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1.
Landecosystemsclassificationandeco-economicevaluationinWudingRiverBasinofYulinRegionChenLiding;FuBojie(ResearchCenterforEco-E...  相似文献   

2.
IntroductionAtmosphericnitrousoxide (N2 O)isaveryradioactivelyactivegreenhousegas,alsocontributingtothedepletionofozonelayerofstratosphere .AtmosphericN2 Omainlyoriginatedfromnitrificationanddenitrificationinterrestrialecosystems.Grasslandecosystem ,accoun…  相似文献   

3.
IntroductionResearchershavebeenpayingmoreandmoreattentionstoecosystemtosupporttheresearchofsustainabledevelopment.Chinesescholarsfavortoexpandthescopeofecosystemfromitsnaturalnesstoitssociality ,fromlocaltoglobal,frommaterialtoabstract,etc .Infact,theatt…  相似文献   

4.
IntroductionThemodelofacidificationofgroundwaterincatchment(MAGIC)isoneofthemostwidelyusedmodelsworldwideforpredictingcatchmentacidificationandisstillunderfurtherupgrading(Cosby,1985;Hinderer,1995;Cosby,1995).Themodel,however,isinherentlyassociatedwithnumericali…  相似文献   

5.
RemovalofheavymetalsfromsewagesludgebylowcostingchemicalmethodandrecyclinginagricultureWuQitang,NyirandegePascasie,MoCehuiF...  相似文献   

6.
IntroductionInnatureCooccursintwooxidationstates ,Co2 + andCo3+ ,andformationofthecomplexanionCo(OH) - 3 isalsopossible .DuringweatheringCoisrelativelymobileinoxidizingacidenvironment,butduetoahighsorptionbyFeandMnoxides,aswellasbyclayminerals,thismetaldoesnotm…  相似文献   

7.
Eco-tourismindustrydevelopment──Analternativetosustainableuseoflandscaperesources¥LuYonglong(ResearchCenterforEco-Environment...  相似文献   

8.
IntroductionInaquaticecosystemsbiologicalcommunitiesareremarkablycomplexinboththeiroperationandresponsetoanthropogenicactivities.Thishasledmanyinvestigatorstoconductlaboratoryandfieldstudiesforevaluatingtheecologicalriskposedbyhumanstoecosystem(Cairns…  相似文献   

9.
IntroductionEnvironmentalcontaminantsmayhavetoxiceffectsonmanydifferentorganismsandaffectbiologicalprocessesatcellular,population ,communityandecosystemlevelsoforganization .Mostrecenthazardevaluationprogramsrecommendalgaetoxicitytestsforevaluationsofc…  相似文献   

10.
IntroductionPhanerochaetechrysosporium (PC)isoneoftheunusualwhiterotfungithatitisabletomineralizethecompoundofnativelignin .Anditalsocandegradealmostallhazardousorganicpollutantsincludinggeneticmutagenicagentssuchaschlorinatedorganiccompounds,polycyclic…  相似文献   

11.
IntroductionWetlandisoneoftherichestbiodiversityareasintheearth .Biodiversityshouldincludefourlevels:hereditydiversity ,speciesdiversity ,ecosystemdiversityandlandscapediversity .Speakingfromcertainangles,theprotectionofecosystemdiversityandlandscapediver…  相似文献   

12.
IntroductionHydrolysisisthereactionofchemicalswithwaterandalsoanimportantenvironmentalprocessoforganicpollutants.Hydrolysisofsyntheticorganiccompoundsoccursviaseveralpathwayswhichinvolvethespecific acid , baseandneutralprocesses.Inaddition ,waterdissocia…  相似文献   

13.
FieldmeasurementsofdisociationofammoniumnitrateataBeijingsiteShenJi,ZhaoQianxueResearchCenterforEcoEnvironmentalSciences,C...  相似文献   

14.
CriticalloadofsulfurdepositionforecosystemanditsapplicationinChinaZhaoDianwu;ZhangXiaoshan;YangJianxin(ResearchCenterforEco-E...  相似文献   

15.
AsimulationstudyonCO2asimilationandcropgrowthinagroforestecosystemsintheEastChinaPlainZhouLin,WangHanjieEcoEnvironmentalRese...  相似文献   

16.
1 IntroductionMunicipalsolidwastes(MSWs)polluteenvironment,occupylotsoflandandcostmuchmoneyfordisposal.Toprotecttheenvironment,itisurgenttosearchforagoodwayofMSWdisposal.Atpresent,therearemanymethodssuchaslandfill,incineration,compost,hightemperatur…  相似文献   

17.
IntroductionNigerianmangroveswampshavegreatfisheriespotentialsandmuchisstillneededtopreservetheecosysteminviewofthepotentprevalenceandaggressivereplacementofthemangrove (Rhizophora)bytheexoticnipapalms (Nypa) (Moses,1 985;Wilcox ,1 985;King ,1 997) .Amongthecommonfa…  相似文献   

18.
Characteristicsoffraileco-environmentinHebeiplateauSunJianzhong;YangMinghua;ShengXuebin;LiuQuanyou(ResearchCenterforEco-Envir...  相似文献   

19.
IntroductionMostofnitroaromaticsareimportantenvironmentalpollutants.ThecarpisthemajoreconomicfishinChinaandisoneofthefivestan?..  相似文献   

20.
ResearchCenterforEco EnvironmentalSciences,ChineseAcademyofSciences (RCEES CAS ) ,formerlyInstituteofEnvironmentalChemistry ,ChineseAcademyofSciences ,wasfoundedin 1975 .In 1986,itwasamalgamatedwithResearchCenterofEcology ,CAS ,andwasrenamedasResearchCenterforEco E…  相似文献   

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