简介:Acityisanorganicsystem.Theconstructionofanecologicalcivilizedcityisasystematicproject,whichcallsforreasonable,organicandsustainableconstructionofcitiesinallrespectsfrommultidimensionalperspectivesofplanninganddesign,policiesandsystems,industrialeconomy,scientificandtechnologicalinnovation,cultureandeducationandsoon,amongwhich,theplanninganddesignistheoverallpositioning;thepoliciesandsystemsarethefundamentalguarantee;theindustrialeconomyisthekeysupport;thescientificandtechnologicalinnovationisthecoresupportandthecultureandeducationisthehumanistmotivation.
简介:Inthispaper,nonnegativesolutionsforthedegenerateellipticsystemsareconsidered.First,nonnegativesolutionsforscalarequationwithspatialdiscontinuitiesarestudied.Thenthemethoddevelopedforscalarequationisappliedtostudyellipticsystems.Atlast,theexistencecriteriaofnonnegativesolutionsofellipticsystemsaregiven.
简介:Thispaperisasummarizationonevaluationofvalueofartificialforest.Themaincontentsinclude:(i)thedifferenceinconceptsbetweenecologicalfunction,ecologicalefficiencyandecologicalbenefitsofartificialforest;(ii)themotiveandseveraltachesofeconomicfeedbackorcompensationforecologicalbenefit;(iii)theecologicalefficienciesofartificialforestandthemaincorrelativefactorswhichincludestheecologicalefficienciesofartificialforestandthemaincorrelationfactorsinfectingtheecologicalefficiency;(iv)thebasicmathcorrelationsbetweenecologicalefficienciesofartificialforestandtherelatedfactors;(v)servicerangeoftheecologicalefficienciesofartificialforest;and(vi)thebasicprincipleofmeasurementofecologicalefficienciesofartificialforest.Attheend,thebasicmethodsofmainecologicalefficienciesofartificialforestareexpatiated.
简介:Thelogisticssystemisacomplexecosystem.Ecologicallogistics(EL)isdevelopmenttrendofmodernlo-gistics,andofimportantpracticalsignificance.Effectiveuseofresourcesandenvironmentalprotectionshouldbeputinthetoppositionoflogisticsdevelopment.TostrengthenresearchonlogisticsecologizationandrealizeecologicallogisticsishelpfultoimproveChineselogisticsmanagement,achievegoalsofsavingenergyandreducingemissions,protectenvironmentandobtainsustainableeconomicdevelopment.Accordingtotheecologicalcharacteristicsoflogisticssystem,thispaperputsforwardthatELcanberealizedbygreenlogistics,agilelogistics,leanlogistics,re-verselogistics,environmentallogistics,cyclelogistics,cleanerproductionandotherformsundertheglobalization,andanalyzestheirrelationship.
简介:ThereisalackofinformationaboutthefactorsresponsiblefortheeffectivenessofenvironmentalpoliciesinBrazilianagriculture.Thisstudyaimedatidentifyingtheperceptionandpracticesofagrarianprofessionals.Thedataanalysiswascarriedoutusingasurveyandmethodologicalapproachesfocusingonenvironmentalcomplexityandcategorizationofenvironmentalactions.Quantitativeanalysiswasbasedondescriptivestatistics.Atmosphericproblemswereperceivedasthemainproblemsforthecurrentandnexttwogenerations,whilehydrologicalproblemswereindicatedasthosedeservingmosturgentsolutions.Ontheotherhand,themaindevelopedactionsandthoseplannedtobecarriedoutwereclassifiedwithintheresponsibilitycategory.Becauseofthereductionistperceptions,introductionoftheconceptofasocio-ecologicalsystemisindicatedbymeansofmethodologicalinterventionsduringthedevelopmentofagrarianprofessionals;also,inordertostimulateactionsrelatedtothecompetenceandcitizenshipcategory,amethodologicalinterventionfocusingonresiliencethinkingisproposed.Typicalactionsofindividualswitheitherreductionistorcomplexconceptionsoftheenvironmentcanbecapturedand,therefore,educationalstrategiescanbetracedbasedontheprofilesobtained.
简介:Thisarticlegraspstheimplicationofecologybasedonthetheoryofgreenway,WiththepurposeofmakingZhejiangProvincebecomeanecologicalprovince,itpointsoutthattheproblemsexistinthegreenwayconstructionandmakesitclearthatthegreenwayconstructionisveryimportant.Furthermore,incombinationwiththelineargreenopenspaces,suchasgreeningpassages,touristareas,andadministrationfacilitiesinZhejiangProvince,thisarticleputsforwardthestrategicideasofthegreenwaysconstructionandthestrategies,measurestoapplythegreenwaysconstruction.
简介:Currentaccountingstandardsandsystemsdonotincludetheaccountingofforestecologicalassets.Withtheincreasingattentionthatpeoplepaytoforestecologicalissuesandtheneedsforaccountinginformationdisclosure,itsvalueaccountinghasbecomeaforefrontissueandhottopicintheaccountingprofession.Theprofoundissuesaboutitsparticularities,accountingrecognitionandmeasurementsaretobesolved.Basedontheanalysisofthefeaturesofforestecologicalassetsanditsimpactsonaccountingrecognitionandmeasurement,thispaperproposesthataccountingrecognitionshouldbebasedontheappraisalandafairvaluemodelissuggestedforinitialandfurthermeasurementofforestecologicalassets.Forthefairvaluemeasurement,theappraisaltechniquesofnon-marketvaluesshouldbegivenmoreconsideration.Anditsvalueappraisalmethodsshouldrefertotheexistingmatureecologicaleconomicorenvironmentaleconomicappraisalmethods.
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简介:Basedonmeteorological,hydrological,forest,andgrasslanddatacollectedbylocationobservation,remotesensing,fieldsurveysandrelevantliteratureduring1956to2009,theecologicalenvironmentchangeinnorthernslopeoftheQilianshanMountainswasanalyzedsyntheticallyusingregressionandcorrelationanalyses.Theresultsshowedthatthetemperaturehadanannualvariationrateof0.0334℃·a-1innorthernslopeoftheQilianshanMountainssince1960,andexhibitedaraisingtrend,especiallysince1987.Theannualvariationrateofannualprecipitationwas0.5702mm·a-1,indicatingthattheprecipitationtendedtoincrease.Theclimatehadchangedfromaridtohumidinthisregionsince1976.From1956to2006,theglacierareaofsixinlandriverbasin(Shiyangheriver,Heiheriver,Beidaheriver,Shuleheriver,DangheriverandHalternheriver)andDatongheriverbasininnorthernslopeofQilianshanmountainsdecreasedby17.7%.Thicknessoftheglacierreducedabout5-20m,andthesnowlineroseabout100-140m.TheGlaciericereservesininlandriverbasinofHexidecreasedby11.4%.From1972to2007,27glaciersintheeasternsectionoftheQilianshanMountainsdisappeared.From1956to2009,therunoffchangeinthenorthernslopeoftheQilianshanMountainswasdifferentindifferentregions.TherunoffwasreducedsignificantlyinShiyangheriverbasin,increasedslightlyinHeiheriverbasin,andincreasedobviouslyinShuleheriverbasin.From1958to1988,theareaofdeforestationandfarmingwasmorethan10.0millionha,andtheforestareawasreduced0.6millionha.SincetheQilianshanMountainNatureReservewasestablishedin1989,theforestwasrestoringgraduallybecauseofcontinualprotectionandcultivating,andtheforestareawasincreased9.4millionhafrom1989to2008.Duetohumaninterference,especiallyover-grazingimpact,thequalityofthewood-land,shrub-landandgrass-landinnorthernslopeoftheQilianshanMountainswereinadegradedcondition,whichre
简介:LubeiGeneralCompanyofEnterpriseGroup,ShangdongProvince,setupjointenterprisesindustrialecosystembysharingresources,symbiosisindustryandcompactstructure.Asanecologicalindustrypark,theindustrialecosystemhasbeenoperatedsuccessfullywithrichexperimentandhasbecomeoneofecologicalindustryexamplesintheworld.BasedonthecasestudyofLubeiecologicalindustryproject,componentsofindustrialchains,matterrecycleandconversion,energycycleandmultilevelutilization,systematicstructureandimpactfactoridentificationareanalyzedandsummarizedinthispaper.ThepossibleextensionanddevelopmentofLubeiecologicalindustryprojectinfutureisbroughtforwardaswell.
简介:Inrecentyears,sincetheInternethasgivenrisetomasscreationandtheinterventionofindustrialcapital,China’swebIPhasexperienceda'blowout'growth,whichacceleratesthedevelopmentoftheecologicaloperationofitsindustrychainapressingissue,especiallyintheecologicalenvironmentviamulti-mediaand'full-copyright'platforms.Inthethesis,theauthorfirstlytalksabouttheecologicaloperationcontextofwebIP,andthentheexistingproblemsoftheecologicaloperationofwebIPindustrialchain,suchastheinsufficiencyincopyrightprotection,theeconomicbubblesonitsexpansion,thelackoforiginalsandthecash-outmentalitytowardcurrency.Therefore,theauthorcomesintotheconclusionthat,thereareenormouspotentialsfortheecologicaloperationofwebIPindustrialchain.ThisdemandsfurtherplatformsacrossthemultipleindustrialrunningofwebIP,buildingitsbrandthroughthedevelopmentof'full-copyright'.Inoneword,thelifeofwebIPwouldbesustainedwithecologicalprogressinmultimediaconsumption,andtheecologicaloperationofwebIPindustrialchainwouldbeachievedinfact.