China's Grain for Green Program has reduced soil erosion in the upper reaches of the Yangtze River and the middle reaches of the Yellow River

被引：66
|
作者：
Zhou, Z. C. [1 ,2 ]
Gan, Z. T. [3 ]
Shangguan, Z. P. [2 ]
Dong, Z. B. [1 ]
机构：
[1] Shaanxi Normal Univ, Dept Tourism & Environm Sci, Xian, Peoples R China
[2] Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Peoples R China
[3] Baoji Univ Arts & Sci, Key Lab Disaster Survey & Mech Simulat Shaanxi Pr, Baoji, Shaanxi, Peoples R China
来源：
INTERNATIONAL JOURNAL OF SUSTAINABLE DEVELOPMENT AND WORLD ECOLOGY | 2009年 / 16卷 / 04期
关键词：
Grain for Green Program; sediment; soil erosion; Yangtze River; Yellow River; LOESS PLATEAU; ERODIBILITY;
D O I：
10.1080/13504500903007931
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Severe soil erosion in the upper reaches of the Yangtze River and the middle reaches of the Yellow River is a serious environmental problem in western China. In order to control this soil erosion, the national government implemented the Grain for Green Program (GGP) in Sichuan Province (in the upper reaches of the Yangtze River) and Shaanxi Province (in the middle reaches of the Yellow River) in 1999. To evaluate the effects of the GGP on soil erosion, the present study investigated the relationships between annual precipitation and three parameters, annual runoff, sediment concentration, and sediment discharge, for these rivers. As the area covered by the GGP increased, sediment concentration and sediment discharge both decreased, and the correlation with the GGP area was much stronger than the correlation with annual precipitation. Therefore, China's GGP appears to be controlling soil erosion in the upper reaches of the Yangtze River and the middle reaches of the Yellow River.
引用
收藏
页码：234 / 239
页数：6
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