学科分类
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60 个结果
  • 简介:Inthispaper,theauthorusessuper-efficiencyDEAmodeltomeasurethenationalandregionalenergyefficiencyinChina;usingspatialeconometricmodelandfromtheperspectiveofgeo-spatialspillover,theauthorinterpretsthespatialcharacteristicsofenergyefficiencyandextractsthemainfactorsthatinfluencetheregionalenergyefficiency.Theanalysisresultsshowthat:(1)thenationalandregionalenergyefficiencyisconsistentwithinvertedU-shapedcurve,andthenationwideenergyefficiencygapisincreasing;(2)energyefficiencyhastheobviouseffectofthespatialexternaleffect,andwhenthegovernmentmakesenergysavingstrategies,inter-regionalenergycooperationandtheproliferationofadvancedproductiontechnologyshouldbegivenmorepriority;(3)energyefficiencyhassignificantnegativecorrelationwithgovernmentintervention,industrialstructure,ownershipstructure,theenergyconsumptionstructure,andresourceendowments,andhaspositivecorrelationwiththedegreeofopening-upandenergyprice.

  • 标签: 能源效率 区域分布 污染物 排放 计量经济模型 能源消费结构
  • 简介:Chinaisexperiencingaprocessofrapidindustrializationandurbanizationatthecostofagriculturallandandenvironment,particularlyinthecostalareas.ThisstudytakesJinanasacasepresentingatime-seriesanalysisofurbanlandexpansionfrom313to2003.TheresultsshowthattheurbanexpansionofJinancitymainlytookplaceinthelast100years,especiallyaftertheeconomicreformin1978.Socialdevelopmentandeconomicgrowth,urbanpopulationgrowthandmigrationpolicieswerefactorsdrivingtheurbanlandexpansion.Urbansprawlresultedinadisappearanceofwetlandsandagreatlossofagriculturalland,andover-pumpingofgroundwaterthatledtodisappearanceofthecity'sfeature,namely"thecityofsprings".

  • 标签: URBAN LAND EXPANSION driving FORCES ENVIRONMENTAL
  • 简介:Bymeansofthedynamicregressionmodel,thispaperanalyzestherelationshipsamongeconomicgrowth,urbanizationandchangesofcultivatedlandinChina,findsthattheratioofcultivatedlandoccupiedbyeconomicgrowthisdecreasingwithsocialandeconomicgrowth.And,basedonthat,somepolicysuggestionsonhowtopromotethesustainableuseofcultivatedlandinChinaareputforward.

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  • 简介:Inthisresearch,theFactorAnalysismodelofmeasuringprovinciallowcarbondevelopmentinChinahasbeenconstructed.Basedondatafrom30provinces,anempiricalstudywasdevelopedtomeasurecomprehensivelowcarbondevelopmentusingtheFactorAnalysismodel(PrincipalComponentsmethodandNormalizedVarimaxRotation).Theresultsrevealthattheprovincialmarksoflowcarbondevelopmentaregenerallylowandonlynineprovinceshavehighmarks(morethan0.80).Theresultsalsoshowsignificantregionaldisparity.TheprovincialmarksoftheeasternregionarehigherthanboththemiddleandwesternprovincesofmainlandChina.Alloftheprovinceswithhighmarks(morethan0.90)arelocatedintheeasternregion,andthosewiththelowestmarks(0.60)arelocatedinthemiddleregion.Furthermore,regionaldisparityinlowcarbondevelopmentfollowsthesamepatternaseconomicdevelopmentinChina.Finally,somesuggestionsfordecision-makersarepresented.

  • 标签: 中国大陆 低碳 综合评价 因子分析模型 主成分分析法 东部地区
  • 简介:TheproblemofwaterresourceshasbecomeabottleneckforthesustainabledevelopmentofBeijingandHebeiProvince(thetworegionstogetherarecalled"JingjiRegion"forshort).Itisimperativetoestablishaneffectiveandequitablewaterresourcesecologicalcompensation(eco-compensation)mechanism.Thethreestagesofwaterresourceseco-compensationareexpatiatedherenamelytheeco-compensationmissingstage,ecocompensationstartstageandtheeco-compensationdevelopmentstage.Throughtheestablishmentofeco-compensationgamemodelbasedonthegametheory,thereasonsoftheformationforthethreestageswereanalyzed,aswellastheconversionconditionsfromnon-cooperativegametocooperativegameamongtherelatedstakeholdersincludingthecentralgovernment,thewaterrecipientgovernmentandthewatersourcegovernment.Furthermore,thisstudypointedoutthatthewaterresourceseco-compensationinJingjiRegionwasnotestablishedbasedontheinstitution,butformedanddevelopedincopingwiththechallengesofwatercrisis.However,institutionconstructionisquiteessentialingameprocessforthewaterrecipientgovernmentandthewatersourcegovernment.Finallyrecommendationsinfourareasincludinglegalizationofeco-compensationmechanism,settingupcompensationstandards,leadingindustrialupgradinganddevelopingrelatedincentivesandconstraintswereconcluded.

  • 标签: 生态补偿机制 河北省 北京 水资源问题 非合作博弈 中央政府
  • 简介:Sourceseparationisthebasicpremiseformakingeffectiveuseofhouseholdwastes.IneightcitiesofChina,how-ever,severalpilotprojectsofsourceseparationfinallyfailedbecauseofthepoorparticipationrateofresidents.Inordertosolvethisproblem,identifyingthosefactorsthatinfluenceresidents’behaviorofsourceseparationbecomescrucial.Bymeansofquestionnairesurvey,weconducteddescriptiveanalysisandex-ploratoryfactoranalysis.Theresultsshowthattrouble-feeling,moralnotion,environmentprotection,publiceducation,environmentvalueandknowledgedeficiencyarethemainfactorsthatplayanimportantroleforresidentsindecidingtoseparatetheirhouseholdwastes.Also,accordingtothecontributionpercentageofthesixmainfactorstothetotalbehaviorofsourceseparation,theirinfluencingpowerisanalyzed,whichwillprovidesuggestionsonhouseholdwastemanagementforpolicymakersanddecisionmakersinChina.

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  • 简介:Basedonthestakeholdersmanagementtheory,thispaperprovidesanewstrategicmanagementmethodfortheNationalSustainableDevelopmentStrategy.BytakingChina'sNationalSustainableDevelopmentStrategyManagementasanexample,thispaperidentifiesallthestakeholdersinvolvedandthenassessesstakeholdersfromtwodimensions,namely'Importance'and'Attitude',bywhichallofthestakeholdersaredividedintosixcategories.Onthisbasis,furtheranalysisismadetoworkoutstrategicmanagementprogrammebyschedulingthestrategicemphases,stepsandmanagementcountermeasuresfordifferenttypesofstakeholderssoastoprovidetheorticalevidenceforthepracticeofNationalSustainableDevelopnentStrategymanagement.

  • 标签: 可持续发展战略 利益相关者 管理理论 类别划分 基础
  • 简介:Aimingatfacilitatingtheresearchofurbantourismimagepositioning,thispapersummarizesthedomesticandabroadtheoriesonurbantourismimageandanalyzesitssignificanceforcities.WithDengfengasanexample,itsgoalistoboostdevelopmentofDengfengtourism,whichisanexcellenttourismcityinChina.Thispaperpresentsitscurrenturbantourismdevelopingsituation,positionsitstourismimage,concludestheplanofimagebrandandproposespromotionalslogansbasedontheanalysisofDengfengtourismlocalfeatures,itscoreelementsandperceptionsofvisitors.

  • 标签: 旅游形象定位 城市旅游形象 登封市 河南省 旅游城市 旅游发展
  • 简介:TheflowofrurallabortourbanisasignificantphenomenoninChinaduringthelast20years.Inspiteofmanyresearchesfocusonthedrivingforceofeconomy,terrainisanimportantindexintheruraldevelopment.Thereisaquestionthatwhethertheflowofrurallaborhassomerelationshipswithterrain.Thestudyusedthereliefdegreeoflandsurface(RDLS)asterrainindex,andthecostdistancemodelandthecenterofgravitymodeltoanalyzetherelationshipbetweenterrainandlaborflows.Theresultsindicated:(1)Inthelast20years,therurallaborforcewasnotsimplyflowingtothelowterrainregioninShaanxiprovince.AndtheRDLSwasconstantlystrengtheningtheinfluenceonthemovement.(2)TheRDLSwaslowinGuanzhongregion,andthetranslationofrurallaborsrelativelywasnotsignificant.SinceNorthShaanxiactastheenergyindustrybase,thenumberofrurallaborsthereincreasedfasterthaninSouthShaanxi.(3)Themovementsofeconomicalcenterstookanimportantroleinthechangeofrurallaborcenters,andterrainfactorsalsoshowedahighcorrelationwiththem.Itisfoundthattheloweroftheterrainindex,thehigherofthelandintensivedegree,themoreintensiveofnonagriculturalizationprocess.

  • 标签: 农村劳动力 劳动力流动 地形因子 陕西省 中国 地形指数
  • 简介:Inordertoachievesustainableutilizationofnaturalresources,saveenergyandprotectenvironmentandecosystem,itisimportantforaregionoranationtodevelopandimplementaviablewasterecyclingmodelfromboththeoreticalandpracticalpointofview.Somepackagingrecyclingmodelsoperatedindevelopedcountriesareintroducedinthisarticle.Aluminiumcanrecoveryandrecyclingisemphasized.Costeffective,economicandenvironmentalbenefitofdifferentmodelsarecomparedandanalyzed.Theresultshowsthatallrecyclingmodelshavetheircharacteristicsduetotheinitialpurposeofrecoveryandthesituationoftheimplementingcountry.However,allthemodelscontributetothereductionofmunicipalsolidwastedisposalandresourcesconservation.

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  • 简介:Biomass,asfuelwood,isoneofthemajorsourcesofenergyinruralareas,especiallyinthemountainousregionsoftheworld.Astheincreasinghumanpopulationexertsmorepressureontheforesttherebyinducinganadverseeffectonthesustainabilityoftheecosystem,whichconsequentlycausesfuelwoodcrisisatalocallevel,thiscrisisisspatio-temporalinnature.Thus,themajorobjectiveofthisstudyistoassessthesustainabilityoffuelwoodatdifferentprobablescenariosatamicrowatershedlevel.ThepresentstudywasconductedinthePhakotwatershed,theTehriGarhwaldistrictofcentralHimalayainIndia,during2006-2008.Basedonthevegetationcompositioninthestudyarea,thenetprimaryproductivity(NPP)valueoftheOakforest,andmixedoakandsalforests,wasusedforthequantificationoffuelwoodavailabilityinevergreenanddeciduousforests,respectively.Thefuelwooddemandwascalculatedonthebasisofseasonalfuelwoodconsumptionvalues.Nineprobablepermutationsforavailability-demandscenariosassumingtheexistenceofhigh(H),low(L)andaverage(A)conditionswereanalyzedforevaluatingthestress.Theavailableannualharvestablefuelwoodinthewatershedisintheminimumandmaximumrangesof2283.28to4066.00tons,respectively,peryearwhereasithasademandof110.76tonsastheminimumto3659tonsasthemaximumannually.Thisshowsthatinthecurrentavailabilitydemandscenario,thewatersheddoesnothavefuelwoodcrisisinthepresentsituationbutneedstomaintainthesustainabilityofthesystem.Basedonourstudy,itisconcludedthat,globally,morespatio-temporalstudyisrequiredtounderstandtheissuesatthelocallevel.

  • 标签: WATERSHED FUELWOOD ASSESSMENT BIOMASS stress SUSTAINABILITY
  • 简介:Theoverallregionaldevelopmentplanningpatternhasbeenconsideredtobeanewandeffectivepatternasfordevelopmentofprovincialeconomy.ThearticleanalyzedthecurrentconditionsofthewestofShandongProvinceandtriedtofindthegenerationmechanismsofcurrentnon-balancedeconomicdevelopmentofShandongProvince.Andthenapproachestoregionaldevelopmentwereputforwardaccordingtothetheoryofregionaldevelopmentpatternasawhole.

  • 标签: 西部大开发 山东省 规划 区域发展 非均衡 经济
  • 简介:Eco-efficiencyisavaluabletoolformanagingandsolvingissuesinvolvingresourceconsumptionandpollutionemissionincurrentproductionprocesses.Despitethepopularityoftheterm"eeo-efficiency"inbusiness,limitedattentionhasbeenpaidtomeasuringandreportingregionaleco-efficiencyforlocalgovernmentpolicymakers.Basedontheconceptandmethodofeco-efficiency,anindicatorsystemofregionaleco-efficiencyisestablishedinthisstudy.Theindicatorsystemcomprises22indicators,whicharedividedintothreecategoriesincludingsocio-economicdevelopment,resourcesconsumption,environmentalpressure.Asapromisingstatisticaltechnique,principlecomponentanalysisisusedtosettheweightofindicatorswhichattemptstocalculatetheeco-efficiencyindicesofQingdao'sChengyangDistrict.Theresultsshowthattheeco-efficiencyofChengyangDistricthasclearlyimproved35.1%withsmallfluctuationfrom1995to2003.Socio-economicdevelopmentindexandresourcesconsumptionindexalsorepresentobviousincreasingtrends.Thecorrelationcoefficientbetweensoci-economicdevelopmentindexandresourcesconsumptionindexis0.979,whichmeansthesocialprogressandeconomicgrowthofChengyangDistrictdependonanextravagantconsumptionofresources.Theenvironmentalpressureindexincreasedslowlybefore1997anddeclinedgraduallyafter1997,duetomoreattentionbeingpaidtoenvironmentalprotectionbylocalgovernmentinrecentyears.ChengyangDistrictstillkeepsthetraditionaleconomicdevelopmentmodewithahighconsumptionandhighproduction,sotheemphasesoffuturedevelopmentshouldputonimprovingtheimprovingtheefficientuseofnaturalresourcesandpromotingenvironmentalmanagementsustainability.Theresultsshowthattheindicatorssystemofregionaleco-efficiencyisapromisingmethodtoquantitativelyevaluateresourcesandenvironmentalefficiencyandprovideaneffectivedecision-makingsupportforlocalgovernments.

  • 标签: REGIONAL ECO-EFFICIENCY indicator system Ecoefficiency SYNTHETIC
  • 简介:Climatechangeisexpectedtobeamajordrivingforceoflandscapeinthecomingdecades.Itwillhaveamultitudeofpotentialimpactsthatvaryinintensityandeffectaccordingtoregionandsector.Inthecontextofglobalwarming,theclimateofChinahaschangedsignificantlyintherecent100years.ThereasonforclimatechangeinChinaismainlyduetoirrationallandusecausedbyhumanactivities,whichchieflyresultsintherapidindustrializationandurbanizationprocess.Basedonanassessmentmodel,thisresearchrepresentsapictureoftheimpactsofclimatechangeinsixdistrictsofHangzhouregion.Theaimofthispaperistoconclude,ontheonehand,someofHangzhousensitivitiesinrelationtotheprimaryeffectsofclimatechange.Ontheotherhand,areflectionismadeonamethodologytoformulatepreconditionsonascientificbasisforfurtherresearchbydesignofintegratedadaptationoptionsforthefuturespatialdevelopmentsinfunctiontoupgradeHangzhouresilienceinrelationtoclimatechangechallenges.

  • 标签: CLIMATE CHANGE IMPACT Hangzhou
  • 简介:Companiesbearprimaryresponsibilityforlow-carboneconomy,thusrelevantlow-carbonpoliciesshouldbesetproperlytoguidethemandtoensuretheirlow-carbonproductioneffectively.Tosolvetheproblemsgeneratedduringlow-carbondevelopment,thisarticleverifiestheexistenceofthetransmissionpathandstrength.Thisverificationincludesmediatingvariablesofcompanies’willingnessandcapacitytoconductlow-carbonproduction,atransmissionmechanismthroughincentivepathandresourcesprotection,andquestionnairedataofagriculturalcompanies.Conclusionsshowthatthelowcarbonpolicieshaveobviouspositiveeffectsonwillingnessofcorporation;thebasicservice-orientedpolicyhasasignificantlypromotingeffectonlow-carbonproductioncapacity;andlow-carbonproductionperformanceispositivelyinfluencedbywillingnessaswellascapability.Aimingatabettertransmissionpath,somecorrespondingrecommendationshavebeenputforwardintheend.

  • 标签: low-carbon policy WILLINGNESS of COMPANIES to
  • 简介:InChina,farmlandpropertyrightscharacterizedbythehousehold-responsibilitysystem(HRS)havebeenimprovedsincethereformandopening-up.Therightsofuse,transferandgainbecomemorestable,authorizedandcomplete.Thispaperfirstlyanalyzestheimpactonfarmlandproductivity,whichcomesfromtheimprovementoffarmlandpropertyrights.Then,aneconomet-ricmodelisbuilttotesttheaboveanalysis.ItconcludesthatchangesofpropertyrightswillaffectfarmlandperformanceinChina.Intheend,somepolicyimplicationsareexploredforfur-therreforms.

  • 标签: 农地利用 土地所有权 中国 制度变迁
  • 简介:WiththeincomeincreaseofelderlypeopleinBeijingandtheimprovementofleisurefacilitiessince2000,thequalityofelderlypeopleleisurelifeinBeijinghasobviouslyincreasedcomparedtotenyearsago.Accordingtotheinvestigationandcomparativeanalysisonmorethan900elderlypeople,whousuallyexerciseinpublicparksinBeijingCity,wehavefoundoutseveralnewfeaturesofelderlypeople’soutdoorrecreationinBeijing:theincreaseoftheleisuretime,theexpansionofleisurespace,theindividuationofinterestandthediversificationofconsumption.Theleisurelifequalityevaluationindexsystemofurbanelderlypeoplecanbebuiltbasedontheseanalyses.Inordertoaccommodatethedevelopmenttendencyofelderlypeople’sdemandforleisurediversification,weshouldstrengthentheorganizationandmanagementofelderlypeople’sleisureactivityinurbanconstruction,andpaymoreattentiontofunctioncomplementationbetweencommunitiesandparks.

  • 标签: 休闲设施 中老年人 城市建设 北京市 比较方法 质量评价指标体系