草地生態(tài)系統(tǒng)價值評估及其動態(tài)模擬.pdf

1、分類號密級弋目差≮夭等博士學位論文v773508單位代碼：10019學號：B02186草地生態(tài)系統(tǒng)價值評估及其動態(tài)模擬TheValuationandItsDynamicModellingof研指theGrasslandEcosystems冗生：遵遺導教師：鹽建墾絲攫合作指導教師：送纏曾熬援申請學位門類級別：筮堂擅稱：蔓業(yè)抖堂向：塋絲生盔堂院：麴塑丑堂堇盔坐瞳2005年5月本論文由“下項目資助完成：l、“I一五”國家科技攻關項目課題“巾國

2、草業(yè)發(fā)展戰(zhàn)略研究”；2、“十五”國家科技攻關壩目諜題。草地植被恢復重建關鍵技術研究與示范”名方學業(yè)究在專研所AbstractThevaluationofecosystemshasbecomeahotissueintheprotectionoftheglobalenvironment，however，howtoevaluatethevaluesanddynamicsofrangelandecosystemsisabasictheoreti

3、calproblemofthehotissuetobesolvedwiththefistpriorityandhasnowattracteduniversalattentionallovertheworldTheintegratedstudiesofthevaluationanditsdynamicmodelingoftherangelandecosystemshaveinvolvedintheoriesandmethodologies

4、ofbotanyrestorationecologysystemsecologyecologicaleconomicsetc，SOthisdissertationreviewedthelatelytheoreticaldevelopmentsofrelatedresearchfieldsOnthebasisofsystematicanalysesandsummarizationofthepreviousandpresentresearc

5、hesonecosystemsrestoration，ecologicaleconomicvaluation，thefoundationaltheoreticalfiameworkpresentedforstudyingthevaluesandtheirdynamicsoftherangelandecosystemsInordertoevaluateanddemonstratethepotentialofvaluesofrangelan

6、decosystemsthroughcasestudythisdissertationfocusOnthemngelandecosystemsinShilingaole，InnerMongoniaSomecombinedvaluationtechniquesincludingtraditionalandlatelydevelopedvaluationmethodologyareappliedtothedissortationThemai

7、nresearcheffortsandcoUCtusionsasfollov／a：1)Analyzedandexploredtheoreticalframework，types，examplesandexistingproblemsrelatedtovaluationofnaturalcapital，ecosystemservicesandenvironment，studiedthebackgrounds，strategiesandty

8、pesofecosystemrestorationresearches，anddiscussedtheperspectivesanddirectionsofvaluationofrangelandecosystems2)ThedetailedframeworkandcomponentsforstudyingthedynamicsandvaluationoftherangelandecosystemswereestabUshed，whic

9、hareveryhelp‘fulfordecision—makingandmeasuredynamicvaluesofrangelandecosystemManydevelopmentdecisionsaremadeoneconomicgroundsByprovidingameansformeasuringandcomparingthevariousbenefitsofrangeland，economicvaluationcanbepo

10、werfultoolstoaidandimprovewiseUseandmanagementoftherangelandInthepast，rangelandhavebeenundervaluedbecausemanyoftheecologicalservices，biologicalreSourcesandamenityvaluestheyprovidearenotboughtandsoldandhencearedifficultto

11、priceThenewframeworkconsistsof4components：(1)Valuationofecologicalcapital；(2)Valuationofecosystemfunctionsandservices；(3)Vainationanditsdynamicmodelingofprocessesofecosystemrestoration；(4)ManagementsuggestionsThedisserta

12、tionpresentedanewvaluationframeworkofecologicaleconomicsystemscombineddynamicmodeling，processanalysis，andmanagementresearchestogetherwhichisveryusefulfordecisionmakingofecologicalinvestment3)Thedissertationusesanalternat

13、ivemeasureofvalue，basedonrealcontributionstosystemperformance，termedemefggspelledwithan“M”Itisanewconce“whichquantifies”energymemory”inproductsandprocessItisanaccountingunitoftotalcontributions，directandindirectusedingen

14、erationofaproductOrserviceItisaconceptderivedfiomunderstandingwholesystems，theirinteractionsandinterdependence，andtheresourcesdrivingandmaintainingthemThisbroaderapproachcouldhelpUStoinvestigateresourcesutilizationandpot