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1、AgriculturalScience＆Technology，·2011，12(9)：1323—1326Copyright⑥2011，InformationInstituteofHAAS．AlrightsreservedResourcesandEnvironmentEvaluationofPotentialFisheryProductivityinLihuLakeBasedonGISDUANJin-rong，ZHANGHong·yan，LIUKai，XUDong-po，ZHANGMin-ying，SHIWei-gangKeyFieldStationofObservationandResear
2、chforFisheryResourcesandEnvironmentofthelowerreachesofYang~eRiver，MinistryofAgri·culture，KeyLaboratoryofEcologicalEnvironmentandResourcesofInlandFisheries，F(xiàn)reshwaterFisheriesResearchCenter，CAFS，Wuxi214081Abstract【ObjecfiveIThepaperwasscientificallyevaluatethepotentialfisheryproductivityofLihuusingG
3、IStechnology．fMethod]Theevalu·ationofpotentialfisheryproductivityinLihuwasbasedonGISandAHPaccordingtothecharacteristicsoffisheriesresourcesjnLihuLake．Theevaluationsystemincluded3sub-modelsincludingwaterquality，biodiversityandhydrologicalcondition．whichtotalyhad10indexes．Judgmentmalrixwasconstructed
4、basedtheadvicesofprofessorsoffisheriesresources，andtheindicatorsWeightwerecalculatedbvtheprocessofAHP．TherankingdistributingmapofpotentialfisheryproductivityinLihuwasobtainedbythemodelofrasteranalysis，rastercalculator，spatialoverlayandclassificationmodelsofARc／INFO．『Result]PotentiaIfisheryproductiv
5、ityofLihuwasdividedinto4gradesintermofhigher，high。generaIandIow，andwhichcovered2．6433，3．8448，1．1214and0．4005hm，respectively．1conclusion]ThestudyprovidedtheoreticaIbasisforecologicalreconstructionofLihuLake．KeywordsPotentialfisheryproductivity：Evaluation：GIS；LihuGeographicinfOrmationsystem(GIS)isane
6、wtechnolo-makinginthemanagementoffisheriesJ．CAIWen-auiefagythathasthefunctionofspatiaIdatacolection。storage．usedrankingmodeJtoanalyzeandassesstheJeveJoffoodmanagement，analysis，description，displayandoutputetc．，organismsinFebruary(dryseason)andAugust(rainysea-whichisalsoanewanddevelopingsciencethatin
7、cludescom-son)andconductedacomprehensiveanalysis，evaluationputerscience，geography，InTOrmationscience，managementandassessmentontheIevelofbiologicaIdiversityofdiferentscienceandmapping?．1tscharacteristicjstoc
