基于ecopath模型的獐子岛人工鱼礁区生态系统功能评价

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1、AbstractAbstractBasedonthebiologicalsurveydatainZhangziIslandartificialreefarea,anEcopathmodeloftheZhangziIslandartificialreefecosystemwasestablishedbythesoftwarenamedEcopathwithEcosim(EwE)6.4toanalyzetheenergyflowpatternandthesystemattributesoftheecosystem．Themodelcons

2、istsof23functionalgroups，basicallycoveringthemainprocessesoftheenergyflowintheZhangziIslandartificialreefecosystem.Accordingtotheresult,(i)thetrophiclevelvalueofPatinopectenyessoensis,Seibastesschlegelii,Hexagrammosotakiiandothermarineorganismhavebeenincreasedduring2010

3、to2012.(ii)ThepreyoverlapindexofHaliotisdiscushannaiandthepredatoroverlapindexofSebastesschlegeliihavebeenreduced.(iii)TheEcologicalefficiency(EE)indexwereimprovedfrom11.1%in2010to13.3%in2012.(iv)TheFCIindexwerelowerthan0.1andtheNSPindexwashigh.TheConnectanceIndex(CI),S

4、OIandMPLindexwereincreasedcontinuously.(v)TheCarringCapacityof-2-2Patinopectenyessoensiswasestimatedof124.7t·kmin2010,168.5t·kmin2011and217-2t·kmin2012.Inconclusion,theZhangziIslandartificialreefecosystemin2010-2012wasinearlydevelopmentstagewhichwasunstable.Ithasatrendf

5、romimmaturitystagetomaturitystage.Thehighernetsystemproductionprovidedthematerialbasisforthedevelopmentofmarineecologicalsystems.Keywords:Artificialreef;Ecosystemstructure;Energyflow;nicheoverlapindex;carringcapacity;Ecopathmodel;II目录目录摘要................................

6、.....................................IAbstract...................................................................II第一章前言................................................................11.1海洋牧场............................................................11.1.1海洋牧场的概念和研究进展

7、.....................................11.1.2海洋牧场的技术体系...........................................21.1.3海洋牧场的特征...............................................21.1.4.国内外海洋牧场发展现状.......................................31.2海域生态系统模型..............................................

8、......41.2.1NPZD系列模型.................................................51.2.2欧洲区域海洋生态系统模型（ERSEM）................