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coast</title> <meta name="description" content="Search results for: atlantic coast"> <meta name="keywords" content="atlantic coast"> <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="atlantic coast"> <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> 511</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: atlantic coast</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">511</span> Genomic Evidence for Ancient Human Migrations Along South America's East Coast</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andre%20Luiz%20Campelo%20dos%20Santos">Andre Luiz Campelo dos Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Amanda%20Owings"> Amanda Owings</a>, <a href="https://publications.waset.org/abstracts/search?q=Henry%20Socrates%20Lavalle%20Sullasi"> Henry Socrates Lavalle Sullasi</a>, <a href="https://publications.waset.org/abstracts/search?q=Omer%20Gokcumen"> Omer Gokcumen</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20DeGiorgio"> Michael DeGiorgio</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Lindo"> John Lindo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An increasing body of archaeological and genomic evidence have indicated a complex settlement process of the Americas. Here, four newly sequenced ancient genomes from Northeast Brazil and Uruguay are reported to share strong relationships with previously published samples from Panama and Southeast Brazil. Moreover, an unexpected high genomic affinity with present-day Onge is found in ancient individuals unearthed along the northern portion of South America’s Atlantic coast. These results provide genomic evidence for ancient migrations along South America’s Atlantic coast. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=archaeogenomics" title="archaeogenomics">archaeogenomics</a>, <a href="https://publications.waset.org/abstracts/search?q=atlantic%20coast" title=" atlantic coast"> atlantic coast</a>, <a href="https://publications.waset.org/abstracts/search?q=paleomigrations" title=" paleomigrations"> paleomigrations</a>, <a href="https://publications.waset.org/abstracts/search?q=South%20America" title=" South America"> South America</a> </p> <a href="https://publications.waset.org/abstracts/148451/genomic-evidence-for-ancient-human-migrations-along-south-americas-east-coast" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148451.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">241</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">510</span> Atlantic Sailfish (Istiophorus albicans) Distribution off the East Coast of Florida from 2003 to 2018 in Response to Sea Surface Temperature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meredith%20M.%20Pratt">Meredith M. Pratt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Atlantic sailfish (Istiophorus albicans) ranges from 40°N to 40°S in the Western Atlantic Ocean and has great economic and recreational value for sport fishers. Off the eastern coast of Florida, charter boats often target this species. Stuart, Florida, bills itself as the sailfish capital of the world. Sailfish tag data from The Billfish Foundation and NOAA was used to determine the relationship between sea surface temperature (SST) and the distribution of Atlantic sailfish caught and released over a fifteen-year period (2003 to 2018). Tagging information was collected from local sports fishermen in Florida. Using the time and location of each landed sailfish, a satellite-derived SST value was obtained for each point. The purpose of this study was to determine if sea surface warming was associated with changes in sailfish distribution. On average, sailfish were caught at 26.16 ± 1.70°C (x̄ ± s.d.) over the fifteen-year period. The most sailfish catches occurred at temperatures ranging from 25.2°C to 25.5°C. Over the fifteen-year period, sailfish catches decreased at lower temperatures (~23°C and ~24°C) and at 31°C. At ~25°C and ~30°C there was no change in catch numbers of sailfish. From 26°C to 29°C, there was an increase in the number of sailfish. Based on these results, increasing ocean temperatures will have an impact on the distribution and habitat utilization of sailfish. Warming sea surface temperatures create a need for more policy and regulation to protect the Atlantic sailfish and related highly migratory billfish species. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atlantic%20sailfish" title="atlantic sailfish">atlantic sailfish</a>, <a href="https://publications.waset.org/abstracts/search?q=Billfish" title=" Billfish"> Billfish</a>, <a href="https://publications.waset.org/abstracts/search?q=istiophorus%20albicans" title=" istiophorus albicans"> istiophorus albicans</a>, <a href="https://publications.waset.org/abstracts/search?q=sea%20surface%20temperature" title=" sea surface temperature"> sea surface temperature</a> </p> <a href="https://publications.waset.org/abstracts/122272/atlantic-sailfish-istiophorus-albicans-distribution-off-the-east-coast-of-florida-from-2003-to-2018-in-response-to-sea-surface-temperature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/122272.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">143</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">509</span> Assessment of the Impact of Trawling Activities on Marine Bottoms of Moroccan Atlantic </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rachida%20Houssa">Rachida Houssa</a>, <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Rhinane"> Hassan Rhinane</a>, <a href="https://publications.waset.org/abstracts/search?q=Fadoumo%20Ali%20Malouw"> Fadoumo Ali Malouw</a>, <a href="https://publications.waset.org/abstracts/search?q=Amina%20Oulmaalem"> Amina Oulmaalem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Since the early 70s, the Moroccan Atlantic sea was subjected to the pressure of the bottom trawling, one of the most destructive techniques seabed that cause havoc on fishing catch, nonselective, and responsible for more than half of all releases of fish around the world. The present paper aims to map and assess the impact of the activity of the bottom trawling of the Moroccan Atlantic coast. For this purpose, a dataset of thirty years, between 1962 and 1999, from foreign fishing vessels using bottom trawling, has been used and integrated in a GIS. To estimate the extent and the importance of the geographical distribution of the trawling effort, the Moroccan Atlantic area was divided into a grid of cells of 25 km2 (5x5 km). This grid was joined to the effort trawling data, creating a new entity with a table containing spatial overlay grid with the polygon of swept surfaces. This mapping model allowed to quantify the used fishing effort versus time and to generate the trace indicative of trawling efforts on the seabed. Indeed, for a given year, a grid cell may have a swept area equal to 0 (never been touched by the trawl) or 25 km2 (the trawled area is similar to the cell size) or may be 100 km2 indicating that for this year, the scanned surface is four times the cell area. The results show that the total cumulative sum of trawled area is approximately 28,738,326 km2, scattered throughout the Atlantic coast. 95% of the overall trawling effort is located in the southern zone, between 29°N and 20°30'N. Nearly 5% of the trawling effort is located in the northern coastal region, north of 33°N. The center area between 33°N and 29°N is the least swept by Russian commercial vessels because in this region the majority of the area is rocky, and non trawlable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GIS" title="GIS">GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=Moroccan%20Atlantic%20Ocean" title=" Moroccan Atlantic Ocean"> Moroccan Atlantic Ocean</a>, <a href="https://publications.waset.org/abstracts/search?q=seabed" title=" seabed"> seabed</a>, <a href="https://publications.waset.org/abstracts/search?q=trawling" title=" trawling"> trawling</a> </p> <a href="https://publications.waset.org/abstracts/45380/assessment-of-the-impact-of-trawling-activities-on-marine-bottoms-of-moroccan-atlantic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45380.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">328</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">508</span> Heavy Metal Contamination and Its Ecological Risks in the Beach Sediments along the Atlantic Ocean</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Armel%20Zacharie%20Ekoa%20Bessa">Armel Zacharie Ekoa Bessa</a>, <a href="https://publications.waset.org/abstracts/search?q=Annick%20Kwewouo%20Janpou"> Annick Kwewouo Janpou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sediments collected along the beaches of the Atlantic Ocean in Africa were analyzed by geochemical proxies such as the ICP-MS technique to determine their heavy metal contamination and related ecological risks. Several metals were selected and show a decreasing trend: Fe > Mn > Ni > Cu > Co > Zn > Cr > Cd. Several pollution indices have been calculated, including the enrichment factor (EF), whose values are generally higher than 1. 5; the geo-accumulation index (I-geo), with values of some elements (Co, Ni and Cu) in the sediments of the study area being higher than 0, and other metals (Zn, Cr, Fe and Mn) being lower than 0; the contamination factor (CF), where the values of all the selected elements are between 1 and 3; and the pollution load index (PLI), where the values in almost all the study sites are higher than 1. These results show moderate contamination of the investigated sediments with heavy metals. The potential ecological risk assessment (Eri and RI) suggests that this part of the African coast is a low to a slight risk area. Statistical analyses indicate that heavy metals have shown fairly similar trends with anthropogenic and natural sources. This study shows that this coastal area is not highly concentrated in heavy metals and reveals that the Atlantic coast of Africa would be moderately polluted by the metals studied, with a low to moderate ecological risk. <p class="card-text"><strong>Keywords:</strong> <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=pollution" title=" pollution"> pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=atlantic%20ocean" title=" atlantic ocean"> atlantic ocean</a>, <a href="https://publications.waset.org/abstracts/search?q=sediments" title=" sediments"> sediments</a> </p> <a href="https://publications.waset.org/abstracts/165141/heavy-metal-contamination-and-its-ecological-risks-in-the-beach-sediments-along-the-atlantic-ocean" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165141.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">83</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">507</span> Positioning Analysis of Atlantic Canadian Provinces as Travel Destinations by Americans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dongkoo%20Yun">Dongkoo Yun</a>, <a href="https://publications.waset.org/abstracts/search?q=Melissa%20James-MacEachern"> Melissa James-MacEachern</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study analyzes Americans’ views of four Atlantic Canadian provinces as travel destinations regarding specific destination attributes for a pleasure trip, awareness (heard) of the destinations, past visit to the destinations during the prior two years, and intention to visit in the next two years. Results indicate that American travellers perceived the four Atlantic Canadian provinces as separate and distinct when rating best-fit destination attributes to each destination. The results suggest that travel destinations, specifically the four selected destinations, must be prepared to differentiate their destination’s image and the range of experiences and services to appeal and attract more American travellers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=American%20perceptions" title="American perceptions">American perceptions</a>, <a href="https://publications.waset.org/abstracts/search?q=Atlantic%20Canadian%20provinces" title=" Atlantic Canadian provinces"> Atlantic Canadian provinces</a>, <a href="https://publications.waset.org/abstracts/search?q=competitiveness" title=" competitiveness"> competitiveness</a>, <a href="https://publications.waset.org/abstracts/search?q=positioning%20analysis" title=" positioning analysis"> positioning analysis</a> </p> <a href="https://publications.waset.org/abstracts/47247/positioning-analysis-of-atlantic-canadian-provinces-as-travel-destinations-by-americans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47247.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">276</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">506</span> Exploitation Pattern of Atlantic Bonito in West African Waters: Case Study of the Bonito Stock in Senegalese Waters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ousmane%20Sarr">Ousmane Sarr</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Senegalese coasts have high productivity of fishery resources due to the frequency of intense up-welling system that occurs along its coast, caused by the maritime trade winds making its waters nutrients rich. Fishing plays a primordial role in Senegal's socioeconomic plans and food security. However, a global diagnosis of the Senegalese maritime fishing sector has highlighted the challenges this sector encounters. Among these concerns, some significant stocks, a priority target for artisanal fishing, need further assessment. If no efforts are made in this direction, most stock will be overexploited or even in decline. It is in this context that this research was initiated. This investigation aimed to apply a multi-modal approach (LBB, Catch-only-based CMSY model and its most recent version (CMSY++); JABBA, and JABBA-Select) to assess the stock of Atlantic bonito, Sarda sarda (Bloch, 1793) in the Senegalese Exclusive Economic Zone (SEEZ). Available catch, effort, and size data from Atlantic bonito over 15 years (2004-2018) were used to calculate the nominal and standardized CPUE, size-frequency distribution, and length at retentions (50 % and 95 % selectivity) of the species. These relevant results were employed as input parameters for stock assessment models mentioned above to define the stock status of this species in this region of the Atlantic Ocean. The LBB model indicated an Atlantic bonito healthy stock status with B/BMSY values ranging from 1.3 to 1.6 and B/B0 values varying from 0.47 to 0.61 of the main scenarios performed (BON_AFG_CL, BON_GN_Length, and BON_PS_Length). The results estimated by LBB are consistent with those obtained by CMSY. The CMSY model results demonstrate that the SEEZ Atlantic bonito stock is in a sound condition in the final year of the main scenarios analyzed (BON, BON-bt, BON-GN-bt, and BON-PS-bt) with sustainable relative stock biomass (B2018/BMSY = 1.13 to 1.3) and fishing pressure levels (F2018/FMSY= 0.52 to 1.43). The B/BMSY and F/FMSY results for the JABBA model ranged between 2.01 to 2.14 and 0.47 to 0.33, respectively. In contrast, The estimated B/BMSY and F/FMSY for JABBA-Select ranged from 1.91 to 1.92 and 0.52 to 0.54. The Kobe plots results of the base case scenarios ranged from 75% to 89% probability in the green area, indicating sustainable fishing pressure and an Atlantic bonito healthy stock size capable of producing high yields close to the MSY. Based on the stock assessment results, this study highlighted scientific advice for temporary management measures. This study suggests an improvement of the selectivity parameters of longlines and purse seines and a temporary prohibition of the use of sleeping nets in the fishery for the Atlantic bonito stock in the SEEZ based on the results of the length-base models. Although these actions are temporary, they can be essential to reduce or avoid intense pressure on the Atlantic bonito stock in the SEEZ. However, it is necessary to establish harvest control rules to provide coherent and solid scientific information that leads to appropriate decision-making for rational and sustainable exploitation of Atlantic bonito in the SEEZ and the Eastern Atlantic Ocean. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multi-model%20approach" title="multi-model approach">multi-model approach</a>, <a href="https://publications.waset.org/abstracts/search?q=stock%20assessment" title=" stock assessment"> stock assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=atlantic%20bonito" title=" atlantic bonito"> atlantic bonito</a>, <a href="https://publications.waset.org/abstracts/search?q=SEEZ" title=" SEEZ"> SEEZ</a> </p> <a href="https://publications.waset.org/abstracts/174192/exploitation-pattern-of-atlantic-bonito-in-west-african-waters-case-study-of-the-bonito-stock-in-senegalese-waters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/174192.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">62</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">505</span> A Multi-Model Approach to Assess Atlantic Bonito (Sarda Sarda, Bloch 1793) in the Eastern Atlantic Ocean: A Case Study of the Senegalese Exclusive Economic Zone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ousmane%20Sarr">Ousmane Sarr</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Senegalese coasts have high productivity of fishery resources due to the frequency of intense up-welling system that occurs along its coast, caused by the maritime trade winds making its waters nutrients rich. Fishing plays a primordial role in Senegal's socioeconomic plans and food security. However, a global diagnosis of the Senegalese maritime fishing sector has highlighted the challenges this sector encounters. Among these concerns, some significant stocks, a priority target for artisanal fishing, need further assessment. If no efforts are made in this direction, most stock will be overexploited or even in decline. It is in this context that this research was initiated. This investigation aimed to apply a multi-modal approach (LBB, Catch-only-based CMSY model and its most recent version (CMSY++); JABBA, and JABBA-Select) to assess the stock of Atlantic bonito, Sarda sarda (Bloch, 1793) in the Senegalese Exclusive Economic Zone (SEEZ). Available catch, effort, and size data from Atlantic bonito over 15 years (2004-2018) were used to calculate the nominal and standardized CPUE, size-frequency distribution, and length at retentions (50 % and 95 % selectivity) of the species. These relevant results were employed as input parameters for stock assessment models mentioned above to define the stock status of this species in this region of the Atlantic Ocean. The LBB model indicated an Atlantic bonito healthy stock status with B/BMSY values ranging from 1.3 to 1.6 and B/B0 values varying from 0.47 to 0.61 of the main scenarios performed (BON_AFG_CL, BON_GN_Length, and BON_PS_Length). The results estimated by LBB are consistent with those obtained by CMSY. The CMSY model results demonstrate that the SEEZ Atlantic bonito stock is in a sound condition in the final year of the main scenarios analyzed (BON, BON-bt, BON-GN-bt, and BON-PS-bt) with sustainable relative stock biomass (B2018/BMSY = 1.13 to 1.3) and fishing pressure levels (F2018/FMSY= 0.52 to 1.43). The B/BMSY and F/FMSY results for the JABBA model ranged between 2.01 to 2.14 and 0.47 to 0.33, respectively. In contrast, The estimated B/BMSY and F/FMSY for JABBA-Select ranged from 1.91 to 1.92 and 0.52 to 0.54. The Kobe plots results of the base case scenarios ranged from 75% to 89% probability in the green area, indicating sustainable fishing pressure and an Atlantic bonito healthy stock size capable of producing high yields close to the MSY. Based on the stock assessment results, this study highlighted scientific advice for temporary management measures. This study suggests an improvement of the selectivity parameters of longlines and purse seines and a temporary prohibition of the use of sleeping nets in the fishery for the Atlantic bonito stock in the SEEZ based on the results of the length-base models. Although these actions are temporary, they can be essential to reduce or avoid intense pressure on the Atlantic bonito stock in the SEEZ. However, it is necessary to establish harvest control rules to provide coherent and solid scientific information that leads to appropriate decision-making for rational and sustainable exploitation of Atlantic bonito in the SEEZ and the Eastern Atlantic Ocean. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multi-model%20approach" title="multi-model approach">multi-model approach</a>, <a href="https://publications.waset.org/abstracts/search?q=stock%20assessment" title=" stock assessment"> stock assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=atlantic%20bonito" title=" atlantic bonito"> atlantic bonito</a>, <a href="https://publications.waset.org/abstracts/search?q=healthy%20stock" title=" healthy stock"> healthy stock</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable" title=" sustainable"> sustainable</a>, <a href="https://publications.waset.org/abstracts/search?q=SEEZ" title=" SEEZ"> SEEZ</a>, <a href="https://publications.waset.org/abstracts/search?q=temporary%20management%20measures" title=" temporary management measures"> temporary management measures</a> </p> <a href="https://publications.waset.org/abstracts/173366/a-multi-model-approach-to-assess-atlantic-bonito-sarda-sarda-bloch-1793-in-the-eastern-atlantic-ocean-a-case-study-of-the-senegalese-exclusive-economic-zone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173366.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">58</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">504</span> Festive Fictions: An Iconographic Study of Ritual and Intersectionality in Cartagena, Colombia </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Melissa%20Valle">Melissa Valle</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper draws upon the studies of visual culture and intersectionality to illuminate how visuality can naturalize social hierarchies. Through the use of iconography, it decodes the denotative, connotative and ideological meanings of symbols of ritualistic events in the context of the Colombian Atlantic Coast. An examination of such exceptional moments, i.e. of the spectacle, brings into focus how such performances are imbued with meaning by both the on-looker and the performer. Through an analysis of preexisting visuals (e.g., advertisements, social media) and visual materials produced by the researcher for the purpose of photo-elicitation interviews, this paper provides a contextual analysis of the ways in which three representations, popular during Colombian Atlantic coastal festivals (Negrita Puloy, Las Palenqueras, and El Son de Negro), have been historically, culturally and politically constituted. This work reveals that the visualizations are born out of and reproduce typifications systems heavily based upon race, gender, class, and ethnicity. Understanding the ways these categories are mutually constituted through the cultural practice of visual representation is essential to a more comprehensive understanding of the role such representation plays in the reproduction of social difference. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Colombia" title="Colombia">Colombia</a>, <a href="https://publications.waset.org/abstracts/search?q=festivals" title=" festivals"> festivals</a>, <a href="https://publications.waset.org/abstracts/search?q=intersectionality" title=" intersectionality"> intersectionality</a>, <a href="https://publications.waset.org/abstracts/search?q=visual%20culture" title=" visual culture "> visual culture </a> </p> <a href="https://publications.waset.org/abstracts/65834/festive-fictions-an-iconographic-study-of-ritual-and-intersectionality-in-cartagena-colombia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65834.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">355</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">503</span> A Study on Genus Carolia Cantraine, 1838: A Case Study in Egypt with Special Emphasis on Paleobiogeographic, and Biometric Context</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Soheir%20El-Shazly">Soheir El-Shazly</a>, <a href="https://publications.waset.org/abstracts/search?q=Gouda%20Abdel-Gawad"> Gouda Abdel-Gawad</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasser%20Salama"> Yasser Salama</a>, <a href="https://publications.waset.org/abstracts/search?q=Dina%20Sayed"> Dina Sayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Twelve species belonging to genus Carolia Cantraine, 1838 were recorded from nine localities in the Tertiary rocks of the Tethys, Atlantic and Eastern Pacific Provinces. During The Eocene two species were collected from Indian-Pakistani region, two from North Africa (Libya, Tunis and Algeria), one from Jamaica and two from Peru. The Oligocene shows its appearance in North America (Florida) and Argentina. The genus showed its last occurrence in the Miocene rocks of North America (Florida) before its extinction. In Egypt, the genus was diversified in the Eocene rocks and was represented by four species and two subspecies. The paleobiogeographic distribution of Genus Carolia Cantraine, 1838 indicates that it appeared in the Lower Eocene of West Indian Ocean and migrated westward flowing circumtropical Tethys Current to the central Tethyan province, where it appeared in North Africa and continued its dispersal westward to the Atlantic Ocean and arrived Jamaica in the Middle Eocene. It persisted in the Caribbean Sea and appeared later in the Oligocene and Miocene rocks of North America (Florida). Crossing Panama corridor, the genus migrated to the south Eastern Pacific Ocean and was collected from the Middle Eocene of Peru. The appearance of the genus in the Oligocene of the South Atlantic Coast of Argentina may be via South America Seaway or its southward migration from Central America to Austral Basin. The thickening of the upper valve of the genus, after the loss of its byssus to withstand the current action, caused inability of the animal to carry on its vital activity and caused its extinction. The biometric study of Carolia placunoides Cantraine, 1938 from thhe Eocene of Egypt, indicates that the distance between the muscle scars in the upper valve increases with the closure of the byssal notch. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Atlantic" title="Atlantic">Atlantic</a>, <a href="https://publications.waset.org/abstracts/search?q=carolia" title=" carolia"> carolia</a>, <a href="https://publications.waset.org/abstracts/search?q=paleobiogeography" title=" paleobiogeography"> paleobiogeography</a>, <a href="https://publications.waset.org/abstracts/search?q=tethys" title=" tethys"> tethys</a> </p> <a href="https://publications.waset.org/abstracts/41732/a-study-on-genus-carolia-cantraine-1838-a-case-study-in-egypt-with-special-emphasis-on-paleobiogeographic-and-biometric-context" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41732.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">502</span> Toxin-Producing Algae of Nigerian Coast, Gulf of Guinea</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Medina%20O.%20Kadiri">Medina O. Kadiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeffrey%20U.%20Ogbebor"> Jeffrey U. Ogbebor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Toxin-producing algae are algal species that produce potent toxins, which accumulate in food chains and cause various gastrointestinal and neurological illnesses in humans and other animals. They result in shellfish toxicity, ecosystem alteration, cause fish kills and mortality of other animals and humans, in addition to compromised product quality as well as decreased consumer confidence. Animals, including man, are directly exposed to toxins by absorbing toxins from the water via swimming, drinking water with toxins, or ingestion of algal species via feeding on contaminated seafood. These toxins, algal toxins, undergo bioaccumulation, biotransformation, biotransferrence, and biomagnification through the natural food chains and food webs, thereby endangering animals and humans. The Nigerian coast is situated on the Atlantic Ocean, the Gulf of Guinea, one of Africa’s five large marine ecosystems (LME), and studies on toxic algae in this ecosystem are generally lacking. Algal samples were collected from eight coastal states and ten locations spanning the Bight of Bonny and the Bight of Benin. A total of 70 species of toxin-producing algae were found in the coastal waters of Nigeria. There was a great variety of toxin-producing algae in the coastal waters of Nigeria. They were Domoic acid-producing forms (DSP), Saxitoxin-producing, Gonyautoxin-producing, and Yessotoxin-producing (all PSP). Others were Okadaic acid-producing, Dinophysistoxin-producing, and Palytoxin-producing, which are representatives of DSP; CFP was represented by Ciguatoxin-producing forms and NSP by Brevitoxin-producing species. Emerging or new toxins are comprising of Gymnodimines, Spirolides, Palytoxins, and Prorocentrolidess-producing algae. The CyanoToxin Poisoning (CTP) was represented by Anatoxin-, Microcystin-, Cylindrospermopsis-Lyngbyatoxin-, Nordularin-Applyssiatoxin and Debromoapplatoxin-producing species. The highest group was the Saxitoxin-producing species, followed by Microcystin-producing species, then Anatoxin-producing species. Gonyautoxin (PSP), Palytoxin (DSP), Emerging toxins, and Cylindrospermopsin -producing species had a very substantial representation. Only Ciguatoxin-producing species, Lyngbyatoxin-Nordularin, Applyssiatoxin, and Debromoapplatoxin-producing species were represented by one taxon each. The presence of such overwhelming diversity of toxin-producing algae on the Nigerian coast is a source of concern for fisheries, aquaculture, human health, and ecosystem services. Therefore routine monitoring of toxic and harmful algae is greatly recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algal%20syndromes" title="algal syndromes">algal syndromes</a>, <a href="https://publications.waset.org/abstracts/search?q=Atlantic%20Ocean" title=" Atlantic Ocean"> Atlantic Ocean</a>, <a href="https://publications.waset.org/abstracts/search?q=harmful%20algae" title=" harmful algae"> harmful algae</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a> </p> <a href="https://publications.waset.org/abstracts/139706/toxin-producing-algae-of-nigerian-coast-gulf-of-guinea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139706.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">205</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">501</span> Phylogeography and Evolutionary History of Whiting (Merlangius merlangus) along the Turkish Coastal Waters with Comparisons to the Atlantic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asl%C4%B1%20%C5%9Ealc%C4%B1o%C4%9Flu">Aslı Şalcıoğlu</a>, <a href="https://publications.waset.org/abstracts/search?q=Grigorous%20Krey"> Grigorous Krey</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C5%9Fit%20Bilgin"> Raşit Bilgin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the effect of the Turkish Straits System (TSS), comprising a biogeographical boundary that forms the connection between the Mediterranean and the Black Sea, on the evolutionary history, phylogeography and intraspecific gene flow of the whiting (Merlangius merlangus) a demersal fish species, was investigated. For these purposes, the mitochondrial DNA (CO1, cyt-b) genes were used. In addition, genetic comparisons samples from other regions (Greece, France, Atlantic) obtained from GenBank and Barcode of Life Database were made to better understand the phylogeographic history of the species at a larger geographic scale. Within this study, high level of genetic differentiation was observed along the Turkish coastal waters based on cyt-b gene, suggesting that TSS is a barrier to dispersal. Two different sub-species were also observed based on mitochondrial DNA, one found in Turkish coastal waters and Greece (M.m euxinus) and other (M.m. merlangus) in Atlantic, France. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=genetic" title="genetic">genetic</a>, <a href="https://publications.waset.org/abstracts/search?q=phylogeography" title=" phylogeography"> phylogeography</a>, <a href="https://publications.waset.org/abstracts/search?q=TSS" title=" TSS"> TSS</a>, <a href="https://publications.waset.org/abstracts/search?q=whiting" title=" whiting"> whiting</a> </p> <a href="https://publications.waset.org/abstracts/66884/phylogeography-and-evolutionary-history-of-whiting-merlangius-merlangus-along-the-turkish-coastal-waters-with-comparisons-to-the-atlantic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66884.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">310</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">500</span> Analyze Long-Term Shoreline Change at Yi-Lan Coast, Taiwan Using Multiple Sources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Geng-Gui%20Wang">Geng-Gui Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Chia-Hao%20Chang"> Chia-Hao Chang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jee-Cheng%20Wu"> Jee-Cheng Wu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A shoreline is a line where a body of water and the shore meet. It provides economic and social security to coastal habitations. However, shorelines face multiple threats due to both natural processes and man-made effects because of disasters, rapid urbanization, industrialization, and sand deposition and erosion, etc. In this study, we analyzed multi-temporal satellite images of the Yilan coast, Taiwan from 1978 to 2016, using the United States Geological Survey (USGS) Digital Shoreline Analysis System (DSAS), weather information (as rainfall records and typhoon routes), and man-made construction project data to explore the causes of shoreline changes. The results showed that the shoreline at Yilan coast is greatly influenced by typhoons and anthropogenic interventions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=shoreline%20change" title="shoreline change">shoreline change</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-temporal%20satellite" title=" multi-temporal satellite"> multi-temporal satellite</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20shoreline%20analysis%20system" title=" digital shoreline analysis system"> digital shoreline analysis system</a>, <a href="https://publications.waset.org/abstracts/search?q=DSAS" title=" DSAS"> DSAS</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-Lan%20coast" title=" Yi-Lan coast"> Yi-Lan coast</a> </p> <a href="https://publications.waset.org/abstracts/94949/analyze-long-term-shoreline-change-at-yi-lan-coast-taiwan-using-multiple-sources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94949.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">163</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">499</span> Groundwater Recharge Pattern in East and West Coast of India: Evidence of Dissimilar Moisture Sources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ajit%20Kumar%20Behera">Ajit Kumar Behera</a>, <a href="https://publications.waset.org/abstracts/search?q=Saranya%20P."> Saranya P.</a>, <a href="https://publications.waset.org/abstracts/search?q=Sudhir%20Kumar"> Sudhir Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Krishnakumar%20A"> Krishnakumar A</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The stable isotope (δ¹⁸ O and δ²H) composition of groundwater of the coastal areas of Periyar and Mahanadi basins falling along East and West coast of India during North-East (NE) monsoon season have been studied. The east and west coast regions are surrounded by the Bay of Bengal and the Arabian Sea respectively, which are considered to be the primary sources for precipitation over India. The major difference between the Bay of Bengal and the Arabian Sea is that a number of large rivers feed the Bay of Bengal, whereas the Arabian Sea is fed by very few small rivers, resulting in enriched stable isotopic composition of the Arabian Sea than the Bay of Bengal. Previous studies have reported depleted ratios of stable isotopes during Northeast monsoon along East and West coasts due to the influence of the Bay of Bengal moisture source. The isotopic composition of groundwater of the Mahanadi delta in the east coast region varies from -6.87 ‰ to -3.40 ‰ for δ¹⁸ O and -45.42 ‰ to -22.43‰ for δ²H. However, the groundwater of the Periyar basin in the west coast has enriched stable isotope value varying from -4.3‰ to -2.5 ‰ for δ¹⁸ O and for δ²H from -23.7 to -6.4 ‰ which is a characteristic of South-West monsoon season. This suggests the groundwater system of the Mahanadi delta and the Periyar basins are influenced by dissimilar moisture sources. The δ¹⁸ O and δ² H relationship (δ²H= 6.513 δ¹⁸ O - 1.39) and d-excess value (< 10) in the east coast region indicates the influence of NE monsoon implying the quick groundwater recharge after precipitation with significant amount of evaporation. In contrast, the δ¹⁸ O and δ²H regression line (δ²H= 8.408 δ¹⁸ O + 11.71) with high d-excess value (>10) in the west coast region implies delayed recharge due to SW monsoon. The observed isotopic enrichment in west coast suggests that NE winter monsoon rainfall does not replenish groundwater quick enough to produce isotopic depletion during the season. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arabian%20sea" title="Arabian sea">Arabian sea</a>, <a href="https://publications.waset.org/abstracts/search?q=bay%20of%20Bengal" title=" bay of Bengal"> bay of Bengal</a>, <a href="https://publications.waset.org/abstracts/search?q=groundwater" title=" groundwater"> groundwater</a>, <a href="https://publications.waset.org/abstracts/search?q=monsoon" title=" monsoon"> monsoon</a>, <a href="https://publications.waset.org/abstracts/search?q=stable%20isotope" title=" stable isotope"> stable isotope</a> </p> <a href="https://publications.waset.org/abstracts/77283/groundwater-recharge-pattern-in-east-and-west-coast-of-india-evidence-of-dissimilar-moisture-sources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77283.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">377</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">498</span> A Taxonomic Study of Species Belonging to Flatfish Order (Pleuronectiformes) in Syrian Marine Water</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samira%20Khalil">Samira Khalil</a>, <a href="https://publications.waset.org/abstracts/search?q=Adib%20Saad"> Adib Saad</a>, <a href="https://publications.waset.org/abstracts/search?q=Malek%20Ali"> Malek Ali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this research is to determine fish species belonging to the order Pleuronectiforme fish found in Syrian marine water confirm or deny the continuity of the previously registered species, and record the unregistered species that appeared during this research for the first time. The research was carried out in the Laboratory of Marine Sciences, Faculty of Agriculture (Tishreen University); fish samples were collected periodically (bi-monthly) from fishermen in landing areas along the Syrian coast caught from depths (3m to 700m), using various mediums. An appropriate hand is available to fishermen on the Syrian coast (cliff bottom, fixed nets, enclosure nets, shelf nest, and manual disposal network; 451 individuals were captured and studied during the research period. During this study, it was found that the Syrian water includes 15 species, including one species recorded for the first time. On the eastern coast of the Mediterranean, it is Pegusa impar. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pleuronectiformes" title="pleuronectiformes">pleuronectiformes</a>, <a href="https://publications.waset.org/abstracts/search?q=Syrian%20coast" title=" Syrian coast"> Syrian coast</a>, <a href="https://publications.waset.org/abstracts/search?q=flatfish" title=" flatfish"> flatfish</a>, <a href="https://publications.waset.org/abstracts/search?q=mediterranean" title=" mediterranean"> mediterranean</a> </p> <a href="https://publications.waset.org/abstracts/186018/a-taxonomic-study-of-species-belonging-to-flatfish-order-pleuronectiformes-in-syrian-marine-water" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186018.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">48</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">497</span> Analysis of the Contribution of Coastal and Marine Physical Factors to Oil Slick Movement: Case Study of Misrata, 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>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Johnson"> Mark Johnson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Developing a coastal oil spill management plan for the Misratah coast is the motivating factor for building a database for coastal and marine systems and energy resources. Wind direction and speed, currents, bathymetry, coastal topography and offshore dynamics influence oil spill deposition in coastal water. Therefore, oceanographic and climatological data can be used to understand oil slick movement and potential oil deposits on shoreline area and the behaviour of oil spill trajectories on the sea surface. The purpose of this study is to investigate the effects of the coastal and marine physical factors under strong wave conditions and various bathymetric and coastal topography gradients in the western coastal area of Libya on the movement of oil slicks. The movement of oil slicks was computed using a GNOME simulation model based on current and wind speed/direction. The results in this paper show that (1) Oil slick might reach the Misratah shoreline area in two days in the summer and winter. Seasons. (2 ) The North coast of Misratah is the potential oil deposit area on the Misratah coast. (3) Tarball pollution was observed along the North coast of Misratah. (4) Two scenarios for the summer and the winter season were run, along the western coast of Libya . (5) The eastern coast is at a lower potential risk due to the influence of wind and current energy in the Gulf of Sidra. (6) The Misratah coastline is more vulnerable to oil spill movement in the summer than in winter seasons. (7) Oil slick takes from 2 to 5 days to reach the saltmarsh in the eastern Misratah coast. (8) Oil slick moves 300 km in 30 days from the spill resource location near the Libyan western border to the Misratah coast.(9) Bathymetric features have a profound effect on oil spill movement. (9)Oil dispersion simulations using GNOME are carried out taking into account high-resolution wind and current data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20spill%20movement" title="oil spill movement">oil spill movement</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20and%20marine%20physical%20factors" title=" coastal and marine physical factors"> coastal and marine physical factors</a>, <a href="https://publications.waset.org/abstracts/search?q=coast%20area" title=" coast area"> coast area</a>, <a href="https://publications.waset.org/abstracts/search?q=Libyan" title=" Libyan "> Libyan </a> </p> <a href="https://publications.waset.org/abstracts/74155/analysis-of-the-contribution-of-coastal-and-marine-physical-factors-to-oil-slick-movement-case-study-of-misrata-libya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74155.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">225</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">496</span> Towards a Quantification of the Wind Erosion of the Gharb Shoreline Soils in Morocco by the Application of a Mathematical Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Kachtali">Mohammed Kachtali</a>, <a href="https://publications.waset.org/abstracts/search?q=Imad%20Fenjiro"> Imad Fenjiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Jamal%20Alkarkouri"> Jamal Alkarkouri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wind erosion is a serious environmental problem in arid and semi-arid regions. Indeed, wind erosion easily removes the finest particles of the soil surface, which also contribute to losing soil fertility. The siltation of infrastructures and cultivated areas and the negative impact on health are additional consequences of wind erosion. In Morocco, wind erosion constitutes the main factor of silting up in coast and Sahara. The aim of our study is to use an equation of wind erosion in order to estimate the soil loses by wind erosion in the coast of Gharb (North of Morocco). The used equation in our model includes the geographic data, climatic data of 30 years and edaphic data collected from area study which contained 11 crossing of 4 stations. Our results have shown that the values of wind erosion are higher and very different between some crossings (p < 0.001). This difference is explained by topography, soil texture, and climate. In conclusion, wind erosion is higher in Gharb coast and varies from station to another; this problem required several methods of control and mitigation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gharb%20coast" title="Gharb coast">Gharb coast</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=silting" title=" silting"> silting</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20erosion" title=" wind erosion"> wind erosion</a> </p> <a href="https://publications.waset.org/abstracts/107543/towards-a-quantification-of-the-wind-erosion-of-the-gharb-shoreline-soils-in-morocco-by-the-application-of-a-mathematical-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107543.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">495</span> A Modelling Study to Compare the Storm Surge along Oman Coast Due to Ashobaa and Nanauk Cyclones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20V.%20Suresh%20Reddi">R. V. Suresh Reddi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vishnu%20S.%20Das"> Vishnu S. Das</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathew%20Leslie"> Mathew Leslie </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The weather systems within the Arabian Sea is very dynamic in terms of monsoon and cyclone events. The storms generated in the Arabian Sea are more likely to progress in the north-west or west direction towards Oman. From the database of Joint Typhoon Warning Center (JTWC), the number of cyclones that hit the Oman coast or pass within close vicinity is noteworthy and therefore they must be considered when looking at coastal/port engineering design and development projects. This paper provides a case study of two cyclones, i.e., Nanauk (2014) and Ashobaa (2015) to assess the impact on storm surge off the Oman coast. These two cyclones have been selected since they are comparable in terms of maximum wind, cyclone duration, central pressure and month of occurrence. They are of similar strength but differ in track, allowing the impact of proximity to the coast to be considered. Of the two selected cyclones, Ashobaa is the 'extreme' case with close proximity while Nanauk remains further offshore and is considered as a more typical case. The available 'best-track' data from JTWC is obtained for the 2 selected cyclones, and the cyclone winds are generated using a 'Cyclone Wind Generation Tool' from MIKE (modelling software) from DHI (Danish Hydraulic Institute). Using MIKE 21 Hydrodynamic model powered by DHI the storm surge is estimated at selected offshore locations along the Oman coast. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=costal%20engineering" title="costal engineering">costal engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=cyclone" title=" cyclone"> cyclone</a>, <a href="https://publications.waset.org/abstracts/search?q=storm%20surge" title=" storm surge"> storm surge</a>, <a href="https://publications.waset.org/abstracts/search?q=modelling" title=" modelling"> modelling</a> </p> <a href="https://publications.waset.org/abstracts/104031/a-modelling-study-to-compare-the-storm-surge-along-oman-coast-due-to-ashobaa-and-nanauk-cyclones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104031.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">145</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">494</span> Heritage of the Ancient Greco-Roman Cities and Harbors in the North West Coast of Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wessam%20Fekry%20Ibrahim%20Moussa">Wessam Fekry Ibrahim Moussa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The northwest coast of Egypt embraces about 500 km of the Mediterranean coastline. The area covered extends from Alexandria on the East to the village of Sallum at Egypt's border with Libya in the west with an average depth of 20-70 km. When one looks at this long strip of land, one is struck by the fact that, from the archaeological point of view, one knows relatively little about this region during ancient times, its history, villages, inhabitants, and heritage. According to classical writers, in antiquity, the area seemed to be more populated and characterized by its rich buildings and inhabitants. They mentioned several Greco-Roman towns and harbors scattered along the coast nearly 2 thousand years ago. Strabo, for instance, in his book 17, confirmed the existence of about 12 several clusters along the coast, which varied between cities, villages, harbors, and small islands. Claudius Ptolemaeus also enumerated many marina sites as well as some small cities and villages. Unfortunately, nowadays, most of them have been lost either due to the extensive development of the north coast, Natural Disasters, or Erosion Factors. However, recent excavations carried out within the area revealed just a little of these settlements. The aim of this study is to reveal the secrets of the hidden heritage of those ancient sites and shed light on the role they played in the past, as some of them used to be stops on the trade route between Libya and Egypt (Strabo 17) or major centers for some of the international imports. The study will explore the archeological evidence using the analytical methodology to analyze each site and identify its features and significances in order to conclude the importance and role it once played during the past. Findings could be used by authorities and policymakers to utilize these heritage resources to improve cultural tourism within the area and enhance the tourist's experience. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Greco%20Roman" title="Greco Roman">Greco Roman</a>, <a href="https://publications.waset.org/abstracts/search?q=heritage" title=" heritage"> heritage</a>, <a href="https://publications.waset.org/abstracts/search?q=ancient%20cities" title=" ancient cities"> ancient cities</a>, <a href="https://publications.waset.org/abstracts/search?q=north%20west%20coast" title=" north west coast"> north west coast</a> </p> <a href="https://publications.waset.org/abstracts/115285/heritage-of-the-ancient-greco-roman-cities-and-harbors-in-the-north-west-coast-of-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/115285.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">210</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">493</span> Phylogeographic Reconstruction of the Tiger Shrimp (Penaeus monodon) Invasion in the Atlantic Ocean: The Role of the Farming Systems in the Marine Biological Invasions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juan%20Carlos%20Aguirre%20Pabon">Juan Carlos Aguirre Pabon</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephen%20Sabatino"> Stephen Sabatino</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20Morris"> James Morris</a>, <a href="https://publications.waset.org/abstracts/search?q=Khor%20Waiho"> Khor Waiho</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Murias"> Antonio Murias</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The tiger shrimp Penaeus monodon is one of the most important species in aquaculture and is native to the Indo-Pacific Ocean. During its greatest success in world production (70s and 80s) was introduced in many Atlantic Ocean countries for cultivation purposes and is currently reported as established in several countries of this area. Because there are no studies to understand the magnitude of the invasion process, this is an exciting opportunity to test evolutionary hypotheses in the context of marine invasions mediated by culture systems; therefore, the purpose of this study was to reconstruct the scenario of invasion of P. monodon in the Atlantic Ocean, by using mitochondrial DNA and eight loci microsatellites. In addition, samples of the invasion area in the Atlantic Ocean (US, Colombia, Venezuela, Brazil, Guienne Bissau, Senegal), the Indo-Pacific Ocean (Indonesia, India, Mozambique), and some cultivation systems (India, Bangladesh, Madagascar) were collected; and analysis of phylogenetic relationships (using some species of the family), genetic diversity, structure population, and demographic changes were performed. High intraspecific divergence in P. semisulcatus and P. monodon were found, high genetic variability in all sites (especially with microsatellites) and the presence of three clusters or populations. In addition, signs of demographic expansion in the culture population and bottlenecks in the invasive and native populations were found, as well as evidence of gene mixtures from all of the populations studied, implying that cropping systems play an essential role in mitigating the negative effects of the founder effect and providing a source of genetic variability that can ensure the success of the invasion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=species%20introduction" title="species introduction">species introduction</a>, <a href="https://publications.waset.org/abstracts/search?q=increased%20variability" title=" increased variability"> increased variability</a>, <a href="https://publications.waset.org/abstracts/search?q=demographic%20changes" title=" demographic changes"> demographic changes</a>, <a href="https://publications.waset.org/abstracts/search?q=promoting%20invasion." title=" promoting invasion."> promoting invasion.</a> </p> <a href="https://publications.waset.org/abstracts/186582/phylogeographic-reconstruction-of-the-tiger-shrimp-penaeus-monodon-invasion-in-the-atlantic-ocean-the-role-of-the-farming-systems-in-the-marine-biological-invasions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186582.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">51</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">492</span> The Study of Ecological Seabirds in Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Baaloudj">A. Baaloudj</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Samraoui"> F. Samraoui</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Samraoui"> B. Samraoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have been studied the reproductive ecology and dispersal of Yellow-legged Gull Larus michahellis for three years 2009-2011. The study of the breeding ecology of the species was undertaken at the Srigina Island (Skikda). The mean clutch size was 2.64±0.62, 2.49±0.72 and 2.37±0.77eggsin the three study years 2009-2011 respectively. Hatching success was similar for the first two years of study (53% in 2009and 54% in 2010) but significantly lower in the third year (27% in 2011). The same trend was found for the fledging success, it was 33% and 32% in 2009and 2010respectivelyandonly 14% in 2011. Cannibalism and predation by cats were the two likely causes of low reproductive success in the third year. Regarding the species dispersal, we started a banding program of the yellow-legged gulls Larus michahellis michahellis in 2009, the first scheme of its kind in North Africa. Banding of chicks was initiated at Skikda and extended, a year later, to four other colonies located along the Algerian coast. Preliminary analysis of ringed yellow-legged gulls from Algerian colonies indicates that juveniles dispersed in a north-westerly direction to the Balearic Sea, the Bay of Biscay, the Alboran Sea and the western Atlantic coast from the Bay of Cadiz to the Galician shores. Preliminary data suggested two distinct routes: gulls from the eastern North African colonies moved N/NW to eastern Spain and overland to the Bay of Biscay, a pattern of dispersal previously reported for birds from Spanish and French western Mediterranean colonies. Juveniles from western colonies seemed also to move N/NW to the Alboran Sea and the Bay of Cadiz. In Spain, where most of the dispersal took place, data suggested that Algerian gulls occupied coastal areas which are used as aestivating refuges before returning to North Africa in late autumn and winter. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breeding%20ecology" title="breeding ecology">breeding ecology</a>, <a href="https://publications.waset.org/abstracts/search?q=population%20dynamic" title=" population dynamic"> population dynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=dispersal" title=" dispersal"> dispersal</a>, <a href="https://publications.waset.org/abstracts/search?q=yellow-legged%20gull%20larus%20michahellis" title=" yellow-legged gull larus michahellis"> yellow-legged gull larus michahellis</a>, <a href="https://publications.waset.org/abstracts/search?q=sea%20bird" title=" sea bird"> sea bird</a>, <a href="https://publications.waset.org/abstracts/search?q=banding%20scheme" title=" banding scheme"> banding scheme</a>, <a href="https://publications.waset.org/abstracts/search?q=Srigina" title=" Srigina"> Srigina</a>, <a href="https://publications.waset.org/abstracts/search?q=Algeria" title=" Algeria"> Algeria</a> </p> <a href="https://publications.waset.org/abstracts/38050/the-study-of-ecological-seabirds-in-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38050.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">203</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">491</span> Distribution of Synechococcus and Prochlorococcus in Southeastern Coast of Peninsular Malaysia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roswati%20Md.%20Amin">Roswati Md. Amin</a>, <a href="https://publications.waset.org/abstracts/search?q=Nurul%20Asmera%20Mudiman"> Nurul Asmera Mudiman</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Faisal%20Abd.%20Rahman"> Muhammad Faisal Abd. Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Md-Suffian%20Idris"> Md-Suffian Idris</a>, <a href="https://publications.waset.org/abstracts/search?q=Noor%20Hazwani%20Mohd%20Azmi"> Noor Hazwani Mohd Azmi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Distribution of picophytoplankton from two genera, Synechococcus and Prochlorococcus at the surface water (0.5m) were observed from coastal to offshore area of the southeastern coast of Peninsular Malaysia, for a six day cruise in August 2014 during SouthWest monsoon. The picophytoplankton was divided into two different size fractions (0.7-2.7μm and <0.7 μm) by filtering through GF/D (2.7 μm) and GF/F (0.7 μm) filter papers and counted by using flow cytometer. Synechococcus and Prochlorococcus contribute higher at 0.7-2.7μm size range (ca. 90% and 95%, respectively) compared to <0.7 μm (ca. 10% and 5%, respectively). Synechococcus (>52%) dominated the total picophytoplankton compared to Prochlorococcus (<26%) for both size fractions in southeastern coast of Peninsular Malaysia. Total density (<2.7 μm) of Synechococcus was ranging between 1.72 x104 and 12.57 x104 cells ml-1, while Prochlorococcus varied from 1.50 x104 to 8.62 x104. Both Synechococcus and Prochlorococcus abundance showed a decreasing trend from coastal to offshore. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Peninsular%20Malaysia" title="Peninsular Malaysia">Peninsular Malaysia</a>, <a href="https://publications.waset.org/abstracts/search?q=prochlorococcus" title=" prochlorococcus"> prochlorococcus</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=synechococcus" title=" synechococcus"> synechococcus</a> </p> <a href="https://publications.waset.org/abstracts/47732/distribution-of-synechococcus-and-prochlorococcus-in-southeastern-coast-of-peninsular-malaysia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47732.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">316</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">490</span> Some Statistical Properties of Residual Sea Level along the Coast of Vietnam</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Doan%20Van%20Chinh">Doan Van Chinh</a>, <a href="https://publications.waset.org/abstracts/search?q=Bui%20Thi%20Kien%20Trinh"> Bui Thi Kien Trinh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper outlines some statistical properties of residual sea level (RSL) at six representative tidal stations located along the coast of Vietnam. It was found that the positive RSL varied on average between 9.82 and 19.96cm and the negative RSL varied on average between -16.62 and -9.02cm. The maximum positive RSL varied on average between 102.8 and 265.5cm with the maximum negative RSL varied on average between -250.4 and -66.4cm. It is seen that the biggest positive RSL ere appeared in the summer months and the biggest negative RSL ere appeared in the winter months. The cumulative frequency of RSL less than 50 cm occurred between 95 and 99% of the times while the frequency of RSL higher than 100 cm accounted for between 0.01 and 0.2%. It also was found that the cumulative frequency of duration of RSL less than 24 hours occurred between 90 and 99% while the frequency of duration longer than 72 hours was in the order of 0.1 and 1%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coast%20of%20Vietnam" title="coast of Vietnam">coast of Vietnam</a>, <a href="https://publications.waset.org/abstracts/search?q=residual%20sea%20level" title=" residual sea level"> residual sea level</a>, <a href="https://publications.waset.org/abstracts/search?q=residual%20water" title=" residual water"> residual water</a>, <a href="https://publications.waset.org/abstracts/search?q=surge" title=" surge"> surge</a>, <a href="https://publications.waset.org/abstracts/search?q=cumulative%20frequency" title=" cumulative frequency"> cumulative frequency</a> </p> <a href="https://publications.waset.org/abstracts/2061/some-statistical-properties-of-residual-sea-level-along-the-coast-of-vietnam" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2061.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">290</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">489</span> Strategic Policy Formulation to Ensure the Atlantic Forest Regeneration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ramon%20F.%20B.%20da%20Silva">Ramon F. B. da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Mateus%20Batistella"> Mateus Batistella</a>, <a href="https://publications.waset.org/abstracts/search?q=Emilio%20Moran"> Emilio Moran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Although the existence of two Forest Transition (FT) pathways, the economic development and the forest scarcity, there are many contexts that shape the model of FT observed in each particular region. This means that local conditions, such as relief, soil quality, historic land use/cover, public policies, the engagement of society in compliance with legal regulations, and the action of enforcement agencies, represent dimensions which combined, creates contexts that enable forest regeneration. From this perspective we can understand the regeneration process of native vegetation cover in the Paraíba Valley (Forest Atlantic biome), ongoing since the 1960s. This research analyzed public information, land use/cover maps, environmental public policies, and interviewed 17 stakeholders from the Federal and State agencies, municipal environmental and agricultural departments, civil society, farmers, aiming comprehend the contexts behind the forest regeneration in the Paraíba Valley, Sao Paulo State, Brazil. The first policy to protect forest vegetation was the Forest Code n0 4771 of 1965, but this legislation did not promote the increase of forest, just the control of deforestation, not enough to the Atlantic Forest biome that reached its highest pick of degradation in 1985 (8% of Atlantic Forest remnants). We concluded that the Brazilian environmental legislation acted in a strategic way to promote the increase of forest cover (102% of regeneration between 1985 and 2011) from 1993 when the Federal Decree n0 750 declared the initial and advanced stages of secondary succession protected against any kind of exploitation or degradation ensuring the forest regeneration process. The strategic policy formulation was also observed in the Sao Paulo State law n0 6171 of 1988 that prohibited the use of fire to manage agricultural landscape, triggering a process of forest regeneration in formerly pasture areas. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=forest%20transition" title="forest transition">forest transition</a>, <a href="https://publications.waset.org/abstracts/search?q=land%20abandonment" title=" land abandonment"> land abandonment</a>, <a href="https://publications.waset.org/abstracts/search?q=law%20enforcement" title=" law enforcement"> law enforcement</a>, <a href="https://publications.waset.org/abstracts/search?q=rural%20economic%20crisis" title=" rural economic crisis"> rural economic crisis</a> </p> <a href="https://publications.waset.org/abstracts/16249/strategic-policy-formulation-to-ensure-the-atlantic-forest-regeneration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16249.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">553</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">488</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">314</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">487</span> Comparing the Trophic Structure of the Moroccan Mediterranean Sea with the Moroccan Atlantic Coast Using Ecopath Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Salma%20Aboussalam">Salma Aboussalam</a>, <a href="https://publications.waset.org/abstracts/search?q=Karima%20Khalil"> Karima Khalil</a>, <a href="https://publications.waset.org/abstracts/search?q=Khalid%20Elkalay"> Khalid Elkalay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To describe the structure, functioning, and state of the Moroccan Mediterranean Sea ecosystem, an Ecopath mass balance model has been applied. The model is based on 31 functional groups, containing 21 fishes, 7 invertebrates, 2 primary producers, and one dead group (detritus), which are considered in this work to explore the trophic interaction. The system's average trophic transfer efficiency was 23%. Both the total primary production and total respiration were calculated to be >1, suggesting that more energy is produced than respired in the system. The structure of our system is based on high respiration and consumption flows. Indicators of ecosystem stability and development showed low values of the Finn cycle index (13.97), system omnivory index (0.18), and average Finn path length (3.09), suggesting that our system is disturbed and has a more linear than web-like trophic structure. The keystone index and mixed trophic impact analysis indicated that other demersal invertebrates, zooplankton, and cephalopods had a tremendous impact on other groups and were recognized as keystone species. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ecopath" title="Ecopath">Ecopath</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20web" title=" food web"> food web</a>, <a href="https://publications.waset.org/abstracts/search?q=trophic%20flux" title=" trophic flux"> trophic flux</a>, <a href="https://publications.waset.org/abstracts/search?q=Moroccan%20Mediterranean%20Sea" title=" Moroccan Mediterranean Sea"> Moroccan Mediterranean Sea</a> </p> <a href="https://publications.waset.org/abstracts/161763/comparing-the-trophic-structure-of-the-moroccan-mediterranean-sea-with-the-moroccan-atlantic-coast-using-ecopath-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161763.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">486</span> Status of Mangrove Wetlands and Implications for Sustainable Livelihood of Coastal Communities on the Lagos Coast (West Africa)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Agboola%20Julius">I. Agboola Julius</a>, <a href="https://publications.waset.org/abstracts/search?q=Christopher%20A.%20Kumolu-Johnson"> Christopher A. Kumolu-Johnson</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Kolade%20Rafiu"> O. Kolade Rafiu</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Saba%20Abdulwakil"> A. Saba Abdulwakil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work elucidates on mangrove diversity, trends of change, factors responsible for loss over the years and implications for sustainable livelihoods of locals in four villages (Ajido (L1), Tarkwa bay (L2), University of Lagos (L3), and Ikosi (L4)) along the coast of Lagos, Nigeria. Primary data were collected through field survey, questionnaires, interviews, and review of existing literature. Field observation and data analysis reveals mangrove diversity as low and varied on a spatial scale, where Margalef’s Diversity Index (D) was 0.368, 0.269, 0.326, and 0.333, respectively for L1, L2, L3, and L4. Shannon Weiner’s Index (H) was estimated to be 1.003, 1.460, 1.160, 1.046, and Specie Richness (E) 0.913, 0.907, 0.858, and 0.015, respectively, for the four villages. Also, The Simpson’s index of diversity was analyzed to be 0.632, 0. 731, 0.647, 0.667, and Simpson’s reciprocal index 2.717, 3.717, 3.060, and 3.003, respectively, for the four villages. Chi-square test was used to analyze the impact of mangrove loss on the sustainable livelihood of coastal communities. Calculated Chi-square (X2) value (5) was higher than tabulated value (4.30), suggesting that loss of mangrove wetlands impacted on local communities’ livelihood at the four villages. Analyses of causes and trends of mangrove wetland loss over the years suggest that urbanization, fuel wood and agricultural activities are major causes. Current degradation observed in mangrove wetlands on the Lagos coast suggest a reduction in mangroves biodiversity and associated fauna with potential cascading effects on higher trophic levels such as fisheries. Low yield in fish catch, reduction in income and increasing cases of natural disaster has culminated in threats to sustainable livelihoods of local communities along the coast of Lagos. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mangroves" title="Mangroves">Mangroves</a>, <a href="https://publications.waset.org/abstracts/search?q=lagos%20coast" title=" lagos coast"> lagos coast</a>, <a href="https://publications.waset.org/abstracts/search?q=fisheries" title=" fisheries"> fisheries</a>, <a href="https://publications.waset.org/abstracts/search?q=management" title=" management"> management</a> </p> <a href="https://publications.waset.org/abstracts/1372/status-of-mangrove-wetlands-and-implications-for-sustainable-livelihood-of-coastal-communities-on-the-lagos-coast-west-africa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1372.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">647</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">485</span> Early Transcriptome Responses to Piscine orthoreovirus-1 in Atlantic salmon Erythrocytes Compared to Salmonid Kidney Cell Lines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thomais%20Tsoulia">Thomais Tsoulia</a>, <a href="https://publications.waset.org/abstracts/search?q=Arvind%20Y.%20M.%20Sundaram"> Arvind Y. M. Sundaram</a>, <a href="https://publications.waset.org/abstracts/search?q=Stine%20Braaen"> Stine Braaen</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%98yvind%20Haugland"> Øyvind Haugland</a>, <a href="https://publications.waset.org/abstracts/search?q=Espen%20Rimstad"> Espen Rimstad</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%98ystein%20%20Wessel"> Øystein Wessel</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20K.%20Dahle"> Maria K. Dahle</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fish red blood cells (RBC) are nucleated, and in addition to their function in gas exchange, they have been characterized as mediators of immune responses. Salmonid RBC are the major target cells of Piscineorthoreovirus (PRV), a virus associated with heart and skeletal muscle inflammation (HSMI) in farmed Atlantic salmon. The activation of antiviral response genesin RBChas previously been described in ex vivo and in vivo PRV-infection models, but not explored in the initial virus encounter phase. In the present study, mRNA transcriptome responses were explored in erythrocytes from individual fish, kept ex vivo, and exposed to purified PRV for 24 hours. The responses were compared to responses in macrophage-like salmon head kidney (SHK-1) and endothelial-like Atlantic salmon kidney (ASK) cells, none of which support PRV replication. The comparative analysis showed that the antiviral response to PRV was strongest in the SHK-1 cells, with a set of 80 significantly induced genes (≥ 2-fold upregulation). In RBC, 46 genes were significantly upregulated, while ASK cells were not significantly responsive. In particular, the transcriptome analysis of RBC revealed that PRV significantly induced interferon regulatory factor 1 (IRF1) and interferon-induced protein with tetratricopeptide repeats 5-like (IFIT9). However, several interferon-regulated antiviral genes which have previously been reported upregulated in PRV infected RBC in vivo (myxovirus resistance (Mx), interferon-stimulated gene 15 (ISG15), toll-like receptor 3 (TLR3)), were not significantly induced after 24h of virus stimulation. In contrast to RBC, these antiviral response genes were significantly upregulated in SHK-1. These results confirm that RBC are involved in the innate immune response to viruses, but with a delayed antiviral response compared to SHK-1. A notable difference is that interferon regulatory factor 1 (IRF-1) is the most strongly induced gene in RBC, but not among the significantly induced genes in SHK-1. Putative differences in the binding, recognition, and response to PRV, and any link to effects on the ability of PRV to replicate remains to be explored. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antiviral%20responses" title="antiviral responses">antiviral responses</a>, <a href="https://publications.waset.org/abstracts/search?q=atlantic%20salmon" title=" atlantic salmon"> atlantic salmon</a>, <a href="https://publications.waset.org/abstracts/search?q=piscine%20%20orthoreovirus-1" title=" piscine orthoreovirus-1"> piscine orthoreovirus-1</a>, <a href="https://publications.waset.org/abstracts/search?q=red%20blood%20cells" title=" red blood cells"> red blood cells</a>, <a href="https://publications.waset.org/abstracts/search?q=RNA-seq" title=" RNA-seq"> RNA-seq</a> </p> <a href="https://publications.waset.org/abstracts/144712/early-transcriptome-responses-to-piscine-orthoreovirus-1-in-atlantic-salmon-erythrocytes-compared-to-salmonid-kidney-cell-lines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144712.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">189</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">484</span> Identification of Shark Species off The Nigerian Coast Using DNA Barcoding</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20O.%20Fola-Matthews">O. O. Fola-Matthews</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20O.%20Soyinka"> O. O. Soyinka</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20N.%20Bitalo"> D. N. Bitalo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nigeria is one of the major shark fishing nations in Africa, but its fisheries managers still record catch data in aggregates ‘sharks’ with no species-specific details. This is because most of the shark specimens look identical in morphology, and field identification of some closely related species is tricky. This study uses DNA barcoding as a method to identify shark species from five different landing areas off the Nigerian Coast. 100 dorsal fins were sampled in order to provide a Chondrichthyan sequence that would be matched to reference specimens in a DNA barcode database <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BOLD" title="BOLD">BOLD</a>, <a href="https://publications.waset.org/abstracts/search?q=DNA%20barcoding" title=" DNA barcoding"> DNA barcoding</a>, <a href="https://publications.waset.org/abstracts/search?q=nigeria" title=" nigeria"> nigeria</a>, <a href="https://publications.waset.org/abstracts/search?q=sharks" title=" sharks"> sharks</a> </p> <a href="https://publications.waset.org/abstracts/143574/identification-of-shark-species-off-the-nigerian-coast-using-dna-barcoding" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143574.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">166</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">483</span> Characterization of Shorebird Populations in the Algerian Coast</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Imad%20Eddine%20Rezouani">Imad Eddine Rezouani</a>, <a href="https://publications.waset.org/abstracts/search?q=Khalil%20Draidi"> Khalil Draidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Badis%20bakhouche"> Badis bakhouche</a>, <a href="https://publications.waset.org/abstracts/search?q=Selman%20Anes%20Chabani"> Selman Anes Chabani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Algerian coast is an important site for wintering and migratory birds. Four species of shorebirds were surveyed, including Kentish plover Charadrius alexandrinus, Little ringed plover Charadrius dubius, Common ringed plover Charadrius hiaticula, and black-winged stilt Himantopus hilarious in three different sites, two important wetlands: Reghaia lake and Macta and a small area Sublette promenade to provide a new data about time activity budget. The study found a higher frequency of abundance in April during the study period (February to May), with a mean of 49. Estimating the temporal activity budget of these coastal birds, it was found that there were three main activities in different proportions between males and females: Pecking (29.51 ％) for males, (26.59％) for females, Looking above (28.01％) for males, (19.54 ％) for females And Away (9.95％) for males, (11.75％), contrarily the two previous one. Differences between study areas revealed differences in species behavior and distribution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wetland" title="wetland">wetland</a>, <a href="https://publications.waset.org/abstracts/search?q=behavioral" title=" behavioral"> behavioral</a>, <a href="https://publications.waset.org/abstracts/search?q=algerian%20coast" title=" algerian coast"> algerian coast</a>, <a href="https://publications.waset.org/abstracts/search?q=shorebirds" title=" shorebirds"> shorebirds</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20budget%20activity" title=" time budget activity"> time budget activity</a> </p> <a href="https://publications.waset.org/abstracts/182040/characterization-of-shorebird-populations-in-the-algerian-coast" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182040.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">61</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">482</span> Mite Soil as Biological Indicators the Quality of the Soil in the Forested Area of the Coast of Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Soumeya%20Fekkoun">Soumeya Fekkoun</a>, <a href="https://publications.waset.org/abstracts/search?q=Djelloul%20%20Ghezali"> Djelloul Ghezali</a>, <a href="https://publications.waset.org/abstracts/search?q=Doumandji%20Salaheddine"> Doumandji Salaheddine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The majority of the mite soil contributes to decompose the organic matter in the soil, the richness or poverty is a way of knowing the quality of the soil, in this regard we studied the ecological side of the soil mite in a forest park «coast of Algeria». 6 by taking soil samples every month for the year 2010/2011 .The samples are collected and extracted using the technique of Berlese Tullgren. It was obtained 604 individuals. These riches can indicate the fertility of soil and knead the high proportion of organic material in it. The largest number observed in the spring, followed by the separation of the 252 individuals fall 222 individuals and then the summer with 106 individuals and winter 80 individuals. Among the 18 families obtained. Scheloribatidae is the most dominant with 30.6% followed by Ceratozetidae with 16%, then Euphthiracaridae 14%. The families remain involved with low percentages. the diversity index Schanonweaver varied between 2.3 bits in the summer and 3.83 bits in the spring. As the results of the analysis statistic confirm the existence of a clear difference between the four seasons and the richness of soil mite and diversity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=soil%20mite" title="soil mite">soil mite</a>, <a href="https://publications.waset.org/abstracts/search?q=forest" title=" forest"> forest</a>, <a href="https://publications.waset.org/abstracts/search?q=coast%20of%20Algeria" title=" coast of Algeria"> coast of Algeria</a>, <a href="https://publications.waset.org/abstracts/search?q=diversity" title=" diversity"> diversity</a> </p> <a href="https://publications.waset.org/abstracts/23947/mite-soil-as-biological-indicators-the-quality-of-the-soil-in-the-forested-area-of-the-coast-of-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23947.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">407</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=atlantic%20coast&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=atlantic%20coast&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=atlantic%20coast&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=atlantic%20coast&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=atlantic%20coast&page=6">6</a></li> <li class="page-item"><a class="page-link" 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