简介:
简介:Tobuildtheartificialforestecosystemisthemajoreco-economicdevelopmentmodelinthewatershedofMiyunReservoir.Itisveryimportanttoevaluatethebenefitsofthoseecosystems.Emergytheoriesareveryhelpfulforustoestablishascience-basedassessmentframework.EmergyevaluationoftheartificialforestecosystemsinthewatershedofMiyunReservoirisusedtoassestherelativevaluesofseveralecologicalfunctions(sometimescalledecosystemservices)andmainecosystemstorages(sometimescallednaturalcapital).Themaindrivingenergies,internalprocessesandstoragesareevaluated.Themainfunctions,includingtranspiration,GPPandinfiltration,areevaluated,whichare609em$/ha/yr,6,245em$/ha/yrand340em$/ha/yrrespectively.Thetotalvaluesofmajorenvironmentalservicesare4,683em$/ha/yrintheartificialforestecosystem.Themainstoragesofnaturalcapitalincludinglivebiomass,soilmoisture,organicmatter,undergroundwaterandlandformareestimated,whichare112,028em$/ha,9em$/ha,40,718em$/ha,34em$/haand6,400,514em$/harespectively.Thelargestvalueislandform,whichaccountsfor97.7%ofthesecalculatedtotalemdollarvalues.Theconceptofreplacementvalueisexploredusingtheemergyvaluesofbothecosystemservicesandnaturalcapital.Thetotalcalculatedreplacementvaluesare302,160em$/ha.
简介:Withinthebackgroundoftheneedtopromotetheconstructionofecologicalcivilizationandthecurrentconflictbetweentheeconomicgrowthandtheconstraintsofenvironmentandresources,afterareviewofthetheoreticalstudyandpracticalexplorationofecologicalcivilization,thearticlemakesananalysisofthestatusquoofecologicalcivilizationdevelopmentinBeijing,Tianjin,andHebeiarea,sumsupthemainproblemsthere,andexploresthedevelopmentstrategicframeworktoimprovetheregionalecologicalenvironment.Itcomestothefollowingconclusions:astheecologicalandenvironmentalproblemsintheBTHareaaremainlytheairpollutionandsoon,weshouldseektobuildamechanismofenvironmentalmanagementforsustainabledevelopmentfromthedifferentaspectsofindustrialdistribution,energyutilization,institutionconstructionandmarketparticipation.Weshouldcapitalizeonthechancetoconstructtheecologicalcivilization,promotetochangetheregionaleconomicgrowthpattern,improvethequalityandefficiencyofdevelopment,andfinallypromotethesynergeticdevelopmentofecologicalenvironmentintheBTHarea.
简介:TheCrestedIbis(NipponiaNippon)isendemictoQinlingMountainsofChinaandwasonceabundantovervastareasofnorth-eastofAsiahabitat.Duringthe20thcentury,however,thepopulationdeclinedgreatlyinnumbers.Habitatqualityusedtobethemainthreattothisspeciesbutrecentactionsbythegovernmentandwildlifeprotectionorganizationshavebroughtthisundercontrol.WiththeestablishmentofCrestedIbisNatureReserveinChina,conflictsbetweensocio-economicdevelopmentandCrestedIbisconservationhavebecomemoreacute.HowdowedealwiththerelationbetweenCrestedIbisconservationandcommunitydevelopment?Inthisstudy,theCrestedIbisNatureReserveco-managementmodelnamely'companies+farmers+NatureReserve'modelisproposedandevaluatedwithdemonstrationinvestigationmethods,includingcontinuoussix-yearfixed-sitesocio-economicdevelopmentdataofsurroundingcommunity,companysalesrevenuedataandmonitoreddataofCrestedIbisNatureReserve.Theresultsshowthatfarmers'incomeandconservationawarenessincreasedgreatlyfrom2003to2008;companysalesrevenuehasincreasedbyabout20%annuallyintherecentyears;managementlevelhasnoticeablyimprovedinNatureReserve,thescopeofCrestedIbishabitathasexpanded50hm2;chemicalcompositionofhabitatreducedyearafteryear;andthenumberofCrestedIbishadbeengrowingannually.Attheend,thesuccessofthemodelisevaluated,andproblemsinimplementationofthemodelarediscussedfromthefollowingaspects:managementsystem,co-managementconcept,economicbaseofpartners,marketingmechanism,technicalcapacityandsoon.
简介:摘要:资金管理模式作为集团财务管控重要的组成部分,合适的资金管理模式对资产安全,企业运转效率和企业综合效益有至关重要的作用。企业应从行业、不同发展阶段研究,采取不同的资金管理模式以助力集团战略的达成,增进财务管控价值的创造。
简介:摘要:资金管理模式作为集团财务管控重要的组成部分,合适的资金管理模式对资产安全,企业运转效率和企业综合效益有至关重要的作用。企业应从行业、不同发展阶段研究,采取不同的资金管理模式以助力集团战略的达成,增进财务管控价值的创造。