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[Ecological sensitivity of jingnanxia-heishanxia reach of Yellow River].

Authors
Type
Published Article
Journal
Ying yong sheng tai xue bao = The journal of applied ecology / Zhongguo sheng tai xue xue hui, Zhongguo ke xue yuan Shenyang ying yong sheng tai yan jiu suo zhu ban
Publication Date
Volume
20
Issue
1
Pages
113–120
Identifiers
PMID: 19449574
Source
Medline

Abstract

Aiming at the ecological problems such as soil erosion, desertification, and salinization in the Jingnanxia-Heishanxia reach of Yellow River, the single-factorial ecological problem's sensitivity and the comprehensive ecological sensitivity of the reach were analyzed by GIS spatial analysis, grid computing and superposition, and RS image feature extraction. The results showed that the regions with medium- and high ecological sensitivities almost covered the whole study area, including the Wufo Town of Jingtai County, the Beiwan Town, Wulan Town, Mitan Town, Dongwan Town, and Santan Town of Jingyuan County, and the area between Doucheng and Hongliutan of Pingchuan District. The high, medium, and low sensitive areas should be accordingly programmed as forbidden, medium, and deep constructing areas. During the development process of regional hydropower, effective measures should be adopted to protect the ecological environment to achieve the sustainable development of the drainage area.

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