陕北黄土高原丘陵沟壑区生态经济模式研究

《陕北黄土高原丘陵沟壑区生态经济模式研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、陕西师范大学硕士学位论文陕北黄土高原丘陵沟壑区生态经济模式研究姓名：赵德芳申请学位级别：硕士专业：自然地理学指导教师：孙虎20050501互促进、良性循环、协同进化；实现经济效益、社会效益和生态效益相统一的综合效益，使生态经济系统功能最大化。在该模式框架下，不仅可以促进当地经济和陕西本省的发展，同时也将为西部地区生态环境建设、扶贫丌发和可持续发展提供借鉴。关键词：陕北黄土高原丘陵沟壑区生态经济模式生态经济系统2TheStudyoftheEcologicalEconomicsModelinginLoessHillyandGullyRegionofNorthernShannxiZhaoDe—fan

2、gAbstract：Ecologicaleconomicsistocometotreatthesocialeconomicquestionfromtheecologysystem，studytheeconomicfactorofecologicalchange．Ecologicaleconomicsbringstheecologicalfactorintoanalysisframeofeconomics，studyecologicalfactorandeconomicactivityandecologicalbenignbalancedandsustainabledevelopmentofec

3、onomyofchange，economicfactorofphenomenon．Asthemostbasiccategoryofecologicaleconomicsofsustainabledevelopment，Itsmostbasicprincipleisthecoordinateddevelopmentoftheecology,economy,society,culture，environment．ecologicalenvironmentisaprimaryconditionofhumansurvivalanddevelopment，andafoundationofsoeio·ec

4、onomicdevelopment．Loessplateauhillsgullydistrictsoilerosionmostserious，ruralresidentlifepoorarea．Thegullydistrictsofhillsofloessplateauareanecologicaleconomiczone，notasimpleecosystem；itisnotasimpleeconomiczone．Withthedevelopmentofhumansociety,theconstantenlargementofwhatthehumaneconomicactivityisenc

5、losed，maketheecosystemofloessplateauchangeconstantly．Eventothisday,thegullydistrictsofhillsofloessplateauhavebecomeaneconomicecologyofweakecology,betterhumanactivitywithverymuchfragileecologyandcompoundedinthearea．Theoriginthatitsecologicalenvironmentdegradatesseriouslyliesinthecongenitalandfragilen

6、aturalecosystem，superposetheextremelyunreasonablehumanactivity,andmakepeopleandnaturalrelationinsharpantithesis。Forthisreason，thistextproceedsfromangleoftheecologicaleconomicsresearchofsustainabledevelopment，rebuildandresumewiththeenvironmentforthepurposewiththeecology,Itisdiscussedhowtocarryonthese

7、tting-upoftheecologicaleconomicsmodelingofhillyandgullyofloessplateau，thusrealizethefinalpurposewithunifiedecologicalbenefits，economicbenefitsandsocialbenefit，makeloessplateauhillsgullydistrictecologi