草地生態(tài)系統(tǒng)價(jià)值評(píng)估及其動(dòng)態(tài)模擬.pdf

1、分類號(hào)密級(jí)弋目差≮夭等博士學(xué)位論文v773508單位代碼：10019學(xué)號(hào)：B02186草地生態(tài)系統(tǒng)價(jià)值評(píng)估及其動(dòng)態(tài)模擬TheValuationandItsDynamicModellingof研指theGrasslandEcosystems冗生：遵遺導(dǎo)教師：鹽建墾絲攫合作指導(dǎo)教師：送纏曾熬援申請(qǐng)學(xué)位門(mén)類級(jí)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(xiàng)目資助完成：l、“I一五”國(guó)家科技攻關(guān)項(xiàng)目課題“巾國(guó)

2、草業(yè)發(fā)展戰(zhàn)略研究”；2、“十五”國(guó)家科技攻關(guān)壩目諜題。草地植被恢復(fù)重建關(guān)鍵技術(shù)研究與示范”名方學(xué)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