洞庭湖湿地生态系统保护与管理分析

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1、_，I—j气●＼^，^≥、tE■●一●∥洞庭湖湿地生态系统保护与管理研究AbstractWetlandecosystemisanimportantecosystemaftertheforestandlandecosystem，whichplaysasignificantroleindefendingflood，regulatingrunoff,controllingcontamination，adjustingclimate，beautifyingenvironment，sustainingthebalanceofglobalecosystem．Notonly

2、isitanaturalreservoir,butalsoabreedingandwinteringgroundforvariouswildanimalsandplants，especiallyforrareaquaticbirds．WetlandiscloselylinkedtohumanbeinganditisalsoapreciousresourceSOthatit’Scalled‘‘cradleoflife’’，‘‘kidneyofearth'’，‘‘paradiseofbird’’．Dongtinglakeisanimportantwetlandco

3、nservationareainchinaevenforthewholeworld．Owingtotheeffectfromhumanandhistory,itswetlandecosystemisfacingseriousdamagenOW．Itisbadlyneededtoanalyzethecurrentsituationofwetlandandstepupprotectionandmanagementresearchforwetlandecosystemifwewanttoadopteffectivemethodstocontrolthedeterio

4、rationDirectedbyecology,economics，systemscienceandsustainablescience，thisarticleanalyzestheDongtinglake’Sgeomorphology，climate，hydrology,socialandeconomicsituation，componentpartsofbiology，patternsandcharactersofecosystem，etc．，andsystematicallyandfullymastersthemainproblemsandcausesw

5、hichresultinthedamagetoDongtinglake’Swetlandecosystem，providesgoodproofandmeasuresforitsprotectionandmanagement．Italsoadoptsdataanalysis，graphanalysis，contrastanalysis，caseanalysisandmaincomponentsanalysistoresearchthemainproblems，causes，deficientprotectionandmanagementaswellastheir

6、importance，countermeasuresandplansasfollows：1)Itisprovedthroughdataanalysisthathaphazardcultivationandtransformationisthefundamentalanddirectcauseleadingtothelakebeingsiltedandshrunk，waterstoragecapabilitybeingdecreased．2)Mainingredientsanalysisisadoptedtofindmainchemicalsubstantial

7、ingredientswhichcausesseriouscontaminationtothewaterinDongtinglake．Inaddition，thecountermeasuresarealsoproposed3)GradualdecreasednumbersofbirdandfishshowsthatcausesofdamagetolivingareaofwildanimalsandplantsisduetounreasonableplantingandinvasionofIII．谴产f^'1●■-●：．仨L．foreignspecies．J．蠢

8、f●一●一洞庭湖湿地生态系统保护与管理