共查询到20条相似文献,搜索用时 62 毫秒
1.
种群灭绝与保护生物多样性PopulationExtinctionandSavingBiodiversity¥PaulR.EhrlichandGretchenC.DailyAbstract:Inthepastdecadeagreatdealofatte... 相似文献
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《中国生物多样性国情研究报告》评介Appraisalon"China'sBiodiversity:CountryStudy"张维平(中国环境科学出版社北京100036)由国家环保局牵头在国务院10多个部门组成的中国履行《生物多样性公约》工作协调组的领... 相似文献
3.
Landscape planning and ecology construction of wetland comprehensive protected area system in the Sanjiang Plain 总被引:2,自引:0,他引:2
IntroductionWetlandisoneoftherichestbiodiversityareasintheearth .Biodiversityshouldincludefourlevels:hereditydiversity ,speciesdiversity ,ecosystemdiversityandlandscapediversity .Speakingfromcertainangles,theprotectionofecosystemdiversityandlandscapediver… 相似文献
4.
Mick Dickman 《环境科学学报(英文版)》1998,10(1):13-24
DeformityfrequenciesofbenthicmarinediatomsasociatedwithcontaminatedsedimentsinHongKongMickDickmanEcologyandBiodiversityDepart... 相似文献
5.
《安全.健康和环境》2003,(2)
CSB,NTSBConcludeAgreementonAgencyCooperationFulfillingarequirementofSection112(r)oftheCleanAirActAmendments,theNationalTransportationSafetyBoard(NTSB)andtheU.S.ChemicalSafetyBoard(CSB)agreedtoestablishformalcooperativetiesbetweenthetwoagenciesatWashi… 相似文献
6.
IntroductionTheScheldeRiveroriginatesinSaint Quentin(NorthernFrance) ,passesthroughBelgiumandtheNetherlandsandthenflowsintotheNorthSeainVlissingen .ItistheonlytrueestuaryleftintheDeltaarea(Herman ,1999) .TheBelgiangovernmentapprovedtheso calledSIGMAplanfollow… 相似文献
7.
Liu Quanyou 《环境科学学报(英文版)》1995,7(3):360-367
BiogeochemicalsulphurcycleinHaiheRiverBasinLiuQuanyou(ResearchCenterforEco-EnvironmentalSciences.ChineseAcademyofSceiences,Be... 相似文献
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9.
ThreeIndustries and water consumption of Beijing 总被引:1,自引:0,他引:1
ThreindustriesandwaterconsumptionofBeijingWangHongruiInstituteofEnvironmentalSciences,BeijingNormalUniversity,Beijing100875,... 相似文献
10.
SeawaterintrusionincoastalareasofYellowSeaandBohaiSeaShengXuebin;SunJianzhong;DaiZhaohua(ResearchCenterforEco-EnvironmentalSe... 相似文献
11.
BiologicallyeffectiveradiationofsolarultravioletradiationandthedepletionofstratosphericozoneWangShaobin;SuWeihan(ResearchCent... 相似文献
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Phosphorusavailabilityintwosoilsamendedwithpoultrylitter¥HanXingguo(InstituteofBotany,ChineseAcademyofSciences,Beijing100093,... 相似文献
14.
SoilerosiontypesintheloesshillandgullyareaofChinaFuBojie(ResearchCenterforEco-EnvironmentalSceiences,ChineseAcademyofSceience... 相似文献
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BioticcommunitiesofthemarineecosysteminMeizhouBay¥RenJiuchang;CaiXiaoming(CenterofEnvironmentalSciences,PekingUniversity,Beij... 相似文献
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MajorionchemistryandcontrolofweatheringofBhimtalLake,HumaunHimalaya,India¥ManpreetSingh;B.K.Das(CentreofAdvancedStudyinGeolog... 相似文献
17.
Guan Ming Qiu Bingyuan Hu Menglin Shi Yong Shi Long Zhang Juan Wu Shian Bo Ping Li Xinji 《环境科学学报(英文版)》1994,6(3):387-388
BriefingonmercuryandmethylmercuryinhairofthefishermenlivingalongtheSonghuaRiverGuanMing;QiuBingyuan;HuMenglin;ShiYong;ShiLong... 相似文献
18.
《环境科学学报(英文版)》1997,(4)
SewagedrainingschemesofQinhuangdaoCityinBeidaiheArea,ChinaYinYi,ZhongWeini,ChangNaihuanFirstInstituteofOceanography,SOA,Qingd... 相似文献
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FieldmeasurementsofdisociationofammoniumnitrateataBeijingsiteShenJi,ZhaoQianxueResearchCenterforEcoEnvironmentalSciences,C... 相似文献
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在分析国内外环境管理决策支持系统(EDSS)开发现状的基础上,提出了采用Microsoft Visual Basic来开发水环境管理决策支持系统(WEMDSS)的方法,并利用程序语言编制了广东省潭江的WEMDSS。实例研究表明,充分利用VB编程语言的特点,可以快速方便地完成WEMDSS的结构设计和实现系统的各项功能。 相似文献