中国草原生态功能评价指标体系3.pdf

第 29卷第 5 期生态学报 V 29, N o. 5
2009年 5月 ACTA ECOLOG ICA SIN ICA M ay, 2009
中国草原生态功能评价指标体系
尹剑慧, 卢欣石
(北京林业大学草地资源与生态实验室, 北京 100083)
摘要: 草原生态系统是我国陆地上最重要的生态系统类型之一, 其生态功能价值是巨大的。对草原生态功能指标体系评价的意
义、指标筛选原则和方法等进行了总结, 并在现行草原生态功能评估方法研究的基础上, 进行了方法研究的新探索) 将频度分
析法、专家咨询法、层次分析法( AH P) 3种方法有机结合共同运用到评估工作中去, 从而提出了一套较为科学的、公平的和可
操作的评价指标体系。这一体系由 8项元素组成, 按权重由大到小依次为水土保持、涵养水源、固碳吐氧、维持生物多样性、净
化空气、生态旅游、废弃物处理、营养物质循环。
关键词: 生态功能; 指标体系; 层次分析法
文章编号: 1000-0933 ( 2009) 05-2622-09 中图分类号: Q146 文献标识码: A
Construction of evaluation indicator system of China grassland ecological function
Y IN Jian-H u,i LU X in-Sh i
Grassland R esource and Ecology L abora tory, B eijing F orestry University, B eijing 100083, C hina
Acta Eco log ica Sinica, 2009, 29 ( 5): 2622 ~ 2630.
Abstract: T he grassland ecosystem, one of the m ost mi portant terrestrial ecosystems in China, has enorm ous eco logical
values. Th is article reviewed the sign ificance and selection principles and m ethods of the current grassland eco logical
function evaluation indicator system. Based on the ex isting research results, new evaluation m ethodswere explored. A more
scientific, fa ir and operational evaluation indicator system is proposed by incorporation of F requency A anlysis, Expert
A dvice M ethod and Analytical H ierarchy Process into the evaluation process. T his system consists of eight eva luation
factors, incl