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时间:2019-03-03
《枸杞岛瓦氏马尾藻藻场生态系统健康评价》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/285166671AssessmentofSargassumvachellianumbedecosystemhealthinGouqiIslandArticle·January2013CITATIONREADS197authors,including:ZhaoyangChaiInstituteofOceanology,ChineseAcademyofSciences,Q
2、ingdao,China31PUBLICATIONS106CITATIONSSEEPROFILEAllcontentfollowingthispagewasuploadedbyZhaoyangChaion18April2018.Theuserhasrequestedenhancementofthedownloadedfile.第32卷第3期海洋环境科学Vol.32,No.32013年6月MARINEENVIRONMENTALSCIENCEJune2013枸杞岛瓦氏马尾藻藻场生态系统健康评价1,21,21,21,21,21,22柴召阳,霍元子,于克锋,何青,韩芳,何培
3、民,丁德文(1.上海海洋大学水产与生命学院,上海201306;2.上海海洋大学海洋科学研究院海洋生态环境与修复研究所,上海201306)摘要:采用指标体系法,对枸杞岛瓦氏马尾藻藻场生态系统健康状况进行研究。从藻场生态系统压力、藻场水质状态、藻场生物群落结构和藻场生态系统功能4个方面选取18个指标构建评价体系,并利用层次分析法(AHP)确定各指标权重值,建立海藻场生态系统健康评价多指标综合指数模型。研究结果表明,枸杞岛瓦氏马尾藻藻场生态系统综合评价指数为0.58,属中度退化、Ⅲ类退化级别,藻场附近海域营养状态质量指数值为5.47,富营养化压力对该藻场生态系统健康状况影
4、响最大。本研究同时还对藻场退化原因做了分析,为该藻场修复方法的选择和修复目标奠定了基础。关键词:枸杞岛;海藻场生态系统;生态系统健康评价中图分类号:X826文献标识码:A文章编号:1007-6336(2013)03-0386-04AssessmentofSargassumvachellianumbedecosystemhealthinGouqiIsland1,21,21,21,21,21,22CHAIZhao-yang,HUOYuan-zi,YUKe-feng,HEQing,HANFang,HEPei-min,DINGDe-wen(1.CollegeofLifean
5、dFisheries,ShanghaiOceanUniversity,Shanghai201306,China;2.InstitutesofMarineSciences,ShanghaiOceanUniversity,Shanghai201306,China)Abstract:Assessmentofecosystemhealthofseaweedbedisimportantreferenceforthechoiceofrestorationmethods.Inthispaper,weassessedthehealthofSargassumvachellianumb
6、edecosysteminGouqiIslandbytheassessmentindexsystemmethod.Theassessmentindexsystemconsistedof18assessmentindicatorsbelongingto4aspects,i.e.thepressureofecosystem,thestatusofwaterquality,thestructureofbiologicalcommunityandthefunctionofecosystem.TheweightofindicatorsweredeterminedbyAnaly
7、ticHierarchyProcess(AHP).Thenamodelofmulti-indicatorscomprehensiveindexforassessmentecosystemhealthofseaweedbedwasbuild.Theresultsshowedthat:thecomprehensiveindexofS.vachellianumbedecosysteminGouqiIslandwas0.58,indicatingmoderatedegrada-tionandclassIIIdegradationlevel.Thenutrientqual
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