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On the study of ecosystem health:state of the art 被引量:3
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作者 XU Fu\|liu,TAO Shu (Departemnt of Urban and Environemntal Sciences,Peking University,Beijing 100871,China) 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2000年第1期35-40,共6页
Ecosystem health is a newly proposed concept that sets new goals for environmental management. Its definition, assessment indicators, and assessment methods are reviewed in this paper. Literature shows that the defini... Ecosystem health is a newly proposed concept that sets new goals for environmental management. Its definition, assessment indicators, and assessment methods are reviewed in this paper. Literature shows that the definitions and the assessment indicators cover a wide range of ecosystem health, and they differ in terms of researchers different scientific background. It is concluded that the concept of ecosystem health cannot be defined or understood simply in biological or ethical or aesthetic or historical terms and the assessment should be based on applying several indicators simultaneously to get overall picture of the health or integrity state of an ecosystem. 展开更多
关键词 ecosystem health environmental management ecological indicators CLC number: x503 Document code: A
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2002年中国国际特种专用车展览会特别报道之六 厦门金旅XML503X海狮系列特种车
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作者 陈玉蓉 《商用汽车》 2003年第1期50-50,共1页
关键词 2002年中国国际特种专用车展览会 厦门金旅XML503X海狮系列特种车 XM5031XJH监护型救护车 XML5033BXQC囚车 XML5031XYCF防弹运钞车 厦门金龙旅行车有限公司
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