不同管理模式下的湿地经济价值评估——以中国中部湖北省洪湖湿地为例

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1、毕中农*人学2008届坝l学位论tChapterIIntroductionChinalsavastcountry，whichisrichwithbiolo罂calresourcesincludingnumerouswetlandsHubelProvince．whichlocatesincenⅡaIChina,isfamousforitsfreshwaterlakesandwetlands(SeeAppendix11．andthealluvialplainisahoneycombofwaterwaysborderedbynaturalfevees．thedepressinnalarease

2、ncompassedbythesewatcrways肿dish-shapedinCTOSS—SectionfRandalleta1．1998)Howevorth船ehaveundergonedramaticchangesrempolderedforthecultivationofriceandothereconomiccrops船wellasfishingactivities)inareabecauseofincreasinghumanactivineslikeaP开culture，settlementsandurbanization．waslepollution(Zhoueta1．19

3、96)andhuntingandfurtrapping(Binetal，2004)AnotherreasonCallbeattributedto1ackofawal-JeglessandunderstandingofwetlandsⅢslspartlybecausethedobalbiodiversityvalueofwetlandatⅨ-q5isoftennotexpressedlneconomictermsorsocialbenefits．Eventlloughwetlandscanberankedamongstthemesthighlythreatenedecosystemsont

4、heplaneLnevertheless，thedcgradationandlOSSofwetlandsarestillcontinuingTherefore．acasestudyw勰investigatedtoestimatethedifeetusevalue(DUOofwetlandecosystemsa5wellastoem—oyaneconomicfi'；h"oeworkbycomparingdifferents昀teg／esofwetlandsmanagement1．1BackgroundInformationofWetlandsinHubeiProvince1．1．1TheP

5、hysicalCharacteristicsinHubeiProvinceHubciolleoftheprovinceslncentralpartofPeople'sRepublicofChina，hasallareaof185，900squarekilometresAccordingtothehistoricallandfigure,thelandareaishi曲inthewestandlowinthecast，withmountainsandhillsexceptintheSOUthThenanleHub萌means”northofthelake”，referringtoHubei

6、’spositionnorthofDong【ingLakeIthasasubtmpical证clima慨州t}l晒Ⅱentdroug}ltsandfloods．ThecapitaldtyofHubdIsWuhan卜弋(Sourcefrom：ChinaYearbook2006)HUBEJPROVINCEFigure1．1MapofChinaBasedonthecurrentgeographiclocation，itiseasilytoknowthatHubeibordersHenantothenorth，Anhuitotheeast，Jiangxitothesoutheast，Hunant

7、othesouth，Chongqingtothewest，andShanxitothenorthwestThehigh·profileThreeGorgesDamislocatedin华中农业人学2008届硕t：学位论文westernHubei．whileJianghanPlaincoversmostofcentralandeasternHubei．Thewestandtheperipheriesaremoremountainous