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(xué)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(dǎo)教師姓名雖籃整控申請(qǐng)學(xué)位級(jí)別攝專(zhuān)業(yè)名稱疊垣整掌論文答辯日艄土且—且學(xué)位授予日期上且—且中國(guó)海洋大學(xué)中國(guó)海洋大學(xué)博士學(xué)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