榆神府礦區(qū)生態(tài)脆弱性評價.pdf

1、西安科技大學(xué)碩士學(xué)位論文榆神府礦區(qū)生態(tài)脆弱性評價姓名：何瑩申請學(xué)位級別：碩士專業(yè)：環(huán)境科學(xué)指導(dǎo)教師：趙曉光@Subject:AssessmentofEcologicalFragilityinYushenfuMiningSpecialty:EnvironmentalScienceName:HeYing(Signature)Instruct:ZhaoXiaoguang(Signature)ABSTRACTYushenfuminingarea

2、，whichisrichincoalresourceshasbecomealargecoaldevelopmentbaseinChina.NumerousecologicalenvironmentalproblemsarearisensinceitislocatedinthepastalareasofnthernChinathetransitionzoneofdeserttheLoessPlateausuchastheseriousde

3、sertificationsoilerosionaseriesofnewenvironmentalproblemsfromcoalmining.InvestigatingthecausesofthefragilityinYushenfuminingareahasgreatsignificanceinimplementingthestrategyofsustainabledevelopmentaswellasimprovingofthee

4、cologicalenvironmentinYulin.BasedonthesurveyYushenfuminingareathetheyofecologicalfragilityaevaluationsystemofecologicalvulnerabilityfminewassetup.SPA(setpairanalysis)wasusedtoevaluattheecologicalfragility.Finallyusingfac

5、tanalysis25factsof10yearswerechosetofindthemaindrivingfceoffragileenvironmentinYushenfumining.Themainconclusionsareasfollows:⑴DividedtheecologicalsystemofYushenfumininginto4subsystem:ecologicalenvironmentnaturalresources

6、socioeconomicsustainabilitythengotthe13indicateswhichweresuitablefevaluatingtheecologicalfragility.TheweightoftheindicatswereedbyAHP.ThenreferencetotheregionalplanningofYulinCitytheexperts’opinionthestardsofecologicalvul

7、nerabilityassessmentinYushenfumineweremade.Sincetheuncertaintypointofecologicalfragilitythe⑵tenstraightyears’ecologicalfragilityofYushenfumineareawereevaluatedbysetpairanalysistheresultsshowedthat:Yushenfumining’secologi

8、calfragulitylevelwasVin1998thatwasveryfragilefrom1999to2003wereIVthatwasstrongfragilefrom2004to2007wereIIIthatwasfragile.Thenverifytheresultsusingthefmulawhichhasbeenconfirmdetherusultswerebasicallysame.Thatistheecologic