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1、上海海洋大学硕士学位论文致环境的变化会促进多毛类数量、总风度和总生物量的增长，其中，岸线长度、占用滩涂面积、占用浅海面积与大型底栖动物总丰度呈显著正相关（p<0.05），占用浅海面积与大型底栖生物总生物量呈显著正相关（p<0.05）。关键词：渤海湾近岸，栖息地要素变化，大型底栖动物群落变化，遥感万方数据上海海洋大学硕士学位论文MarineHabitatMonitoringandtheHabitatChangesImpactsonMacro-benthosCommunitiesinBohaiBayABSTRACTTheshortageofarablelan
2、dandresources,andtheenvironmentaldegradationhavebeenbecomingthemainproblemswefaceintoday'ssociety.Whenthelandresourcescannotmeettherequirementsforproductionandlivingconditionsgradually,peoplespeedupthedevelopmentofmarineresources,andthisaggravatestheMarineecologicalenvironment.Th
3、echangesoftheMarineecologicalenvironmentcanbeshownbythemacro-benthoscommunitiesanddiversitycharacteristics.Themacro-benthoscommunitycomposition,totalabundance,totalbiomassandotherbiologicalindexchangescanaccuratelyreflectthelong-termchangesofhabitatenvironment.Astheimportantreact
4、ionindexofhumaninterference,thechangesofmacro-benthoshavebeenwidelyappliedtotheenvironmentqualityevaluationinthecoastalzone.Atthesametime,withthedevelopmentofsatelliteremotesensingtechnology,theremotesensingtechnologyhasbecomeaneffectivemeansofmonitoringthechangesofnear-shoreMari
5、nehabitats.Throughtheremotesensing,wecanbemonitoringthechangesofnear-shoreMarinehabitatselementsdirectly,andstudyonchangesofthecoastalbiologicalcommunitycomposition.ThispapertakingtheBohaiBayasthestudyarea,usingremotesensingtogetthechangesofcoastline,tidalflatsandnear-shoreshallo
6、winrecentyearsandcombiningwithpreviousthemacro-benthosresourcessurveydata,studythatthehabitatchangesimpactonmacro-benthoscommunitiesinBohaiBay.Themainworkincludes:(1)Applyingthemethodsofsegmentation(Multi-resolution)andclassification万方数据上海海洋大学硕士学位论文(NearestNeighbor),andtheLandsat
7、TMremotesensingdatein1987,2005,2007,2008,2009,2010and2011,analyzedtheevolutionofcoastline,mudflat,near-shoreshallowinBohaiBayTianjinregionwiththesoftwareofeCognition,ENVIandArcGIS.(2)Collecttherelevantmacro-benthosresourcessurveydataasPolycheata,Mollusca,Crustacea,Echinodermataan
8、dOther,andfiltratethedatethathasthesimil
