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Assessment of Present State on Supergene Eco-environment in Tuwei River Watershed
Author(s): 
Pages: 87-91
Year: Issue:  3
Journal: JOURNAL OF EARTH SCIENCES AND ENVIRONMENT

Keyword:  表生生态环境地下水秃尾河流域评价陕北;
Abstract: 以地下水为主线,开展流域表生生态环境评价的方法研究尚处于发展之中.以秃尾河流域为例,紧紧围绕地下水这条主线,在建立流域表生生态环境递阶层次评价指标体系和评价标准的基础上,尝试采用模糊综合评判方法与模糊迭代自组织数据分析技术相结合,开展流域表生生态环境现状评价.评价结果表明,流域生态环境现状总体较好,其中盖沙丘陵区、河流源头和河谷阶地区及沙漠区是水资源与生态环境保护的重点,这些研究为评价生态环境脆弱区水资源开发利用对表生生态环境的影响以及保护流域水资源与生态环境提供了科学依据.评价结果与流域生态环境实际更为吻合,规律性更明显.
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