黄土丘陵小流域生态系统健康评价指标体系研究——以安家沟小流域为例  

Indicator system of ecosystem health evaluation for the hilly-gully region of Loess Plateau-A case of Anjiagou small watershed

作　　者：林斌[1] 邸利[1] 张富[2] 黄海霞[2] 彭静波[2] 

机构地区：[1]甘肃农业大学资源与环境学院,730070 [2]甘肃农业大学林学院,兰州730070

出　　处：《干旱区资源与环境》2010年第5期31-36,共6页Journal of Arid Land Resources and Environment

基　　金：甘肃省自然科学基金暨中青年科技基金项目"甘肃省黄土丘陵区水土保持措施优化配置与流域健康诊断"(3ZS061-A25-011);中国-全球环境基金项目"陇中黄土高原生态安全格局分析与评价"(GEF/OP12)资助

摘　　要：以定西市安家沟小流域为例,参考压力-状态-响应(PSR)模型和相关领域的多位专家的建议,结合区域生态特征和所收集的数据特点及其可获取性等情况,从资源环境支持、社会经济响应和生态综合功能三个方面,初步选择了17项指标,分四个层次构建了表征黄土丘陵区生态系统健康的评价指标体系,并对所选指标的基本含义做了简单叙述。Taking Anjiagou watershed in Dingxi of Gansu for example,based on the PSR（Pressure-State-Response）model and suggestions of experts in related research field,combining the ecological characteristics of the region and the character of data collected and data availability,the indicator system of ecological security of the loess hilly areas was established from the condition of resource and environment,social and economic development level and the degree of the ecological balance,which included 4 levels and 23 indicators.Meantime,the basic connotation of indicators were described briefly.

关 键 词：小流域 生态系统健康 诊断指标 

分 类 号：S181[农业科学—农业基础科学]