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                厦门大自己就是天马行空一般学海洋与地球学院

                College of Ocean and Earth Sciences
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                海洋科『技博物馆
                Luncheon Seminar #171: Application of stable isotopes in discrimination of natural vs. anthropogenic nutrient flow (in) to coastal systems; Ecological implication of benthic trophic function
                2020/1/6 437 返回上页
                2020-1-6 (星期一) 1:00pm-2:00pm
                IMAN ARBI,Assistant Professor
                周隆泉楼A3-206 A3-206 Zhou Long Quan Building

                【来访单位 Institution】:Iranian National Institute of Oceanography & Atmospheric Sciences,Iran    

                【邀请人 Host】:蔡毅华  Yihua Cai      【联络人 Contact】:黄迎   Ying Huang 2181571

                Abstract:

                The pollution caused by excess nutrients is one of the major anthropogenic impacts on the coastal marine ecosystems which in turn, affects the marine benthic environment and biota. Due to the sedentary lifestyle and relatively long-term exposure to the pollution sources, macrobenthic assemblages are useful candidates to detect the sources, analyze the pathways, and estimate the fate of nutrients in the coastal ecosystems. In addition, Carbon and stable isotope techniques are useful tools for (quantitatively and qualitatively) discriminating the anthropogenic and natural sources flowing into the ecosystem and contributed to the benthic consumers' diet. In this presentation, the application of the stable isotopes in the characterization of trophic function in coastal/estuarine ecosystem will be discussed as well as the finding in the mentioned target of research in a case study; Daya Bay as a semi-enclosed subtropical system in the South China Sea under serious excess nutrients. Analyses of basal food sources (i.e. sedimentary and particulate organic matter, microalgae, mangrove leaf litter, and plankton biovolume), isotopic ratios of macrobenthic consumers, and the contribution of different (terrigenous vs. marine and anthropogenic vs. natural) organic matter sources in the diet of consumers in different ecological level (species to community) will be applied to evaluate the trophic function and structure of the mentioned study area in response to excess nutrients. 

                 

                Scientific Specialization:

                Ecological assessment of coastal ecosystems

                Biogeochemical characterization of nutrients and trophic function

                Anthropogenic impact assessment in coastal benthic habitats

                 

                Academic positions & affiliations

                2018-19: Assistant Professor (Iranian National Institute of Oceanography & Atmospheric Sciences; INIOAS)

                2014-2018: Ph.D. Student & Research Fellow (South China Sea Institute of Oceanology, Chinese Academy of Sciences; SCSIO, CAS)

                2013: Chief Scientist (Persian Gulf-Gulf of Oman Oceanographic Cruise; PGGOOS)

                2010-2014: Research Faculty & Persian Gulf Marine Biological Oceanography Laboratory Head (INIOAS)




                厦门大铁云国学海洋与地球学院
                技术支持:zzf19850106@xmu.edu.cn