甘肅省生態(tài)足跡的投入—產(chǎn)出分析.pdf

1、醣交眇一、j1簇∥一，。j≥分美=1墅f=j霧二≤i冀薤二』1：鬲業(yè)舒缸史學(xué)碩士學(xué)位論文甘肅省生態(tài)足跡的投入一產(chǎn)出分析j尚海洋導(dǎo)師姓名職稱至劃垡L皇壅二————————一專業(yè)名稱：△圭!量型堂研究方向：皇查絲疊—一論文答辯日期：299生j旦學(xué)位授予日期：!她生j旦答辯委員會(huì)主席評(píng)閱人～二霧零素年五罔二午三日j；、～豫套、=_：o≮一一：一AbstractAfterreviewingthestandardcalculationofEc01

2、09icalFootprint(EF)，thereisanewcalculationofEFintroduced，basedtheInputoutputmodel，whichisdeVelopedandusedwidelyinrecentyearsHavingshowedhowtOusethemethodtocalculatetheEFofaneconomicssyStem，generallycorrespondingtoare百on，

3、countryorproVince，thereisalsotaketheEFcalculationofGansuproVincein2002asanexampletoillustratehowtoapplythenewmethodtoevaluatetheEFandanalysistheenvironmentimpactTheresultOftheEFofGansuin2002showsIhatcheEFcausedbyfinaldom

4、esCicdemaIldis873107ha，nearIytwiceasche【0tallandareaofGallsu，obviouslyoverloadtheenVi玎)nmentsupplyinGansuAndtheEFexportedis126lO。hawith91％ofthe‘energy—density’，andEFimponedis228x10。hawich45％ofitFurther，weusethelinkageana

5、lysismethodbasedonInputOuIpufmodeltocalculacethelandresourcelinkageeffectjndexes，whichareusedtoexplainthelinkagebetweenthesectors(orsectorblocks)throughthela刀dresourceembodiedintheproductstradedandpurchaSedbet、Ⅳeenthesec

6、torsBasedontheresult，wefindthatonlytheagriculturcandtransporIationsectorblocksownIhepoIentialabilitytoofferlandresourcetoothersectorblocksOnthecontrary，theothersectorblockshaVetogainsomelandresourceoutofitselfAsthepotent

7、ialabnicyisconsidered，thea伊iculturejsbiggerthanthetransportationsectorSb10ckAdditionally，wecomparetheEFchangebetweenIhe1997and2002，usingtheEFInput—OutputmethodTheresuItshowsIhac，thereisanincreaseof141107hainEFcausedbyfin

8、aldomes【icdemandcomparingtotheEFof1997，andanincreaseof201護(hù)hajnEFexpon，andanincreaseof16106hainEFimportAndthereisadecreaseoftheoutofre百onsuppoftwhjch226％in1997and186％in2002AndalsowehaVecheckedthechangeoftheEFlinkageeffect

9、betweensectorsin1997and2002Wefindthatthelinkageeff色cCingeneralincreaseandthepoCentialabiljtyoftheag“cultureandthetransponaIjontoofferthelandresourcetootherSdecreaseWedefinedthefactorswhichaffecttheEF：【beproductivityofthe

10、resourcewhichisexplainedbythechangeofresourceusedtoobtainoneunitoutputinasec￡or，theimproVemeⅡtofcheeconomics，andthefjnaldemandUsingtheEFdaCaof1997and2002，weanalysistheeffectofthefactortotheEFchange，respec“VelyWefindthatt

11、hethreefaccors’effecCslotheEFchangearenotidenticalexcepttheindustrysecforsandthechangeoffactorinthea鰣cultufeand山eindusIrysectorscon嘶bu￡emoIethanothers’￡otheEFchangeThefinaldemandisthemainfaccor，whichcausedtheincreaseofEF