affected by UV-B radiation treatment. The SOD (superoxide dismutase) activity was increased at low-dose UV-B radiation (30.96 Jm-2d-1), while was decreased at high-dose UV-B radiation (61.92 and 123.84 Jm-2d-1). UV-B radiation could inhibit CAT (catalase) activity all the while. It speculated that the reasons for growth inhibition and death of Ulva pertusa seedling were excess ROS (reactive oxygen species), which produced by UV-B radiation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=growth" title="growth">growth</a>, <a href="https://publications.waset.org/abstracts/search?q=physiology%20and%20biochemistry" title=" physiology and biochemistry"> physiology and biochemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=Ulva%20pertusa%20Kjellman" title=" Ulva pertusa Kjellman"> Ulva pertusa Kjellman</a>, <a href="https://publications.waset.org/abstracts/search?q=UV-B%20radiation" title=" UV-B radiation"> UV-B radiation</a> </p> <a href="https://publications.waset.org/abstracts/47332/effects-of-uv-b-radiation-on-the-growth-of-ulva-pertusa-kjellman-seedling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47332.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">281</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Preliminary Study of Sponge Spicule to Understand Paleobathymetry, Sentolo Formation, Kulon Progo, Daerah Istimewa Yogyakarta</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akmaluddin">Akmaluddin</a>, <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Agus%20Patria"> Aulia Agus Patria</a>, <a href="https://publications.waset.org/abstracts/search?q=Adniwan%20Shubhi%20Banuzaki"> Adniwan Shubhi Banuzaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucia%20Hardiana%20Kurnia%20Pratiwi"> Lucia Hardiana Kurnia Pratiwi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The phylum Porifera, commonly known as sponges, is a group of primitive animals living since Paleozoic-recent, currently have over 8300 described species, where the majority lives in the marine environment and sessile or in situ. Sponge spicule is one part of the body that secreted by sponge; this spicule can be well preserved because it composed of silicate material. Sponge spicule was identified based on morphological form, which was classified into two main classes, Megasclere and Microsclere. Any form of spicule morphology will indicate a particular sponge species, and it also related to the sponge living environment. Therefore, understanding the paleobathymetry using spicules can be done and more detailed because of sponge living in situ. The methods used in this paper are stratigraphic measurement, continuous sampling, and sieve preparation to dissolve calcareous and siliciclastics materials. Then, each spicule was picked by picking method for every 100 grams of each sample and identified the morphological form to determine the order and abundance of spicule. 10 samples have analyzed, 1489 spicules were identified, there were two classes of Porifera, Demospongiae, and Hexactinellida. Five orders of Porifera also identified in the research area, Haplosclerida, Hadromerida, Agelasida, Lithistids, and Lyssacinosida. The results from descriptive analysis and spicule abundance can be understood that the paleobathymetry of research area was in intertidal zone. Furthermore, the variation and abundance of sponge spicule can be used to understand the paleobathymetry and depositional environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=paleobathymetry" title="paleobathymetry">paleobathymetry</a>, <a href="https://publications.waset.org/abstracts/search?q=Sentolo%20formation" title=" Sentolo formation"> Sentolo formation</a>, <a href="https://publications.waset.org/abstracts/search?q=sponge" title=" sponge"> sponge</a>, <a href="https://publications.waset.org/abstracts/search?q=spicule" title=" spicule"> spicule</a> </p> <a href="https://publications.waset.org/abstracts/87755/preliminary-study-of-sponge-spicule-to-understand-paleobathymetry-sentolo-formation-kulon-progo-daerah-istimewa-yogyakarta" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87755.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Revitalizing Coastal Ecosystems: Evaluating the Costs and Benefits of Restoring Clam Gardens for Indigenous Communities in British Columbia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Chen">Daniel Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Chengyi%20Li"> Chengyi Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Naifu%20Xu"> Naifu Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Shangxuan%20Yang"> Shangxuan Yang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Climate change has led to substantial changes in coastal ecosystems, including elevated ocean temperatures, increased acidity, and disrupted marine habitats. These environmental impacts have also resulted in the decline of traditional Indigenous food sources on the coast of British Columbia, including clams and salmon, which have been essential to the diet and cultural practices of the coastal Indigenous communities. This research evaluates and analyzes the costs and benefits of restoring and building clam gardens, an ancestral Indigenous mariculture technique in the Pacific Northwest. Clam gardens, which involve the construction of intertidal rock walls to enhance clam production, have been shown to more than triple clam yields compared to non-walled beaches. This research analyzes the costs and benefits to Indigenous individuals, including factors such as travel, equipment, time, food supply, and cultural engagement; then it discusses the potential of clam gardens as a significant food resource with additional environmental co-benefits, given the prevalence of clam gardens and coastlines in British Columbia. Moreover, the study concludes with policy recommendations to support the restoration and preservation of clam gardens, highlighting their potential to provide sustainable seafood production, environmental co-benefits, and social-environmental educational opportunities for Indigenous communities and the wider public. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=British%20Columbia%20coastline" title="British Columbia coastline">British Columbia coastline</a>, <a href="https://publications.waset.org/abstracts/search?q=clam%20garden" title=" clam garden"> clam garden</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20resource%20management" title=" coastal resource management"> coastal resource management</a>, <a href="https://publications.waset.org/abstracts/search?q=Indigenous%20communities" title=" Indigenous communities"> Indigenous communities</a> </p> <a href="https://publications.waset.org/abstracts/191438/revitalizing-coastal-ecosystems-evaluating-the-costs-and-benefits-of-restoring-clam-gardens-for-indigenous-communities-in-british-columbia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/191438.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">21</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Socioeconomic Impact of Marine Invertebrates Collection on Chuiba and Maringanha Beaches</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Siran%20Offman">Siran Offman</a>, <a href="https://publications.waset.org/abstracts/search?q=Hermes%20Pacule"> Hermes Pacule</a>, <a href="https://publications.waset.org/abstracts/search?q=Teofilo%20Nhamuhuco"> Teofilo Nhamuhuco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marine invertebrates are very important for the livelihood of coastal communities, particularly in Pemba City. The study was conducted From June 2011 to March 2012. The aim of this study is to determine the socioeconomic impact of collecting marine invertebrates in communities and Chuiba Maringanha. Data were collected biweekly during the spring tide ebb in the intertidal zone, and through structured surveys, the confrontation of data was done through direct observation in the neighborhoods. In total 40 collectors was surveyed and it was found that activity of collecting marine invertebrates is practiced by women 57.2% and men 42.5%. Their ages ranged from 9 to 45 years, and the range was 25-32 dominant with 30.5% and collection practice 5-7 times per week they spend about 4-6 hours a day. The collection methods are direct harvesting by hand aided by knives, sharp irons, and transport use pots, buckets, basins, shawls. Were identified in total 8 marketable species namely: Octopus vulgaris 8.6 Kg, Cyprea Tigers 7 units, Cypraea annulus 48 kg, 40 kg holuturias, Cyprea bully, Atrina vexilium 10 kg, Modiulus philiphinarum and lambis lambis. The species with the greatest economic value are sea cucumber (3 Usd/ kg) and Octopus vulgaris ( 2.5 Usd/ kg) more commercialized. The socio-economic impacts on communities of collectors the average income of collectors varies from 0.5 to 5 Usd/ day and the money are intended to purchase food and agricultural instruments. The other socioeconomics impacts are illiteracy with 36% dropout, and 28% have never studied 87% of unemployed collectors, a high number of family members, weak economic power, poor housing made the basis of local materials and relies on community wells to access water, and most do not have electric power. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=socio-economic" title="socio-economic">socio-economic</a>, <a href="https://publications.waset.org/abstracts/search?q=impacts" title=" impacts"> impacts</a>, <a href="https://publications.waset.org/abstracts/search?q=collecting%20marine%20invertebrates" title=" collecting marine invertebrates"> collecting marine invertebrates</a>, <a href="https://publications.waset.org/abstracts/search?q=communities" title=" communities"> communities</a> </p> <a href="https://publications.waset.org/abstracts/64693/socioeconomic-impact-of-marine-invertebrates-collection-on-chuiba-and-maringanha-beaches" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64693.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">320</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> Impact of Marine Hydrodynamics and Coastal Morphology on Changes in Mangrove Forests (Case Study: West of Strait of Hormuz, Iran)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Parhizkar">Fatemeh Parhizkar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mojtaba%20Yamani"> Mojtaba Yamani</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdolla%20Behboodi"> Abdolla Behboodi</a>, <a href="https://publications.waset.org/abstracts/search?q=Masoomeh%20Hashemi"> Masoomeh Hashemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The mangrove forests are natural and valuable gifts that exist in some parts of the world, including Iran. Regarding the threats faced by these forests and the declining area of them all over the world, as well as in Iran, it is very necessary to manage and monitor them. The current study aimed to investigate the changes in mangrove forests and the relationship between these changes and the marine hydrodynamics and coastal morphology in the area between qeshm island and the west coast of the Hormozgan province (i.e. the coastline between Mehran river and Bandar-e Pol port) in the 49-year period. After preprocessing and classifying satellite images using the SVM, MLC, and ANN classifiers and evaluating the accuracy of the maps, the SVM approach with the highest accuracy (the Kappa coefficient of 0.97 and overall accuracy of 98) was selected for preparing the classification map of all images. The results indicate that from 1972 to 1987, the area of these forests have had experienced a declining trend, and in the next years, their expansion was initiated. These forests include the mangrove forests of Khurkhuran wetland, Muriz Deraz Estuary, Haft Baram Estuary, the mangrove forest in the south of the Laft Port, and the mangrove forests between the Tabl Pier, Maleki Village, and Gevarzin Village. The marine hydrodynamic and geomorphological characteristics of the region, such as average intertidal zone, sediment data, the freshwater inlet of Mehran river, wave stability and calmness, topography and slope, as well as mangrove conservation projects make the further expansion of mangrove forests in this area possible. By providing significant and up-to-date information on the development and decline of mangrove forests in different parts of the coast, this study can significantly contribute to taking measures for the conservation and restoration of mangrove forests. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mangrove%20forests" title="mangrove forests">mangrove forests</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20hydrodynamics" title=" marine hydrodynamics"> marine hydrodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20morphology" title=" coastal morphology"> coastal morphology</a>, <a href="https://publications.waset.org/abstracts/search?q=west%20of%20strait%20of%20Hormuz" title=" west of strait of Hormuz"> west of strait of Hormuz</a>, <a href="https://publications.waset.org/abstracts/search?q=Iran" title=" Iran"> Iran</a> </p> <a href="https://publications.waset.org/abstracts/148851/impact-of-marine-hydrodynamics-and-coastal-morphology-on-changes-in-mangrove-forests-case-study-west-of-strait-of-hormuz-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148851.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">95</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> Comparison of Tidalites in Siliciclastics and Mixed Siliciclastic Carbonate Systems: An Outstanding Example from Proterozoic Simla Basin, Western Lesser Himalaya, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tithi%20Banerjee">Tithi Banerjee</a>, <a href="https://publications.waset.org/abstracts/search?q=Ananya%20Mukhopadhyay"> Ananya Mukhopadhyay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The comparison of ancient tidalites recorded in both siliciclastics and carbonates has not been well documented due to a lack of suitable outcropping examples. The Proterozoic Simla Basin, Lesser Himalaya serves a unique example in this regard. An attempt has been made in the present work to differentiate sedimentary facies and architectural elements of tidalites in both siliciclastics and carbonates recorded in the Simla Basin. Lithofacies and microfacies analysis led to identification of 11 lithofacies and 4 architectural elements from the siliciclastics, 6 lithofacies and 3 architectural elements from the carbonates. The most diagnostic features for comparison of the two tidalite systems are sedimentary structures, textures, and architectural elements. The physical features such as flaser-lnticular bedding, mud/silt couplets, tidal rhythmites, tidal bundles, cross stratified successions, tidal bars, tidal channels, microbial structures are common to both the environments. The architecture of these tidalites attests to sedimentation in shallow subtidal to intertidal flat facies, affected by intermittent reworking by open marine waves/storms. The seventeen facies attributes were categorized into two major facies belts (FA1 and FA2). FA1 delineated from the lower part of the Chhaosa Formation (middle part of the Simla Basin) represents a prograding muddy pro-delta deposit whereas FA2 delineated from the upper part of the Basantpur Formation (lower part of the Simla Basin) bears the signature of an inner-mid carbonate ramp deposit. Facies distribution indicates development of highstand systems tract (HST) during sea level still stand related to normal regression. The aggradational to progradational bedsets record the history of slow rise in sea level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=proterozoic" title="proterozoic">proterozoic</a>, <a href="https://publications.waset.org/abstracts/search?q=Simla%20Basin" title=" Simla Basin"> Simla Basin</a>, <a href="https://publications.waset.org/abstracts/search?q=tidalites" title=" tidalites"> tidalites</a>, <a href="https://publications.waset.org/abstracts/search?q=inner-mid%20carbonate%20ramp" title=" inner-mid carbonate ramp"> inner-mid carbonate ramp</a>, <a href="https://publications.waset.org/abstracts/search?q=prodelta" title=" prodelta"> prodelta</a>, <a href="https://publications.waset.org/abstracts/search?q=TST" title=" TST"> TST</a>, <a href="https://publications.waset.org/abstracts/search?q=HST" title=" HST"> HST</a> </p> <a href="https://publications.waset.org/abstracts/57275/comparison-of-tidalites-in-siliciclastics-and-mixed-siliciclastic-carbonate-systems-an-outstanding-example-from-proterozoic-simla-basin-western-lesser-himalaya-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57275.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">233</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Investigation on Microfacies and Electrofacies of Upper Dalan and Kangan Formations in One of Costal Fars Gas Fields</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Babak%20Rezaei">Babak Rezaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Zargar%20Shoushtari"> Arash Zargar Shoushtari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Kangan anticline is located in the Coastal Fars area, southwest of Nar and west of west Assaluyeh anticlines and north of Kangan harbor in Boushehr province. The Kangan anticline is nearly asymmetric and with 55Km long and 6Km wide base on structural map of Kangan Formation. The youngest and the oldest Formations on surface are Bakhtiyari (Pliocene) and Sarvak (Cenomanian) respectively. The highest dip angles of 30 and 40 degree were observed in north and south flanks of Kangan anticline respectively and two reverse faults cut these flanks parallel to structure strike. Existence of sweet gas in Kangan Fm. and Upper Dalan in this structure is confirmed with probable Silurian shales origin. Main facies belts in these formations include super tidal and intertidal flat, lagoon, oolitic-bioclastic shoals and open marine sub environments that expand in a homoclinal and shallow water carbonate ramp under the arid climates. Digenetic processes studies, indicates the influence of all digenetic environments (marine, meteoric, burial) in the reservoir succession. These processes sometimes has led to reservoir quality improvement (such as dolomitization and dissolution) but in many instances reservoir units has been destroyed (such as compaction, anhydrite and calcite cementation). In this study, petrophysical evaluation is made in Kangan and upper Dalan formations by using well log data of five selected wells. Probabilistic method is used for petrophysical evaluation by applying appropriate soft wares. According to this evaluation the lithology of Kangan and upper Dalan Formations mainly consist of limestone and dolomite with thin beds of Shale and evaporates. In these formations 11 Zones with different reservoir characteristic have been identified. Based on wire line data analyses, in some part of these formations, high porosity can be observed. The range of porosity (PHIE) and water saturation (Sw) are estimated around 10-20% and 20-30%, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microfacies" title="microfacies">microfacies</a>, <a href="https://publications.waset.org/abstracts/search?q=electrofacies" title=" electrofacies"> electrofacies</a>, <a href="https://publications.waset.org/abstracts/search?q=petrophysics" title=" petrophysics"> petrophysics</a>, <a href="https://publications.waset.org/abstracts/search?q=diagenese" title=" diagenese"> diagenese</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20fields" title=" gas fields"> gas fields</a> </p> <a href="https://publications.waset.org/abstracts/15626/investigation-on-microfacies-and-electrofacies-of-upper-dalan-and-kangan-formations-in-one-of-costal-fars-gas-fields" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15626.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">358</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Spatial Mapping and Change Detection of a Coastal Woodland Mangrove Habitat in Fiji</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashneel%20Ajay%20Singh">Ashneel Ajay Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Anish%20Maharaj"> Anish Maharaj</a>, <a href="https://publications.waset.org/abstracts/search?q=Havish%20Naidu"> Havish Naidu</a>, <a href="https://publications.waset.org/abstracts/search?q=Michelle%20Kumar"> Michelle Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mangrove patches are the foundation species located in the estuarine land areas. These patches provide a nursery, food source and protection for numerous aquatic, intertidal and well as land-based organisms. Mangroves also help in coastal protection, maintain water clarity and are one of the biggest sinks for blue carbon sequestration. In the Pacific Island countries, numerous coastal communities have a heavy socioeconomic dependence on coastal resources and mangroves play a key ecological and economical role in structuring the availability of these resources. Fiji has a large mangrove patch located in the Votua area of the Ba province. Globally, mangrove population continues to decline with the changes in climatic conditions and anthropogenic activities. Baseline information through wetland maps and time series change are essential references for development of effective mangrove management plans. These maps reveal the status of the resource and the effects arising from anthropogenic activities and climate change. In this study, we used remote sensing and GIS tools for mapping and temporal change detection over a period of >20 years in Votua, Fiji using Landsat imagery. Landsat program started in 1972 initially as Earth Resources Technology Satellite. Since then it has acquired millions of images of Earth. This archive allows mapping of temporal changes in mangrove forests. Mangrove plants consisted of the species Rhizophora stylosa, Rhizophora samoensis, Bruguiera gymnorrhiza, Lumnitzera littorea, Heritiera littoralis, Excoecaria agallocha and Xylocarpus granatum. Change detection analysis revealed significant reduction in the mangrove patch over the years. This information serves as a baseline for the development and implementation of effective management plans for one of Fiji’s biggest mangrove patches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title="climate change">climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=Landsat" title=" Landsat"> Landsat</a>, <a href="https://publications.waset.org/abstracts/search?q=mangrove" title=" mangrove"> mangrove</a>, <a href="https://publications.waset.org/abstracts/search?q=temporal%20change" title=" temporal change "> temporal change </a> </p> <a href="https://publications.waset.org/abstracts/85920/spatial-mapping-and-change-detection-of-a-coastal-woodland-mangrove-habitat-in-fiji" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85920.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">179</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Using GIS for Assessment and Modelling of Oil Spill Risk at Vulnerable Coastal Resources: Of Misratah Coast, Libya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abduladim%20Maitieg">Abduladim Maitieg</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The oil manufacture is one of the main productive activities in Libya and has a massive infrastructure, including offshore drilling and exploration and wide oil export platform sites that located in coastal area. There is a threat to marine and coastal area of oil spills is greatest in those sites with a high spills comes from urban and industry, parallel to that, monitoring oil spills and risk emergency strategy is weakness, An approach for estimating a coastal resources vulnerability to oil spills is presented based on abundance, environmental and Scio-economic importance, distance to oil spill resources and oil risk likelihood. As many as 10 coastal resources were selected for oil spill assessment at the coast. This study aims to evaluate, determine and establish vulnerable coastal resource maps and estimating the rate of oil spill comes for different oil spill resources in Misratah marine environment. In the study area there are two type of oil spill resources, major oil resources come from offshore oil industries which are 96 km from the Coast and Loading/Uploading oil platform. However, the miner oil resources come from urban sewage pipes and fish ports. In order to analyse the collected database, the Geographic information system software has been used to identify oil spill location, to map oil tracks in front of study area, and developing seasonal vulnerable costal resources maps. This work shows that there is a differential distribution of the degree of vulnerability to oil spills along the coastline, with values ranging from high vulnerability and low vulnerability, and highlights the link between oil spill movement and coastal resources vulnerability. The results of assessment found most of costal freshwater spring sites are highly vulnerable to oil spill due to their location on the intertidal zone and their close to proximity to oil spills recourses such as Zreag coast. Furthermore, the Saltmarsh coastline is highly vulnerable to oil spill risk due to characterisation as it contains a nesting area of sea turtles and feeding places for migratory birds and the . Oil will reach the coast in winter season according to oil spill movement. Coastal tourist beaches in the north coast are considered as highly vulnerable to oil spill due to location and closeness to oil spill resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coastal%20recourses%20vulnerability" title="coastal recourses vulnerability">coastal recourses vulnerability</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20spill%20trajectory" title=" oil spill trajectory"> oil spill trajectory</a>, <a href="https://publications.waset.org/abstracts/search?q=gnome%20software" title=" gnome software"> gnome software</a>, <a href="https://publications.waset.org/abstracts/search?q=Misratah%20coast-%20Libya" title=" Misratah coast- Libya"> Misratah coast- Libya</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a> </p> <a href="https://publications.waset.org/abstracts/36483/using-gis-for-assessment-and-modelling-of-oil-spill-risk-at-vulnerable-coastal-resources-of-misratah-coast-libya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36483.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">315</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> Marine Ecosystem Mapping of Taman Laut Labuan: The First Habitat Mapping Effort to Support Marine Parks Management in Malaysia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Ismail">K. Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Ali"> A. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20C.%20Hasan"> R. C. Hasan</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Khalil"> I. Khalil</a>, <a href="https://publications.waset.org/abstracts/search?q=Z.%20Bachok"> Z. Bachok</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20M.%20Said"> N. M. Said</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Muslim"> A. M. Muslim</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20S.%20Che%20Din"> M. S. Che Din</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20S.%20Chong"> W. S. Chong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The marine ecosystem in Malaysia holds invaluable potential in terms of economics, food security, pharmaceuticals components and protection from natural hazards. Although exploration of oil and gas industry and fisheries are active within Malaysian waters, knowledge of the seascape and ecological functioning of benthic habitats is still extremely poor in the marine parks around Malaysia due to the lack of detailed seafloor information. Consequently, it is difficult to manage marine resources effectively, protect ecologically important areas and set legislation to safeguard the marine parks. The limited baseline data hinders scientific linkage to support effective marine spatial management in Malaysia. This became the main driver behind the first seabed mapping effort at the national level. Taman Laut Labuan (TLL) is located to the west coast of Sabah and to the east of South China Sea. The total area of TLL is approximately 158.15 km2, comprises of three islands namely Pulau Kuraman, Rusukan Besar and Rusukan Kecil and is characterised by shallow fringing reef with few submerged shallow reef. The unfamiliar rocky shorelines limit the survey of multibeam echosounder to area with depth more than 10 m. Whereas, singlebeam and side scan sonar systems were used to acquire the data for area with depth less than 10 m. By integrating data from multibeam bathymetry and backscatter with singlebeam bathymetry and side sonar images, we produce a substrate map and coral coverage map for the TLL using i) marine landscape mapping technique and ii) RSOBIA ArcGIS toolbar (developed by T. Le Bas). We take the initiative to explore the ability of aerial drone and satellite image (WorldView-3) to derive the depths and substrate type within the intertidal and subtidal zone where it is not accessible via acoustic mapping. Although the coverage was limited, the outcome showed a promising technique to be incorporated towards establishing a guideline to facilitate a standard practice for efficient marine spatial management in Malaysia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=habitat%20mapping" title="habitat mapping">habitat mapping</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20spatial%20management" title=" marine spatial management"> marine spatial management</a>, <a href="https://publications.waset.org/abstracts/search?q=South%20China%20Sea" title=" South China Sea"> South China Sea</a>, <a href="https://publications.waset.org/abstracts/search?q=National%20seabed%20mapping" title=" National seabed mapping"> National seabed mapping</a> </p> <a href="https://publications.waset.org/abstracts/96311/marine-ecosystem-mapping-of-taman-laut-labuan-the-first-habitat-mapping-effort-to-support-marine-parks-management-in-malaysia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96311.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">224</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Assessment of Hydrologic Response of a Naturalized Tropical Coastal Mangrove Ecosystem Due to Land Cover Change in an Urban Watershed</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bryan%20Clark%20B.%20Hernandez">Bryan Clark B. Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=Eugene%20C.%20Herrera"> Eugene C. Herrera</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuo%20Nadaoka"> Kazuo Nadaoka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mangrove forests thriving in intertidal zones in tropical and subtropical regions of the world offer a range of ecosystem services including carbon storage and sequestration. They can regulate the detrimental effects of climate change due to carbon releases two to four times greater than that of mature tropical rainforests. Moreover, they are effective natural defenses against storm surges and tsunamis. However, their proliferation depends significantly on the prevailing hydroperiod at the coast. In the Philippines, these coastal ecosystems have been severely threatened with a 50% decline in areal extent observed from 1918 to 2010. The highest decline occurred in 1950 - 1972 when national policies encouraged the development of fisheries and aquaculture. With the intensive land use conversion upstream, changes in the freshwater-saltwater envelope at the coast may considerably impact mangrove growth conditions. This study investigates a developing urban watershed in Kalibo, Aklan province with a 220-hectare mangrove forest replanted for over 30 years from coastal mudflats. Since then, the mangrove forest was sustainably conserved and declared as protected areas. Hybrid land cover classification technique was used to classify Landsat images for years, 1990, 2010, and 2017. Digital elevation model utilized was Interferometric Synthetic Aperture Radar (IFSAR) with a 5-meter resolution to delineate the watersheds. Using numerical modelling techniques, the hydrologic and hydraulic analysis of the influence of land cover change to flow and sediment dynamics was simulated. While significant land cover change occurred upland, thereby increasing runoff and sediment loads, the mangrove forests abundance adjacent to the coasts for the urban watershed, was somehow sustained. However, significant alteration of the coastline was observed in Kalibo through the years, probably due to the massive land-use conversion upstream and significant replanting of mangroves downstream. Understanding the hydrologic-hydraulic response of these watersheds to change land cover is essential to helping local government and stakeholders facilitate better management of these mangrove ecosystems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coastal%20mangroves" title="coastal mangroves">coastal mangroves</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrologic%20model" title=" hydrologic model"> hydrologic model</a>, <a href="https://publications.waset.org/abstracts/search?q=land%20cover%20change" title=" land cover change"> land cover change</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippines" title=" Philippines"> Philippines</a> </p> <a href="https://publications.waset.org/abstracts/112994/assessment-of-hydrologic-response-of-a-naturalized-tropical-coastal-mangrove-ecosystem-due-to-land-cover-change-in-an-urban-watershed" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112994.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">122</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Surface Elevation Dynamics Assessment Using Digital Elevation Models, Light Detection and Ranging, GPS and Geospatial Information Science Analysis: Ecosystem Modelling Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20K.%20M.%20Al-Nasrawi">Ali K. M. Al-Nasrawi</a>, <a href="https://publications.waset.org/abstracts/search?q=Uday%20A.%20Al-Hamdany"> Uday A. Al-Hamdany</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarah%20M.%20Hamylton"> Sarah M. Hamylton</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20G.%20Jones"> Brian G. Jones</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasir%20M.%20Alyazichi"> Yasir M. Alyazichi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Surface elevation dynamics have always responded to disturbance regimes. Creating Digital Elevation Models (DEMs) to detect surface dynamics has led to the development of several methods, devices and data clouds. DEMs can provide accurate and quick results with cost efficiency, in comparison to the inherited geomatics survey techniques. Nowadays, remote sensing datasets have become a primary source to create DEMs, including LiDAR point clouds with GIS analytic tools. However, these data need to be tested for error detection and correction. This paper evaluates various DEMs from different data sources over time for Apple Orchard Island, a coastal site in southeastern Australia, in order to detect surface dynamics. Subsequently, 30 chosen locations were examined in the field to test the error of the DEMs surface detection using high resolution <em>global positioning systems</em> (GPSs). Results show significant surface elevation changes on Apple Orchard Island. Accretion occurred on most of the island while surface elevation loss due to erosion is limited to the northern and southern parts. Concurrently, the projected differential correction and validation method aimed to identify errors in the dataset. The resultant DEMs demonstrated a small error ratio (≤ 3%) from the gathered datasets when compared with the fieldwork survey using RTK-GPS. As modern modelling approaches need to become more effective and accurate, applying several tools to create different DEMs on a multi-temporal scale would allow easy predictions in time-cost-frames with more comprehensive coverage and greater accuracy. With a DEM technique for the eco-geomorphic context, such insights about the ecosystem dynamic detection, at such a coastal intertidal system, would be valuable to assess the accuracy of the predicted eco-geomorphic risk for the conservation management sustainability. Demonstrating this framework to evaluate the historical and current anthropogenic and environmental stressors on coastal surface elevation dynamism could be profitably applied worldwide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DEMs" title="DEMs">DEMs</a>, <a href="https://publications.waset.org/abstracts/search?q=eco-geomorphic-dynamic%20processes" title=" eco-geomorphic-dynamic processes"> eco-geomorphic-dynamic processes</a>, <a href="https://publications.waset.org/abstracts/search?q=geospatial%20Information%20Science" title=" geospatial Information Science"> geospatial Information Science</a>, <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title=" remote sensing"> remote sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20elevation%20changes" title=" surface elevation changes"> surface elevation changes</a>, <a href="https://publications.waset.org/abstracts/search?q=" title=""></a> </p> <a href="https://publications.waset.org/abstracts/59124/surface-elevation-dynamics-assessment-using-digital-elevation-models-light-detection-and-ranging-gps-and-geospatial-information-science-analysis-ecosystem-modelling-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59124.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">267</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=intertidal&page=2">2</a></li> <li class="page-item"><a class="page-link" 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