首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 921 毫秒
1.
Landscape ecological analysis of urban vegetation in Guangzhou, China   总被引:2,自引:0,他引:2  
1IntroductionLandscapeecologyisaninterdisciplinarysubjectcharacterizedwithspace.Itdealswiththeinteractionbetweenspatialstruct...  相似文献   

2.
1IntroductionLandscapeconnectivity,asoneimportantparametertodescribetheecologicalprocesesandecologicalfunctionsinlandscapeeco...  相似文献   

3.
1IntroductionAccordingtothetraditionalstudiesoflandscapeecology,fragmentationiscausedbycorridorsorsomeelongatedpatchesphysica...  相似文献   

4.
Landscapeecology:thetheoreticalfoundationofsustainableagrolandscapeplanninganddesign.WangYanglin(DepartmentofGeography,Peking...  相似文献   

5.
Naturalresources(landform ,geology ,hydrology,creature ,ecologyetc .) ,humanresources (culture ,economy,locationetc .)andlandscapeecologicalspatialstructureofacertainplacecandetermineitsdevelopmentpatternsandlandscapearchitectureaswellasitslimitationofdevelopm…  相似文献   

6.
ResearchFields :AquaticEnvironmentalQualityItistodevelopadvancedsciencesofwaterqualityprocessandhightechnology ,studythemechanismsofwaterqualityprocessofnaturalwatersandwatertreatment.Aswellastodevelophightechnologyandtechniquesforwatertreatment,soastop…  相似文献   

7.
IntroductionMuchinvestigationsshowedthatphotocatalyticoxidationofTiO2 providesaneffectivetechnologicalmethodforthedegradationoftheorganiccontaminantsinwater(Andjelka ,2 0 0 0 ;Fujishima ,1972 ;Hidaka ,1992 ;Kesselman ,1997) .Inordertoovercometheshortcomingsthattherecov…  相似文献   

8.
IntroductionNon specificoxidationofpolyaromaticcompoundsbyligninolyticenzymesfromlignin degradingwhite rotfungihasincreasinglyattractedattentionsbecauseofitsabilitytometabolizeawiderangeoforganiccontaminants(Kacstner,2 0 0 0 ) .Amongthem ,laccase ,alsocalledph…  相似文献   

9.
1IntroductionLandscapeecologyfocusesonstructure,function,andchangesinlandscape(Forman,1986).Heterogeneityinlandscapesisshaped...  相似文献   

10.
Urbanization,environmentalconsequencesandmanagementinChinaLuYonglong(ResearchCenterforEco-EnvironmentalSciences),ChineseAcade...  相似文献   

11.
Mercury emission and pollution in Chongqing City, China   总被引:1,自引:0,他引:1  
1 IntroductionChongqingisabigcityinsouthwestChina,andisanimportantindustrialcitywith 2 30 0 0km2 area .About 17milliontonsofcoalareaburnhereperyear.SotheacidprecipitationandHgemissionareseriousandtheecosystemissignificantlyaffectedinChongqing(Mou ,1992 ;1995) ,moreth…  相似文献   

12.
Landscapepatternsandtheirevolutions10thesuburbanecotone──AcasestudyoftheeasternsuburbofBeijingYangJurong,ZhangHongmei,HuangYi...  相似文献   

13.
ResearchCenterforEco EnvironmentalSciences,ChineseAcademyofSciences (RCEES CAS ) ,formerlyInstituteofEnvironmentalChemistry ,ChineseAcademyofSciences ,wasfoundedin 1975 .In 1986,itwasamalgamatedwithResearchCenterofEcology ,CAS ,andwasrenamedasResearchCenterforEco E…  相似文献   

14.
IntroductionThereisagrowingawarenesstotheimportanceofairpollutioninmajorcites.Anumberofstudieshaveshownthattheconcentrationsofcertaintraceelementsintheurbanatmospherehavebeenelevatedby pollution ,andtherefore ,thehighestconcentrationsofthesechemicalcont…  相似文献   

15.
IntroductionBeforethe 1 980sconventionaltreatmentprocessesofphenolswastewateraresolventextraction ,physicaladsorption ,chemicaloxidationandaerobicbiologicalprocess.Amongthebiologicalunitprocessesactivatedsludgeprocessismainone.Afterthe 1 980sanaerobicbiologic…  相似文献   

16.
Some questions about landscape modlling   总被引:1,自引:0,他引:1  
ModellingecosystemshasbeendonebymanypeoplesincetheinitiallaunchgivenbyOdum (Odum ,1983) .Butmodellingthefunctioningoflandscapesisnotsofrequentandlandscapeecologyissoyoungthatthetypeofmodelwhichhastobechosenisnotalwaysevident.Afirstconstraintisthatthemodelm…  相似文献   

17.
IntroductionPolyaluminiumchloride(PAC) ,akindofinorganicpolymerflocculant,iswidelyusedinwaterandwastewatertreatment.InordertoincreasethecoagulationeffectofPACandimprovethequalityofPACproduct,itisnecessarytoraisethedegreeofpolymerizationofPAC .Generally ,t…  相似文献   

18.
1 Landscapestructureanalysis1.1 TheelementsstructureThestudyarea(HuizeCounty)islocatedat2 5°48′34″— 2 7°0 3′19″Nand 10 3°0 3′47″— 10 3°54′2 7″E .ItbelongstotheZhaotongandXuanweimountain plateauregionwithsemi humidevergreenbroad leavedforestandredearthofnorthernsubtropicalY…  相似文献   

19.
IntroductionWetlandisoneoftherichestbiodiversityareasintheearth .Biodiversityshouldincludefourlevels:hereditydiversity ,speciesdiversity ,ecosystemdiversityandlandscapediversity .Speakingfromcertainangles,theprotectionofecosystemdiversityandlandscapediver…  相似文献   

20.
1 Materialsandmethods1.1 ClayandchemicalsTheclayusedwasamontmorilloniteSwy2fromCrookCounty,Wyoming,andwaspurchasedfromtheSourceClayMineralsRepositoryatUniversityofMissouri,Columbia,MO.The<2μmfractionwasobtainedbysedimentation.Na+,K+,Mg2+andCa2+saturatedclayswe…  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号