河北省近岸海域環(huán)境質(zhì)量狀況調(diào)查及評(píng)價(jià).pdf

1、河北農(nóng)業(yè)大學(xué)碩士學(xué)位論文河北省近岸海域環(huán)境質(zhì)量狀況調(diào)查及評(píng)價(jià)姓名：郗艷娟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：漁業(yè)指導(dǎo)教師：趙艷珍；趙振良20111203Thesurvey&evaluationontheenvironmentqualityoftheoffshoremarineareasinHebeiProvinceAbstractTheoffshoreareasofHebeiProvinceisthespawning，feedingandfatte

2、ninggroundsforfishes，shrimpsandshellfishes，whichplaysanimportantroleinChinesefisherywatersWiththerapiddevelopmentofthecoastaleconomythemarineecologicalenvironmentwasdestroyed，marinebiologicalresourcesdeclinedyearafteryea

3、rSo，thisarticlecarriedontheassessmentofenvironmentalqualityinoffshoreareasandtheresearchofitsvariationalrules，ithasimportantsignificancefortheprotectionofthemarineenvironment，andthesustainableutilizationofbiologicalresou

4、rcesBasedontheinvestigationdatafromevaluationsontheseawaterenvironment，offshoreareasinHebeiProvince2008to2010，thispapermakesecologicalthesurfacesedimentenvironmentoftheThespatiotemporalvariationcharacteristicsofseawaterp

5、hysicochemicalfactorswereanalyzed，andbyusingthefuzzymathematicalmodel，eutrophicationindexandorganicpollutionindex，thewaterenvironmentqualitywasevaluatedTheresultshowsthat：(1)Fromtheaspectofevaluationwithfuzzymathematical

6、model，in2008theseawaterareastalliedfirstgradetofourthgradeofseawaterqualitystandardaccountedfor428％，286％，71％and214％ofthesurveyareaseparatelyandaccountedfor185％、14。8％，11。1％and556％in2010In2009theenvironmentalqualityoftheof

7、fshoreareaswasbetterwiththeseawaterareasreachedfirstgradeandsecondgradeofseawaterqualitystandardaccountingfor96％and4％oftheinvestigatedarea(2)Fromtheaspectofevaluationwitheutrophicationindexandorganicpollutionindextheresu

8、ltindicatesthattheseawaterqualityofQinHuangdaocityisinagoodstate，theeutrophicpollutionisseriousinTangShanareasin2010TheseawaterqualityofTangShancityiSinastateofmoderateorganicpollutionTheseawaterqualityofCangZhoucityisin

9、astateofelementaryorganicpollutionin2008and2010Withthesinglefactorindex，thisarticlehasanalyzedandassessedthesedimentenvironmentintheoffshoreareasofHebeiprovinceTheresultshowsthattheover—limitrateofheavymetalCuinsedimenti

10、s808％whilethetheoverlimitrateofheavymetalCdis38％theotherindicesaregoodThesedimentenvironmentoftheoffshoreareasinHebeiProvinceisinagoodstatein2009and2010Acomprehensiveassessmentisgivenontheecoenvironmentqualityoftheoffsho