56066.渤海典型海岸帶生境退化的監(jiān)控與診斷研究

1、Y82931l央博士學位論文邀漁典型海崖董生縫逞垡的：：墮控皇趁塹硒寶研究生姓名重住——指導教師姓名雖籃整控申請學位級別攝專業(yè)名稱疊垣整掌論文答辯日艄土且—且學位授予日期上且—且中國海洋大學中國海洋大學博士學位論交渤海典型海岸帶生境退化的監(jiān)控與診斷研究MonitoringandDiagnosingofTypicalCoastalZoneEcosystemEnvironmentofBohaiSea^BSTRAcTMonitoringmet

2、hodologiesoflanduse／landcoverageandpollutantfluxdischargedintothesea，thetwo(2)majorparametersthatleaddegradationofcoastalzoneecosystemenvironment，areanalyzedmthisthesisKeytechnologiesfordynamicmanagementofcoastalzoneenvk

3、onmentareprtmarilydevelopedUtilizingGISandRStechnologies，thisthesisdevelopedmethodologiesforcoastalzonelanduse／landcoverageclassificationandremotesensingdatainterpretationandestablishedalandscapeurdtdyrmmemodelAmethodfor

4、errorestimationoffiverfluxcalculationwithtemporallyaveragedparametersincaseofraremeasurementdataisproposedAnditisconcludedthatitispracticaltocalculateriversedimentandpollutantfluxeswiththeadvectiontermifthereisaphaseshif

5、tof：t900betweentheriverdischargeandtheconcenffation(ofsedimentorpollutant)Withthelandscapeecologicalmethodologies，thisthesisselectedfive(5)landscapepattemindexes，patcharea，patchshapeindex，ShannonWeaverdiversityindex，domi

6、nanceindexandfragmentationindex，fortheassessmentoflandscapepaRemincoastalzoneecosystemBasedonthereliabledataofthelandscapepatterndegradation，theecolcIgicalimpactbythelandscapepaRemvariationisanalyzedWiththetheoryofPressu

7、reStatusResponseofecosystem，ten(to)indexesareselectedfordeterminingthehealthyindexofanecosystembycalculatingtheweightfactorsofeachindexwithlayeranalysismethodsTheten(10)indexesare：populationdensityhumandisturbance，plantc

8、overage，landscapediversityaveragepatcharea，resilience，planktonlevel，ratioofexeellentfunctionallandscapearea，fertilizerconsumptioninunitareaGDPpercapitaWiththeaboveapproach，methodologiesforassessingthehealthinessofcoastal

9、zoneecosystemarestudiesinthisthesis，F(xiàn)urthertotheanalysisofthevariationfluxesdischargedintotheBohaiSea，diagnosingmethodsfordegradationofsedimentqualityandwaterqualityinthecoastalzoneecosystemisstudiedByidentifyingtheageof

10、sedimentsdepositedinthecoastalZOnewiththeisotopicdatingmethod，thephysicalcompositionandthespatialvariationofheavymetalconcen拄ationsareanalyzedTakingtheCOnditionin50sasabaselinethedegradationoftheecosystemenvkonmentiSasse

11、ssedwithstatisticmethodsThedegradationofwaterquaIityinthecoastalzoneisdiagnosedwithasingleindexassessmentmethodreferencingtowaterquaIitystandardsThecorrelationbetweentheecosystemenvironmentdegradationandthevariationsoffi

12、verdischarge，sedimentdischargeandpollutantloadsisrevealedApplyingthemethodologiesdevelopedinthispapertothetypicalcoastalzoneoftheBohaiBayitisrevealedsuccessfullythedegradationoftheecosystemdegradationinthecoastalzoneofBo