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ecotoxicology</title> <meta name="description" content="Search results for: marine ecotoxicology"> <meta name="keywords" content="marine ecotoxicology"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="marine ecotoxicology"> <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> 848</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: marine ecotoxicology</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">848</span> Effect of Chain Length on Skeletonema pseudocostatum as Probed by THz Spectroscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ruqyyah%20Mushtaq">Ruqyyah Mushtaq</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiacar%20Gamberdella"> Chiacar Gamberdella</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Miroglio"> Roberta Miroglio</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabio%20Novelli"> Fabio Novelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Domenica%20Papro"> Domenica Papro</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Paturzo"> M. Paturzo</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Rubano"> A. Rubano</a>, <a href="https://publications.waset.org/abstracts/search?q=Angela%20Sardo"> Angela Sardo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microalgae, particularly diatoms, are well suited for monitoring environmental health, especially in assessing the quality of seas and rivers in terms of organic matter, nutrients, and heavy metal pollution. They respond rapidly to changes in habitat quality. In this study, we focused on Skeletonema pseudocostatum, a unicellular alga that forms chains depending on environmental conditions. Specifically, we explored whether metal toxicants could affect the growth of these algal chains, potentially serving as an ecotoxicological indicator of heavy metal pollution. We utilized THz spectroscopy in conjunction with standard optical microscopy to observe the formation of these chains and their response to toxicants. Despite the strong absorption of terahertz radiation in water, we demonstrate that changes in water absorption in the terahertz range due to water-diatom interaction can provide insights into diatom chain length. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=THz-TDS%20spectroscopy" title="THz-TDS spectroscopy">THz-TDS spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=diatoms" title=" diatoms"> diatoms</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20ecotoxicology" title=" marine ecotoxicology"> marine ecotoxicology</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20pollution" title=" marine pollution"> marine pollution</a> </p> <a href="https://publications.waset.org/abstracts/188473/effect-of-chain-length-on-skeletonema-pseudocostatum-as-probed-by-thz-spectroscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188473.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">31</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">847</span> Human Error Analysis in the USA Marine Accidents Reports</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20S%C3%A1nchez-Beaskoetxea">J. Sánchez-Beaskoetxea</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The analysis of accidents, such as marine accidents, is one of the most useful instruments to avoid future accidents. In the case of marine accidents, from a simple collision of a small boat in a port to the wreck of a gigantic tanker ship, the study of the causes of the accidents is the basis of a great part of the marine international legislation. Some countries have official institutions who investigate all the accidents in which a ship with their flag is involved. In the case of the USA, the National Transportation Safety Board (NTSB) is responsible for these researches. The NTSB, after a deep investigation into each accident, publishes a Marine Accident Report with the possible cause of the accident. This paper analyses all the Marine Accident Reports published by the NTBS and focuses its attention especially in the Human Errors that led to reported accidents. In this research, the different Human Errors made by crew members are cataloged in 10 different groups. After a complete analysis of all the reports, the statistical analysis on the Human Errors typology in marine accidents is presented in order to use it as a tool to avoid the same errors in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20error" title="human error">human error</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20accidents" title=" marine accidents"> marine accidents</a>, <a href="https://publications.waset.org/abstracts/search?q=ship%20crew" title=" ship crew"> ship crew</a>, <a href="https://publications.waset.org/abstracts/search?q=USA" title=" USA"> USA</a> </p> <a href="https://publications.waset.org/abstracts/63273/human-error-analysis-in-the-usa-marine-accidents-reports" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63273.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">419</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">846</span> Mapping the Technological Interventions to the National Action Plan for Marine Litter Management 2018-2025: Addressing the Marine Plastic Litter at the Marine Tourism Destinations in Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kaisar%20Akhir">Kaisar Akhir</a>, <a href="https://publications.waset.org/abstracts/search?q=Azhar%20Slamet"> Azhar Slamet</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aims to provide recommendations for addressing marine plastic litter at the ocean tourism destinations in Indonesia sustainably through technological interventions in the framework of the National Action Plan for Marine Litter Management 2018-2025. In Indonesia, marine tourism is a rapidly growing economic sector. However, marine tourism destinations are facing a global challenge called marine plastic litter. Marine plastic litter is a threat to those destinations since it has potential impacts on the reduction of marine environmental sustainability, the health of tourists and local communities as well as tourism business income. Since 2018, the Indonesian government has passed and promulgated the National Plan of Action on Marine Litter Management 2018-2025. This national action plan consists of three important key aspects of interventions (i.e., societal effort, technological application, and institutional coordination) and five strategies for addressing marine litter in Indonesia, in particular, to address 70% of marine plastic litter by 2025. The strategies include 1) National movement for raising awareness of stakeholders, 2) Land-based litter management, 3) Litter management at the sea and coasts, 4) Funding mechanism, institutional strengthening, monitoring, and law enforcement, and 5) Research and development. In this study, technological interventions around the world and in Indonesia are reviewed and analyzed on their relevance to the national action plan based on five criteria. As a result, there are twelve kinds of technological interventions recommended to be implemented for addressing marine plastic litter in the marine tourism destinations in Indonesia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marine%20litter%20management" title="marine litter management">marine litter management</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20plastic%20litter" title=" marine plastic litter"> marine plastic litter</a>, <a href="https://publications.waset.org/abstracts/search?q=national%20action%20plan" title=" national action plan"> national action plan</a>, <a href="https://publications.waset.org/abstracts/search?q=ocean%20sustainability" title=" ocean sustainability"> ocean sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=ocean%20tourism%20destination" title=" ocean tourism destination"> ocean tourism destination</a>, <a href="https://publications.waset.org/abstracts/search?q=technological%20interventions" title=" technological interventions"> technological interventions</a> </p> <a href="https://publications.waset.org/abstracts/121597/mapping-the-technological-interventions-to-the-national-action-plan-for-marine-litter-management-2018-2025-addressing-the-marine-plastic-litter-at-the-marine-tourism-destinations-in-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121597.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">845</span> Prediction of Marine Ecosystem Changes Based on the Integrated Analysis of Multivariate Data Sets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Prozorkevitch%20D.">Prozorkevitch D.</a>, <a href="https://publications.waset.org/abstracts/search?q=Mishurov%20A."> Mishurov A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Sokolov%20K."> Sokolov K.</a>, <a href="https://publications.waset.org/abstracts/search?q=Karsakov%20L."> Karsakov L.</a>, <a href="https://publications.waset.org/abstracts/search?q=Pestrikova%20L."> Pestrikova L.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current body of knowledge about the marine environment and the dynamics of marine ecosystems includes a huge amount of heterogeneous data collected over decades. It generally includes a wide range of hydrological, biological and fishery data. Marine researchers collect these data and analyze how and why the ecosystem changes from past to present. Based on these historical records and linkages between the processes it is possible to predict future changes. Multivariate analysis of trends and their interconnection in the marine ecosystem may be used as an instrument for predicting further ecosystem evolution. A wide range of information about the components of the marine ecosystem for more than 50 years needs to be used to investigate how these arrays can help to predict the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=barents%20sea%20ecosystem" title="barents sea ecosystem">barents sea ecosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=abiotic" title=" abiotic"> abiotic</a>, <a href="https://publications.waset.org/abstracts/search?q=biotic" title=" biotic"> biotic</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20sets" title=" data sets"> data sets</a>, <a href="https://publications.waset.org/abstracts/search?q=trends" title=" trends"> trends</a>, <a href="https://publications.waset.org/abstracts/search?q=prediction" title=" prediction"> prediction</a> </p> <a href="https://publications.waset.org/abstracts/148270/prediction-of-marine-ecosystem-changes-based-on-the-integrated-analysis-of-multivariate-data-sets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148270.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">117</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">844</span> Horizon Scanning of Disruptive Technology Trends in Marine for 2030 Horizon </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jose%20Gonzalez">Jose Gonzalez</a>, <a href="https://publications.waset.org/abstracts/search?q=Fai%20Cheng"> Fai Cheng</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivy%20Fan"> Ivy Fan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Shipping has a mature and ever expanding worldwide market. The future of the marine industry itself is not only irrevocably linked with the global economic, social, and political landscape; it is also subject to the technological developments in different fields. Some of them may have never been linked to the marine industry before. Companies in the marine sector are getting more dependent on technologies to achieve competitive advantage in an increasing open market. Technologies can be fused across different business functions and geopolitical influences. A successful marine business should be prepared to embrace such potential changes that lie ahead. The present paper intends to articulate long-term marine technology strategies from an industrial perspective. Methodology and current development are introduced. The paper will also provide insight into future technological trends demand for major commercial ship types. It may also assist different stakeholders in tailoring their long-term strategies to achieve a Sea Change and to uncap opportunity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=commercial%20sector" title="commercial sector">commercial sector</a>, <a href="https://publications.waset.org/abstracts/search?q=marine" title=" marine"> marine</a>, <a href="https://publications.waset.org/abstracts/search?q=trends" title=" trends"> trends</a>, <a href="https://publications.waset.org/abstracts/search?q=technology" title=" technology"> technology</a> </p> <a href="https://publications.waset.org/abstracts/44157/horizon-scanning-of-disruptive-technology-trends-in-marine-for-2030-horizon" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44157.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">409</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">843</span> Challenges of Sustainable Marine Fishing in Ghana</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eric%20K.%20W.%20Aikins">Eric K. W. Aikins</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Traditionally, Ghana is a marine fishing country. The fishing industry dominated by artisanal marine fishing helps Ghana to meet its fish and protein requirements. Also, it provides employment for most coastal dwellers that depend on fishing as their main economic enterprise. Nonetheless, the marine fishing industry is confronted with challenges that have contributed to a declining fish production in recent past decade. Bad fishing practices and the general limited knowledge on sustainable management of fisheries resources are the limiting factors that affect sustainable fish production and sustainable marine biodiversity management in Ghana. This paper discusses the challenges and strategies for attaining and maintaining sustainable marine fishing in Ghana as well as the state of marine fishing in Ghana. It concludes that an increase in the level of involvement of local fishers in the management of fisheries resources of the country could help local fishers to employ sustainable fisheries resources exploitation methods that could result in an improvement in the spatio-economic development and wellbeing of affected fishing communities in particular and Ghana in general. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pair%20trawling" title="pair trawling">pair trawling</a>, <a href="https://publications.waset.org/abstracts/search?q=sargassum" title=" sargassum"> sargassum</a>, <a href="https://publications.waset.org/abstracts/search?q=spatio-economic%20development" title=" spatio-economic development"> spatio-economic development</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20marine%20fishing" title=" sustainable marine fishing"> sustainable marine fishing</a> </p> <a href="https://publications.waset.org/abstracts/86329/challenges-of-sustainable-marine-fishing-in-ghana" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86329.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">295</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">842</span> Gender Inequality on Marine Tourism Development in Small Island</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khodijah%20Ismail">Khodijah Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=Elfindri"> Elfindri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tourism development have many environmental, economically and sociocultural benefits. Small islands have a lot of potential for marine tourism development. But, stereotype gender issues still dominate the social and cultural life of rural communities that have an impact on the gap in benefits of local development. The purpose of this study is to found development strategy concept of marine tourism in small islands gender-based. This study found in the marine tourism development of small islands not involved women, from planning to monitor marine tourism development in small islands. It's affects to the low of socio-economic of women in the coastal village and small islands. This condition is not advantage for sustainable development of marine tourism in small islands. Therefore, strengthening of livelihood assets by gender based through the marine tourism development in small islands is very important to attention, that women can contributed to household welfare, bargaining positioned in social culture was better and increase broad access to local government development policies. To realize it requires the full support of the government and relevant stakeholders through gender empowerment and strengthening of accessibility, connectivity, regulation, and design institution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gender%20inequality" title="gender inequality">gender inequality</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20tourism" title=" marine tourism"> marine tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=development" title=" development"> development</a>, <a href="https://publications.waset.org/abstracts/search?q=tourism%20management" title=" tourism management"> tourism management</a> </p> <a href="https://publications.waset.org/abstracts/28179/gender-inequality-on-marine-tourism-development-in-small-island" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28179.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">485</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">841</span> System for Monitoring Marine Turtles Using Unstructured Supplementary Service Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADs%20Pina">Luís Pina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The conservation of marine biodiversity keeps ecosystems in balance and ensures the sustainable use of resources. In this context, technological resources have been used for monitoring marine species to allow biologists to obtain data in real-time. There are different mobile applications developed for data collection for monitoring purposes, but these systems are designed to be utilized only on third-generation (3G) phones or smartphones with Internet access and in rural parts of the developing countries, Internet services and smartphones are scarce. Thus, the objective of this work is to develop a system to monitor marine turtles using Unstructured Supplementary Service Data (USSD), which users can access through basic mobile phones. The system aims to improve the data collection mechanism and enhance the effectiveness of current systems in monitoring sea turtles using any type of mobile device without Internet access. The system will be able to report information related to the biological activities of marine turtles. Also, it will be used as a platform to assist marine conservation entities to receive reports of illegal sales of sea turtles. The system can also be utilized as an educational tool for communities, providing knowledge and allowing the inclusion of communities in the process of monitoring marine turtles. Therefore, this work may contribute with information to decision-making and implementation of contingency plans for marine conservation programs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GSM" title="GSM">GSM</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20biology" title=" marine biology"> marine biology</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20turtles" title=" marine turtles"> marine turtles</a>, <a href="https://publications.waset.org/abstracts/search?q=unstructured%20supplementary%20service%20data%20%28USSD%29" title=" unstructured supplementary service data (USSD)"> unstructured supplementary service data (USSD)</a> </p> <a href="https://publications.waset.org/abstracts/92598/system-for-monitoring-marine-turtles-using-unstructured-supplementary-service-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92598.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">206</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">840</span> Secondary Metabolites from Turkish Marine-Derived Fungi Hypocrea nigricans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Heydari">H. Heydari</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Konuklugil"> B. Konuklugil</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Proksch"> P. Proksch</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marine-derived fungi can produce interesting bioactive secondary metabolites that can be considered the potential for drug development. Turkey is a country of a peninsula surrounded by the Black Sea at the north, the Aegean Sea at the west, and the Mediterranean Sea at the south. Despite the approximately 8400 km of coastline, studies on marine secondary metabolites and their biological activity are limited. In our ongoing search for new natural products with different bioactivities produced by the marine-derived fungi, we have investigated secondary metabolites of Turkish collection of the marine sea slug (Peltodoris atromaculata) associated fungi Hypocrea nigricans collected from Seferihisar in the Egean sea. According to the author’s best knowledge, no study was found on this fungal species in terms of secondary metabolites. Isolated from ethyl acetate extract of the culture of Hypocrea nigricans were (isodihydroauroglaucin,tetrahydroauroglaucin and dihydroauroglaucin. The structures of the compounds were established based on an NMR and MS analysis. Structural elucidation of another isolated secondary metabolite/s continues. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hypocrea%20nigricans" title="Hypocrea nigricans">Hypocrea nigricans</a>, <a href="https://publications.waset.org/abstracts/search?q=isolation" title=" isolation"> isolation</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20fungi" title=" marine fungi"> marine fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20metabolites" title=" secondary metabolites"> secondary metabolites</a> </p> <a href="https://publications.waset.org/abstracts/113549/secondary-metabolites-from-turkish-marine-derived-fungi-hypocrea-nigricans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/113549.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">162</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">839</span> Marine Litter Dispersion in the Southern Shores of the Caspian Sea (Case Study: Mazandaran Province)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Siamak%20Jamshidi">Siamak Jamshidi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the major environmental problems in the southern coasts of the Caspian Sea is that the marine and coastal debris is being deposited and accumulated due to industrial, urban and tourism activities. Study, sampling and analysis on the type, size, amount and origin of human-made (anthropogenic) waste in the coastal areas of this sea can be very effective in implementing management, cultural and informative programs to reduce marine environmental pollutants. Investigation on marine litter distribution under impact of seawater dynamics was performed for the first time in this research. The rate of entry and distribution of marine and coastal pollutants and wastes, which are mainly of urban, tourist and hospital origin, has multiplied on the southern shore of the Caspian Sea in the last decade. According to the results, the two most important sources of hospital waste in the coastal areas are Tonekabon and Mahmoudabad. In this case, the effect of dynamic parameters of seawater such as flow (with speeds of up to about 1 m/s) and waves, as well as the flow of rivers leading to the shoreline are also influential factors in the distribution of marine litter in the region. Marine litters in the southern coastal region were transported from west to east by the shallow waters of the southern Caspian Sea. In other words, the marine debris density has been observed more in the eastern part. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=southern%20shelf" title="southern shelf">southern shelf</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20oceanography" title=" coastal oceanography"> coastal oceanography</a>, <a href="https://publications.waset.org/abstracts/search?q=seawater%20flow" title=" seawater flow"> seawater flow</a>, <a href="https://publications.waset.org/abstracts/search?q=vertical%20structure" title=" vertical structure"> vertical structure</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20environment" title=" marine environment"> marine environment</a> </p> <a href="https://publications.waset.org/abstracts/173438/marine-litter-dispersion-in-the-southern-shores-of-the-caspian-sea-case-study-mazandaran-province" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173438.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">71</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">838</span> Large Amplitude Free Vibration of a Very Sag Marine Cable</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20Punjarat">O. Punjarat</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Chucheepsakul"> S. Chucheepsakul</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Phanyasahachart"> T. Phanyasahachart</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper focuses on a variational formulation of large amplitude free vibration behavior of a very sag marine cable. In the static equilibrium state, the marine cable has a very large sag configuration. In the motion state, the marine cable is assumed to vibrate in in-plane motion with large amplitude from the static equilibrium position. The total virtual work-energy of the marine cable at the dynamic state is formulated which involves the virtual strain energy due to axial deformation, the virtual work done by effective weight, and the inertia forces. The equations of motion for the large amplitude free vibration of marine cable are obtained by taking into account the difference between the Euler’s equation in the static state and the displaced state. Based on the Galerkin finite element procedure, the linear and nonlinear stiffness matrices, and mass matrices of the marine cable are obtained and the eigenvalue problem is solved. The natural frequency spectrum and the large amplitude free vibration behavior of marine cable are presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=axial%20deformation" title="axial deformation">axial deformation</a>, <a href="https://publications.waset.org/abstracts/search?q=free%20vibration" title=" free vibration"> free vibration</a>, <a href="https://publications.waset.org/abstracts/search?q=Galerkin%20finite%20element%20method" title=" Galerkin finite element method"> Galerkin finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=large%20amplitude" title=" large amplitude"> large amplitude</a>, <a href="https://publications.waset.org/abstracts/search?q=variational%20method" title=" variational method"> variational method</a> </p> <a href="https://publications.waset.org/abstracts/114132/large-amplitude-free-vibration-of-a-very-sag-marine-cable" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114132.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">254</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">837</span> Composition and Distribution of Seabed Marine Litter Along Algerian Coast (Western Mediterranean)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Inal">Ahmed Inal</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Rouidi"> Samir Rouidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Bachouche"> Samir Bachouche</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study is focused on the distribution and composition of seafloor marine litter associated to trawlable fishing areas along Algerian coast. The sampling was done with a GOC73 bottom trawl during four (04) demersal resource assessment cruises, respectively, in 2016, 2019, 2021 and 2022, carried out on board BELKACEM GRINE R/V. A total of 254 fishing hauls were sampled for the assessment of marine litter. Hauls were performed between 22 and 600 m of depth, the duration was between 30 and 60 min. All sampling was conducted during daylight. After the haul, marine litter was sorted and split from the catch. Then, according to the basis of the MEDITS protocol, litters were sorted into six different categories (plastic, rubber, metal, wood, glass and natural fiber). Thereafter, all marine litter were counted and weighed separately to the nearest 0.5 g. The results shows that the maximums of marine litter densities in the seafloor of the trawling fishing areas along Algerian coast are, respectively, 1996 item/km2 in 2016, 5164 item/km2 in 2019, 2173 item/km2 in 2021 and 7319 item/km2 in 2022. Thus, the plastic is the most abundant litter, it represent, respectively, 46% of marine litter in 2016, 67% in 2019, 69% in 2021 and 74% in 2022. Regarding the weight of the marine litter, it varies between 0.00 and 103 kg in 2016, between 0.04 and 81 kg in 2019, between 0.00 and 68 Kg in 2021 and between 0.00 and 318 kg in 2022. Thus, the maximum rate of marine litter compared to the total catch approximate, respectively, 66% in 2016, 90% in 2019, 65% in 2021 and 91% in 2022. In fact, the average loss in catch is estimated, respectively, at 7.4% in 2016, 8.4% in 2019, 5.7% in 2021 and 6.4% in 2022. However, the bathymetric and geographical variability had a significant impact on both density and weight of marine litter. Marine litter monitoring program is necessary for offering more solution proposals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composition" title="composition">composition</a>, <a href="https://publications.waset.org/abstracts/search?q=distribution" title=" distribution"> distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=seabed" title=" seabed"> seabed</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20litter" title=" marine litter"> marine litter</a>, <a href="https://publications.waset.org/abstracts/search?q=algerian%20coast" title=" algerian coast"> algerian coast</a> </p> <a href="https://publications.waset.org/abstracts/176734/composition-and-distribution-of-seabed-marine-litter-along-algerian-coast-western-mediterranean" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176734.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">68</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">836</span> Harmonization of State Law and Local Laws in Coastal and Marine Areas Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20S.%20B.%20Ambarini">N. S. B. Ambarini</a>, <a href="https://publications.waset.org/abstracts/search?q=Tito%20Sofyan"> Tito Sofyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Edra%20Satmaidi"> Edra Satmaidi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Coastal and marine are two potential natural resource one of the pillars of the national economy. The Indonesian archipelago has marine and coastal which is quite spacious. Various important natural resources such as fisheries, mining and so on are in coastal areas and the sea, so that this region is a unique area with a variety of interests to exploit it. Therefore, to preserve a sustainable manner need good management and comprehensive. To the national and local level legal regulations have been published relating to the management of coastal and marine areas. However, in practice it has not been able to function optimally. Substantially has not touched the problems of the region, especially concerning the interests of local communities (local). This study is a legal non-doctrinal approach to socio-legal studies. Based on the results of research in some coastal and marine areas in Bengkulu province - Indonesia, there is a fact that the system of customary law and local wisdom began to weaken implementation. Therefore harmonization needs to be done in implementing laws and regulations that apply to the values of indigenous and local knowledge that exists in the community. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coastal%20and%20marine" title="coastal and marine">coastal and marine</a>, <a href="https://publications.waset.org/abstracts/search?q=harmonization" title=" harmonization"> harmonization</a>, <a href="https://publications.waset.org/abstracts/search?q=law" title=" law"> law</a>, <a href="https://publications.waset.org/abstracts/search?q=local" title=" local"> local</a> </p> <a href="https://publications.waset.org/abstracts/67614/harmonization-of-state-law-and-local-laws-in-coastal-and-marine-areas-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67614.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">347</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">835</span> Combined Effects of Microplastics and Climate Change on Marine Life</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vikrant%20Sinha">Vikrant Sinha</a>, <a href="https://publications.waset.org/abstracts/search?q=Himanshu%20Singh"> Himanshu Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Nitish%20Kumar%20Singh"> Nitish Kumar Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Sujal%20Nag"> Sujal Nag</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research creates an urgent and complex challenge for marine ecosystems. Microplastics were primarily found on land, but now they are pervasive in marine environments as well, affecting a wide range of marine species, from zooplankton to larger mammals that live in those environments. These pollutants interfere with major biological processes like feeding and reproduction, causing disruption throughout the food web as microplastics are getting accumulated at different tropic levels. Meanwhile, climatic changes made these effects more accelerated, and the concentration of microplastics due to these occurrences is increasing day by day. Rising temperatures, melting ice, increased runoff due to rainfall, and shifting wind patterns are transforming marine life in a way that intensifies the burden on marine life. This dual stress is particularly present in fragile ecosystems of marine life, such as coral reefs and mangroves. Addressing this twisted crisis requires not only efforts to restrain plastic pollution but also adapts strategies for climate mitigation. This research emphasizes the critical need to combine approaches to save marine biodiversity and withstand the rapid changes in the environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microplastic%20pollution" title="microplastic pollution">microplastic pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change%20impacts" title=" climate change impacts"> climate change impacts</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20ecosystems" title=" marine ecosystems"> marine ecosystems</a>, <a href="https://publications.waset.org/abstracts/search?q=biodiversity%20threats" title=" biodiversity threats"> biodiversity threats</a>, <a href="https://publications.waset.org/abstracts/search?q=zooplankton%20ingestion" title=" zooplankton ingestion"> zooplankton ingestion</a>, <a href="https://publications.waset.org/abstracts/search?q=trophic%20accumulation" title=" trophic accumulation"> trophic accumulation</a>, <a href="https://publications.waset.org/abstracts/search?q=coral%20reef%20degradation" title=" coral reef degradation"> coral reef degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=ecosystem%20resilience" title=" ecosystem resilience"> ecosystem resilience</a>, <a href="https://publications.waset.org/abstracts/search?q=plastic%20pollution%20mitigation" title=" plastic pollution mitigation"> plastic pollution mitigation</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20adaptation%20strategies" title=" climate adaptation strategies"> climate adaptation strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=SST" title=" SST"> SST</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/194134/combined-effects-of-microplastics-and-climate-change-on-marine-life" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/194134.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">10</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">834</span> Bonding Capacity of GFRP Sheet on Strengthen Concrete Beams After Influenced the Marine Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mufti%20Amir%20Sultan">Mufti Amir Sultan</a>, <a href="https://publications.waset.org/abstracts/search?q=Rudy%20Djamaluddin"> Rudy Djamaluddin</a>, <a href="https://publications.waset.org/abstracts/search?q=Rita%20Irmawaty"> Rita Irmawaty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Structures built in aggressive environments such as in the sea/marine environment need to be carefully designed, due to the possibility of chloride ion penetration into the concrete. One way to reduce the strength degradation in such environment is to use FRP, which is attached to the surface of reinforced concrete using epoxy. A series of the specimen of reinforced concrete beams with dimension 100×120×600 mm were casted. Beams were immersed in the sea for 3 months (BL3), 6 months (BL6), and 12 months (BL12). Three specimens were prepared control beam without immersion to the sea (B0). The study presented is focused on determining the effect of the marine environment to the capacity of GFRP as flexural external reinforcement elements. The result indicated that the bonding capacity of BL3, BL6, and BL12 compared to B0 decreased for 7.91%, 11.99%, and 37.83%, respectively. The decreasing was caused by the weakening of the bonding capacity GFRP due to the influence of the marine environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flexural" title="flexural">flexural</a>, <a href="https://publications.waset.org/abstracts/search?q=GFRP" title=" GFRP"> GFRP</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20environment" title=" marine environment"> marine environment</a>, <a href="https://publications.waset.org/abstracts/search?q=bonding%20capacity" title=" bonding capacity "> bonding capacity </a> </p> <a href="https://publications.waset.org/abstracts/33803/bonding-capacity-of-gfrp-sheet-on-strengthen-concrete-beams-after-influenced-the-marine-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33803.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">353</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">833</span> System Engineering Design of Offshore Oil Drilling Production Platform from Marine Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Njoku%20Paul">C. Njoku Paul </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with systems engineering applications design for offshore oil drilling production platform in the Nigerian Marine Environment. Engineering Design model of the distribution and accumulation of petroleum hydrocarbons discharged into marine environment production platform and sources of impact of an offshore is treated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=design%20of%20offshore%20oil%20drilling%20production%20platform" title="design of offshore oil drilling production platform">design of offshore oil drilling production platform</a>, <a href="https://publications.waset.org/abstracts/search?q=marine" title=" marine"> marine</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/abstracts/search?q=petroleum%20hydrocarbons" title=" petroleum hydrocarbons"> petroleum hydrocarbons</a> </p> <a href="https://publications.waset.org/abstracts/26646/system-engineering-design-of-offshore-oil-drilling-production-platform-from-marine-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26646.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">541</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">832</span> Bioprospecting of Marine Actinobacteria: The Leading Way for Industrially Important Enzymes and Bioactive Natural Products</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ramesh%20Subramani">Ramesh Subramani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathivanan%20Narayanasamy"> Mathivanan Narayanasamy</a>, <a href="https://publications.waset.org/abstracts/search?q=William%20Aalbersberg"> William Aalbersberg</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is well accepted by last 35 years of research and on-going programmes that marine environment harbours abundant and unique biodiversity, which is currently playing as an important source in bioprospecting. It has become apparent that marine microorganisms are lead in the biodiscovery. Among marine organisms, actinobacteria are a target phylum for discovering novel antibiotics against increasing the multi-drug resistant human pathogens because of these taxa representing for novel genera and species. Marine actinomycetes are a proven source of new antibiotic leads and novel enzymes with important industrial applications. A total of 183 streptomycete and 25 non-streptomycete strains were isolated from different marine samples collected from north-eastern part of the Indian Ocean. Among them, 111 isolates displayed antibacterial activity against human pathogens and 151 exhibited antifungal activity against phytopathogens. Importantly, most of them produced various extracellular enzymes and 58 of them produced exopolysaccharides. Totally eight small bioactive compounds and a thermostable alkaline protease have been purified from a selected strain, Streptomyces fungicidicus. Besides, our on-going studies on non-streptomycete strains (rare actinomycetes) are most likely promising resource for new and unique compounds against current emerging drug-resistant pathogens. We have just recognised the chemical diversity in marine microorganisms. Therefore it is worthwhile to continue the exploration of marine microorganisms for new drug leads, novel enzymes and other bioprospecting research. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioactive%20compounds" title="bioactive compounds">bioactive compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=industrial%20enzymes" title=" industrial enzymes"> industrial enzymes</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20actinobacteria" title=" marine actinobacteria"> marine actinobacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=microbial%20metabolites" title=" microbial metabolites"> microbial metabolites</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20natural%20products" title=" marine natural products"> marine natural products</a> </p> <a href="https://publications.waset.org/abstracts/36849/bioprospecting-of-marine-actinobacteria-the-leading-way-for-industrially-important-enzymes-and-bioactive-natural-products" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36849.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">279</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">831</span> Inhibition of Sea Urchin and Starfish Embryonic Development by Hexane Extracts from Five Philippine Marine Sponges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chona%20Gelani">Chona Gelani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mylene%20Uy"> Mylene Uy</a>, <a href="https://publications.waset.org/abstracts/search?q=Keisuke%20Yasuda"> Keisuke Yasuda</a>, <a href="https://publications.waset.org/abstracts/search?q=Emi%20Ohta"> Emi Ohta</a>, <a href="https://publications.waset.org/abstracts/search?q=Shinji%20Ohta"> Shinji Ohta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The marine environment is undoubtedly a rich source of diverse organisms that possess bioactive secondary metabolites with important pharmacological activities. Marine sponges have since been contributing a wide array of compounds of biomedical and pharmaceutical importance. This study is an attempt to contribute to the growing and advancing marine natural products research. It aims to evaluate the cytotoxicity of the hexane extract (H) from the Philippine marine sponges, Rhabdastrella globostellata (Rg), Callyspongia sp. (Calsp), Callyspongia aerizusa (Ca), Carteriospongia sp. (Carsp), and Cinachyrella sp. (Cisp) using the eggs of starfish, Asterina pectinifera, and sea urchin, Hemicentrotus pulcherrimus. Specifically, the cytotoxicity of the marine sponge hexane extract was determined through its inhibition of starfish and sea urchin embryonic development. After 24 hours, CarspH and RgH inhibited early gastrulation of sea urchin at a minimum concentration of 15.63 and 31.25 μg/mL, respectively. CalspH inhibited the early gastrulation of both sea urchin and starfish at 125 μg/mL, whereas CaH halted the morula of sea urchin and early gastrulation of starfish at 250 μg/mL. CispH exhibited relatively weak inhibitory activity on starfish embryogenesis but inhibited the early gastrulation of sea urchin at 250 μg/mL. The results obtained from this study were used as basis for the separation, isolation and purification of the component(s) of the hexane extracts from the five Philippine marine sponges. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=embryonic%20development" title="embryonic development">embryonic development</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20sponge%20cytotoxicity" title=" marine sponge cytotoxicity"> marine sponge cytotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippine%20marine%20sponges" title=" Philippine marine sponges"> Philippine marine sponges</a>, <a href="https://publications.waset.org/abstracts/search?q=sea%20urchin%20and%20starfish%20embryogenesis" title=" sea urchin and starfish embryogenesis"> sea urchin and starfish embryogenesis</a> </p> <a href="https://publications.waset.org/abstracts/62655/inhibition-of-sea-urchin-and-starfish-embryonic-development-by-hexane-extracts-from-five-philippine-marine-sponges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62655.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">282</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">830</span> Designing Affect-Aware Virtual Worlds for Marine Education Using Legacy Internet of Things Gaming Devices: Teaching through Fisheries and Conflicts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20Bishop">Jonathan Bishop</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamal%20Bechkoum"> Kamal Bechkoum</a>, <a href="https://publications.waset.org/abstracts/search?q=Frederick%20Bishop"> Frederick Bishop</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study proposes a framework for marine education, leveraging legacy Internet of Things (IoT) gaming devices and affect-aware technology to create immersive virtual worlds. Focused on addressing challenges in fisheries and marine conflict resolution, this approach integrates the unique capabilities of these devices to enhance learner engagement and understanding. By repurposing existing technology, we aim to deliver personalised educational experiences that adapt to users' emotional states. Preliminary results indicate significant potential in utilising these technologies to foster a deeper comprehension of marine conservation issues, promoting sustainable practices and conflict resolution skills. This interdisciplinary effort underscores the importance of innovative educational tools in environmental stewardship. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marine%20education" title="marine education">marine education</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20technology" title=" marine technology"> marine technology</a>, <a href="https://publications.waset.org/abstracts/search?q=internet%20of%20things" title=" internet of things"> internet of things</a>, <a href="https://publications.waset.org/abstracts/search?q=fisheries" title=" fisheries"> fisheries</a>, <a href="https://publications.waset.org/abstracts/search?q=conflict%20management" title=" conflict management"> conflict management</a> </p> <a href="https://publications.waset.org/abstracts/183845/designing-affect-aware-virtual-worlds-for-marine-education-using-legacy-internet-of-things-gaming-devices-teaching-through-fisheries-and-conflicts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183845.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">59</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">829</span> Demand for Domestic Marine and Coastal Tourism and Day Trips on an Island Nation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=John%20Deely">John Deely</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephen%20Hynes"> Stephen Hynes</a>, <a href="https://publications.waset.org/abstracts/search?q=Mary%20Cawley"> Mary Cawley</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarah%20Hogan"> Sarah Hogan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Domestic marine and coastal tourism have increased in importance over the last number of years due to the impacts of international travel, environmental concerns, associated health benefits and COVID-19 related travel restrictions. Consequently, this paper conceptualizes domestic marine and coastal tourism within an economic framework. Two logit models examine the factors that influence participation in the coastal day trips and overnight stays markets, respectively. Two truncated travel cost models are employed to explore trip duration, one analyzing the number of day trips taken and the other examining the number of nights spent in marine and coastal areas. Although a range of variables predicts participation, no one variable had a significant and consistent effect on every model. A division in access to domestic marine and coastal tourism is also observed based on variation in household income. The results also indicate a vibrant day trip market and large consumer surpluses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=domestic%20marine%20and%20coastal%20tourism" title="domestic marine and coastal tourism">domestic marine and coastal tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=day%20tripper" title=" day tripper"> day tripper</a>, <a href="https://publications.waset.org/abstracts/search?q=participation%20models" title=" participation models"> participation models</a>, <a href="https://publications.waset.org/abstracts/search?q=truncated%20travel%20cost%20model" title=" truncated travel cost model"> truncated travel cost model</a> </p> <a href="https://publications.waset.org/abstracts/144627/demand-for-domestic-marine-and-coastal-tourism-and-day-trips-on-an-island-nation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144627.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">133</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">828</span> Development of Technologies for Biotransformation of Aquatic Biological Resources for the Production of Functional, Specialized, Therapeutic, Preventive, and Microbiological Products</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kira%20Rysakova">Kira Rysakova</a>, <a href="https://publications.waset.org/abstracts/search?q=Vitaly%20Novikov"> Vitaly Novikov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An improved method of obtaining enzymatic collagen hydrolysate from the tissues of marine hydrobionts is proposed, which allows to obtain hydrolysate without pre-isolation of pure collagen. The method can be used to isolate enzymatic collagen hydrolysate from the waste of industrial processing of Red King crab and non-traditional objects - marine holothurias. Comparative analysis of collagen hydrolysates has shown the possibility of their use in a number of nutrient media, but this requires additional optimization of their composition and biological tests on wide sets of test strains of microorganisms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=collagen%20hydrolysate" title="collagen hydrolysate">collagen hydrolysate</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20hydrobionts" title=" marine hydrobionts"> marine hydrobionts</a>, <a href="https://publications.waset.org/abstracts/search?q=red%20king%20crab" title=" red king crab"> red king crab</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20holothurias" title=" marine holothurias"> marine holothurias</a>, <a href="https://publications.waset.org/abstracts/search?q=enzymes" title=" enzymes"> enzymes</a>, <a href="https://publications.waset.org/abstracts/search?q=exclusive%20HPLC" title=" exclusive HPLC"> exclusive HPLC</a> </p> <a href="https://publications.waset.org/abstracts/146190/development-of-technologies-for-biotransformation-of-aquatic-biological-resources-for-the-production-of-functional-specialized-therapeutic-preventive-and-microbiological-products" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146190.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">827</span> Sea Protection: Using Marine Algae as a Natural Method of Absorbing Dye Textile Waste</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ariana%20Kilic">Ariana Kilic</a>, <a href="https://publications.waset.org/abstracts/search?q=Serena%20Arapyan"> Serena Arapyan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water pollution is a serious concern in all seas around the world and one major cause of it is dye textile wastes mixing with seawater. This common incident alters aquatic life, putting organisms’ lives in danger and deteriorating the water's nature. There is a significant need for a natural approach to reduce the amount of dye textile waste in seawater and ensure marine organisms' safety. Consequently, using marine algae is a viable solution since it can eliminate the excess waste by absorbing the dye. Also, marine algae are non-vascular that absorb water and nutrients, meaning that having them as absorbers is a natural process and no inorganic matters will be added to the seawater that could result in further pollution. To test the efficiency of this approach, the optical absorbance of the seawater samples was measured before and after the addition of marine algae by utilizing colorimetry. A colorimeter is used to find the concentration of a chemical compound in a solution by measuring the absorbance of the compound at a specific wavelength. Samples of seawater that have equal amounts of water were used and textile dye was added as the constant variables. The initial and final absorbances, the dependent variable, of the water were measured before and after the addition of marine algae, the independent variable, and observed. The lower the absorbance showed us that there is lower dye concentration and therefore, the marine algae had done its job by using and absorbing the dye. The same experiment was repeated with same amount of water but with different concentrations of dye in order to determine the maximum concentration of dye the marine algae can completely absorb. The diminished concentration of dye demonstrated that pollution caused by factories’ dye wastes could be prevented with the natural method of marine algae. The involvement of marine algae is an optimal strategy for having an organic solution to absorbing the dye wastes in seas and obstructing water pollution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=water%20pollution" title="water pollution">water pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=dye%20textile%20waste" title=" dye textile waste"> dye textile waste</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20algae" title=" marine algae"> marine algae</a>, <a href="https://publications.waset.org/abstracts/search?q=absorbance" title=" absorbance"> absorbance</a>, <a href="https://publications.waset.org/abstracts/search?q=colorimetry" title=" colorimetry"> colorimetry</a> </p> <a href="https://publications.waset.org/abstracts/189308/sea-protection-using-marine-algae-as-a-natural-method-of-absorbing-dye-textile-waste" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189308.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">20</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">826</span> Screening for Antibacterial Activity of Fungi from Indian Marine Environments: A Possible Alternative for New Antibiotics for the Treatment of Skin Microbial Infections</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shivankar%20Agrawal">Shivankar Agrawal</a>, <a href="https://publications.waset.org/abstracts/search?q=Sunil%20Kumar%20Deshmukh"> Sunil Kumar Deshmukh</a>, <a href="https://publications.waset.org/abstracts/search?q=Colin%20Barrow"> Colin Barrow</a>, <a href="https://publications.waset.org/abstracts/search?q=Alok%20Adholeya"> Alok Adholeya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Millions of people worldwide are affected by infectious diseases caused by bacteria and fungi. Skin and skin structure infections (SSSI) represent a significant category of infectious disease. Unexpectedly, many pathogens have developed resistance towards current antibiotics and over the time this problem has become more and more serious. All these new problems necessitate the continuous search for novel and alternative antibiotics and antifungals. The aim of our research is the screening of extracts of marine fungi for their antibacterial activity against bacteria causing skin and wound infection in humans. A total of 40 marine samples were collected from west coast and Andaman Island of India and 35 morphologically different marine fungi were isolated using natural sea water medium. Among 35 marine fungi, eight isolates exhibited significant antimicrobial activity against human pathogens. In the course of systematic screening program for bioactive marine fungi, strain 'D5' was found to be most potent strain with MIC value of 1 mg/mL, which was morphologically identified as Simplicillium lamellicola. The effects of the most active crude extracts against their susceptible test microorganisms were also investigated by SEM analysis. Purification and characterization of crude extracts for identification of active lead molecule is under process. The results of diversity and antimicrobial activity have increased the scope of finding industrially important marine fungi from Indian marine environments and these organisms could be vital sources for the discovery of pharmaceutically useful molecules. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title="antimicrobial activity">antimicrobial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=antibiotic" title=" antibiotic"> antibiotic</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20fungi" title=" marine fungi"> marine fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=skin%20infections" title=" skin infections"> skin infections</a> </p> <a href="https://publications.waset.org/abstracts/57470/screening-for-antibacterial-activity-of-fungi-from-indian-marine-environments-a-possible-alternative-for-new-antibiotics-for-the-treatment-of-skin-microbial-infections" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57470.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">265</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">825</span> Optimizing Availability of Marine Knowledge Repository with Cloud-Based Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20S.%20Mohd%20Noor">Ahmad S. Mohd Noor</a>, <a href="https://publications.waset.org/abstracts/search?q=Emma%20A.%20Sirajudin"> Emma A. Sirajudin</a>, <a href="https://publications.waset.org/abstracts/search?q=Nur%20F.%20Mat%20Zain"> Nur F. Mat Zain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Reliability is an important property for knowledge repository system. National Marine Bioinformatics System or NABTICS is a marine knowledge repository portal aimed to provide a baseline for marine biodiversity and a tool for researchers and developers. It is intended to be a large and growing online database and also a metadata system for inputs of research analysis. The trends of present large distributed systems such as Cloud computing are the delivery of computing as a service rather than a product. The goal of this research is to make NABTICS a system of greater availability by integrating it with Cloud based Neighbor Replication and Failure Recovery (NRFR). This can be achieved by implementation of NABTICS into distributed environment. As a result, the user can experience minimum downtime while using the system should the server is having a failure. Consequently the online database application is said to be highly available. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cloud" title="cloud">cloud</a>, <a href="https://publications.waset.org/abstracts/search?q=availability" title=" availability"> availability</a>, <a href="https://publications.waset.org/abstracts/search?q=distributed%20system" title=" distributed system"> distributed system</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20repository" title=" marine repository"> marine repository</a>, <a href="https://publications.waset.org/abstracts/search?q=database%20replication" title=" database replication"> database replication</a> </p> <a href="https://publications.waset.org/abstracts/17916/optimizing-availability-of-marine-knowledge-repository-with-cloud-based-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17916.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">471</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">824</span> Assessment of the Root Causes of Marine Debris Problem in Lagos State</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chibuzo%20Okoye%20Daniels">Chibuzo Okoye Daniels</a>, <a href="https://publications.waset.org/abstracts/search?q=Gillian%20Glegg"> Gillian Glegg</a>, <a href="https://publications.waset.org/abstracts/search?q=Lynda%20Rodwell"> Lynda Rodwell</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The continuously growing quantity of very slow degrading litter deliberately discarded into the coastal waters around Lagos as marine debris is obvious. What is not known is how to tackle this problem to reduce its prevalence and impact on the environment, economy and community. To identify ways of tackling the marine debris problem two case study areas (Ikoyi and Victoria Islands of Lagos State) were used to assess the root causes, the threat posed by marine debris in the coastal waters around Lagos and the efficacy of current instruments, programmes and initiatives that address marine debris in the study areas. The following methods were used: (1) Self-completed questionnaires for households and businesses within the study areas; (2) Semi-structured interviews with key stakeholders; (3) Observational studies of waste management from collection to disposal and waste management facilities for waste originating from land and maritime sources; (4) Beach surveys and marine debris surveys on shorelines and ports; and (5) Fishing for marine debris. Results of this study identified the following root causes: (1) Indiscriminate human activities and behaviors, and lack of awareness on the part of the main stakeholders and the public of the potential consequences of their actions; (2) Poor solid waste management practices; (3) Lack of strict legal frameworks addressing waste and marine debris problem; and (4) Disposal of non-degradable wastes into domestic sewer system and open streets drains. To effectively tackle marine debris problem in the study areas, adequate, appropriate and cost effective solutions to the above mentioned root causes needs to be identified and effectively transferred for implementation in the study areas. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marine%20debris%20problem" title="marine debris problem">marine debris problem</a>, <a href="https://publications.waset.org/abstracts/search?q=Lagos%20state" title=" Lagos state"> Lagos state</a>, <a href="https://publications.waset.org/abstracts/search?q=litter" title=" litter"> litter</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20waters" title=" coastal waters"> coastal waters</a> </p> <a href="https://publications.waset.org/abstracts/10082/assessment-of-the-root-causes-of-marine-debris-problem-in-lagos-state" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10082.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">379</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">823</span> Marine Litter and Microplastic Pollution in Mangrove Sediments in The Sea of Oman</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muna%20Al-Tarshi">Muna Al-Tarshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Dobretsov%20Sergey"> Dobretsov Sergey</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenresti%20Gallardo"> Wenresti Gallardo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marine litter pollution is a global concern that has wide-ranging ecological, societal, and economic implications, along with potential health risks for humans. In Oman, inadequate solid waste management has led to the accumulation of litter in mangrove ecosystems. However, there is a dearth of information on marine litter and microplastic pollution in Omani mangroves, impeding the formulation of effective mitigation strategies. To address this knowledge gap, we conducted a comprehensive assessment of marine litter and microplastics in mangrove sediments in the Sea of Oman. Our study measured the average abundance of marine litter, which ranged from 0.83±1.03 to 19.42±8.52 items/m2. Notably, plastics constituted the majority of litter, accounting for 73-96% of all items, with soft plastics being the most prevalent. Furthermore, we investigated microplastic concentrations in the sediments, finding levels ranging from 6 to 256 pieces /kg. Among the studied areas, afforested mangroves in Al-Sawadi exhibited the highest average abundance of microplastics (27.52±5.32 pieces/ kg), while the Marine Protected Area Al Qurum had the lowest average abundance (0.60±1.12 pieces /kg). These findings significantly contribute to our understanding of marine litter and microplastic pollution in Omani mangroves. They provide valuable baseline data for future monitoring initiatives and the development of targeted management strategies. Urgent action is needed to implement effective waste management practices and interventions to protect the ecological integrity of mangrove ecosystems in Oman and mitigate the risks associated with marine litter and microplastics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microplastics" title="microplastics">microplastics</a>, <a href="https://publications.waset.org/abstracts/search?q=anthropogenic%20marine%20litter" title=" anthropogenic marine litter"> anthropogenic marine litter</a>, <a href="https://publications.waset.org/abstracts/search?q=ftir" title=" ftir"> ftir</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer" title=" polymer"> polymer</a>, <a href="https://publications.waset.org/abstracts/search?q=khawr" title=" khawr"> khawr</a>, <a href="https://publications.waset.org/abstracts/search?q=mangrove" title=" mangrove"> mangrove</a>, <a href="https://publications.waset.org/abstracts/search?q=sediment" title=" sediment"> sediment</a> </p> <a href="https://publications.waset.org/abstracts/168029/marine-litter-and-microplastic-pollution-in-mangrove-sediments-in-the-sea-of-oman" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168029.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">89</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">822</span> A Study on Development Strategies of Marine Leisure Tourism Using AHP</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Da-Hye%20Jang">Da-Hye Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Woo-Jeong%20Cho"> Woo-Jeong Cho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marine leisure tourism contributes greatly to the national economy in which the sea is located nearby and many countries are using marine tourism to create value added. The interest and investment of government and local governments on marine leisure tourism growing as a major trend of marine tourism is steadily increasing. But indiscriminate investment in marine leisure tourism such as duplicated business wastes limited resources. In other words, government and local governments need to select and concentrate on the goal they pursue by drawing priority on maritime leisure tourism policies. The purpose of this study is to analyze development strategies on supplier for marine leisure tourism and thus provide a comprehensive and rational framework for developing marine leisure tourism. In order to achieve the purpose, this study is to analyze priorities for each evaluation criterion of marine leisure tourism development policies using Analytic Hierarchy Process. In this study, a questionnaire was used as the survey tool and was developed based on the previous studies, government report, regional report, related thesis and literature for marine leisure tourism. The questionnaire was constructed by verifying the validity of contents from the expert group related to marine leisure tourism after conducting the first and second preliminary surveys. The AHP survey was conducted to experts (university professors, researchers, field specialists and related public officials) from April 6, 2018 to April 30, 2018 by visiting in person or e-mail. This study distributed 123 questionnaires and 68 valid questionnaires were used for data analysis. As a result, 4 factors with 12 detail strategies were analyzed using Excel. Extracted factors of development strategies of marine leisure tourism are consist of 4 factors such as infrastructure, popularization, law & system improvement and advancement. In conclusion, the results of the pairwise comparison of the four major factor on the first class were infrastructure, popularization, law & system improvement and advancement in order. Second, marine water front space maintenance had higher priority than marina facilities expansion and the establishment of marine leisure education center. Third, marine leisure safety·culture improvement had higher priority than strengthening experience·education program and the upkeep and open promotion event. Fourth, specialization·cluster of marine leisure tourism had higher priority than business support system of marine leisure tourism. Fifth, the revision of water-related leisure activities safety act had higher priority than an enactment of marine tourism promotion act and the foster of marina service industry. Finally, marine water front space maintenance was the most important development plan to boost marine leisure tourism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marine%20leisure%20tourism" title="marine leisure tourism">marine leisure tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20leisure" title=" marine leisure"> marine leisure</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20tourism" title=" marine tourism"> marine tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=analytic%20hierarchy%20process" title=" analytic hierarchy process"> analytic hierarchy process</a> </p> <a href="https://publications.waset.org/abstracts/97264/a-study-on-development-strategies-of-marine-leisure-tourism-using-ahp" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97264.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">165</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">821</span> Isolation and Identification of Microorganisms from Marine-Associated Samples under Laboratory Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sameen%20Tariq">Sameen Tariq</a>, <a href="https://publications.waset.org/abstracts/search?q=Saira%20Bano"> Saira Bano</a>, <a href="https://publications.waset.org/abstracts/search?q=Sayyada%20Ghufrana%20Nadeem"> Sayyada Ghufrana Nadeem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Ocean, which covers over 70% of the world's surface, is wealthy in biodiversity as well as a rich wellspring of microorganisms with huge potential. The oceanic climate is home to an expansive scope of plants, creatures, and microorganisms. Marine microbial networks, which incorporate microscopic organisms, infections, and different microorganisms, enjoy different benefits in biotechnological processes. Samples were collected from marine environments, including soil and water samples, to cultivate the uncultured marine organisms by using Zobell’s medium, Sabouraud’s dextrose agar, and casein media for this purpose. Following isolation, we conduct microscopy and biochemical tests, including gelatin, starch, glucose, casein, catalase, and carbohydrate hydrolysis for further identification. The results show that more gram-positive and gram-negative bacteria. The isolation process of marine organisms is essential for understanding their ecological roles, unraveling their biological secrets, and harnessing their potential for various applications. Marine organisms exhibit remarkable adaptations to thrive in the diverse and challenging marine environment, offering vast potential for scientific, medical, and industrial applications. The isolation process plays a crucial role in unlocking the secrets of marine organisms, understanding their biological functions, and harnessing their valuable properties. They offer a rich source of bioactive compounds with pharmaceutical potential, including antibiotics, anticancer agents, and novel therapeutics. This study is an attempt to explore the diversity and dynamics related to marine microflora and their role in biofilm formation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marine%20microorganisms" title="marine microorganisms">marine microorganisms</a>, <a href="https://publications.waset.org/abstracts/search?q=ecosystem" title=" ecosystem"> ecosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=fungi" title=" fungi"> fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=biofilm" title=" biofilm"> biofilm</a>, <a href="https://publications.waset.org/abstracts/search?q=gram-positive" title=" gram-positive"> gram-positive</a>, <a href="https://publications.waset.org/abstracts/search?q=gram-negative" title=" gram-negative"> gram-negative</a> </p> <a href="https://publications.waset.org/abstracts/186163/isolation-and-identification-of-microorganisms-from-marine-associated-samples-under-laboratory-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186163.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">45</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">820</span> Lagrangian Approach for Modeling Marine Litter Transport</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sarra%20Zaied">Sarra Zaied</a>, <a href="https://publications.waset.org/abstracts/search?q=Arthur%20Bonpain"> Arthur Bonpain</a>, <a href="https://publications.waset.org/abstracts/search?q=Pierre%20Yves%20Fravallo"> Pierre Yves Fravallo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The permanent supply of marine litter implies their accumulation in the oceans, which causes the presence of more compact wastes layers. Their Spatio-temporal distribution is never homogeneous and depends mainly on the hydrodynamic characteristics of the environment and the size and location of the wastes. As part of optimizing collect of marine plastic wastes, it is important to measure and monitor their evolution over time. For this, many research studies have been dedicated to describing the wastes behavior in order to identify their accumulation in oceans areas. Several models are therefore developed to understand the mechanisms that allow the accumulation and the displacements of marine litter. These models are able to accurately simulate the drift of wastes to study their behavior and stranding. However, these works aim to study the wastes behavior over a long period of time and not at the time of waste collection. This work investigates the transport of floating marine litter (FML) to provide basic information that can help in optimizing wastes collection by proposing a model for predicting their behavior during collection. The proposed study is based on a Lagrangian modeling approach that uses the main factors influencing the dynamics of the waste. The performance of the proposed method was assessed on real data collected from the Copernicus Marine Environment Monitoring Service (CMEMS). Evaluation results in the Java Sea (Indonesia) prove that the proposed model can effectively predict the position and the velocity of marine wastes during collection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=floating%20marine%20litter" title="floating marine litter">floating marine litter</a>, <a href="https://publications.waset.org/abstracts/search?q=lagrangian%20transport" title=" lagrangian transport"> lagrangian transport</a>, <a href="https://publications.waset.org/abstracts/search?q=particle-tracking%20model" title=" particle-tracking model"> particle-tracking model</a>, <a href="https://publications.waset.org/abstracts/search?q=wastes%20drift" title=" wastes drift"> wastes drift</a> </p> <a href="https://publications.waset.org/abstracts/139690/lagrangian-approach-for-modeling-marine-litter-transport" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139690.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">191</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">819</span> Existing International Cooperation Mechanisms and Proposals to Enhance Their Effectiveness for Marine-Based Geoengineering Governance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aylin%20Mohammadalipour%20Tofighi">Aylin Mohammadalipour Tofighi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marine-based geoengineering methods, proposed to mitigate climate change, operate primarily through two mechanisms: reducing atmospheric carbon dioxide levels and diminishing solar absorption by the oceans. While these approaches promise beneficial outcomes, they are fraught with environmental, legal, ethical, and political challenges, necessitating robust international governance. This paper underscores the critical role of international cooperation within the governance framework, offering a focused analysis of existing international environmental mechanisms applicable to marine-based geoengineering governance. It evaluates the efficacy and limitations of current international legal structures, including treaties and organizations, in managing marine-based geoengineering, noting significant gaps such as the absence of specific regulations, dedicated international entities, and explicit governance mechanisms such as monitoring. To rectify these problems, the paper advocates for concrete steps to bolster international cooperation. These include the formulation of dedicated marine-based geoengineering guidelines within international agreements, the establishment of specialized supervisory entities, and the promotion of transparent, global consensus-building. These recommendations aim to foster governance that is environmentally sustainable, ethically sound, and politically feasible, thereby enhancing knowledge exchange, spurring innovation, and advancing the development of marine-based geoengineering approaches. This study emphasizes the importance of collaborative approaches in managing the complexities of marine-based geoengineering, contributing significantly to the discourse on international environmental governance in the face of rapid climate and technological changes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title="climate change">climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20law" title=" environmental law"> environmental law</a>, <a href="https://publications.waset.org/abstracts/search?q=international%20cooperation" title=" international cooperation"> international cooperation</a>, <a href="https://publications.waset.org/abstracts/search?q=international%20governance" title=" international governance"> international governance</a>, <a href="https://publications.waset.org/abstracts/search?q=international%20law" title=" international law"> international law</a>, <a href="https://publications.waset.org/abstracts/search?q=marine-based%20geoengineering" title=" marine-based geoengineering"> marine-based geoengineering</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20law" title=" marine law"> marine law</a>, <a href="https://publications.waset.org/abstracts/search?q=regulatory%20frameworks" title=" regulatory frameworks"> regulatory frameworks</a> </p> <a href="https://publications.waset.org/abstracts/181514/existing-international-cooperation-mechanisms-and-proposals-to-enhance-their-effectiveness-for-marine-based-geoengineering-governance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181514.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">73</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span 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