FENTATIVE DISCUSSION ON OFF-FARM ECONOMIC LOSSES CAUSED BY SOIL EROSION

Fang Zheng-san

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FENTATIVE DISCUSSION ON OFF-FARM ECONOMIC LOSSES CAUSED BY SOIL EROSION

- FENTATIVE DISCUSSION ON OFF-FARM ECONOMIC LOSSES CAUSED BY SOIL EROSION
- Bulletin of Soiland Water Conservation Vol. 6, Issue 1, Pages: 66-70(1987)
- 作者机构：
  
  中国农业工程研究设计院
- 作者简介：
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- Published：1987
- 稿件说明：
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Fang Zheng-san. FENTATIVE DISCUSSION ON OFF-FARM ECONOMIC LOSSES CAUSED BY SOIL EROSION[J]. Bulletin of Soiland Water Conservation, 1987, 6(1): 66-70.
DOI：

Fang Zheng-san. FENTATIVE DISCUSSION ON OFF-FARM ECONOMIC LOSSES CAUSED BY SOIL EROSION[J]. Bulletin of Soiland Water Conservation, 1987, 6(1): 66-70. DOI：

摘要

土壤侵蚀的危害不仅限于受侵蚀土地本身

同时涉及社会的各个方面

给国家经济建设带来很大的损失。这就称作土壤侵蚀的宏观经济损失。它主要表现在:土壤侵蚀降低河川径流的有效利用率

加剧洪水灾害

对河道航运的危害

引起水库淤积的危害和缩小湖泊容积的危害。

Abstract

Soil erosion makes for damages on the farm where it occurs as well as off the farm. The off-farm economic losses caused by soil erosion are considered as macroscopic in nature and very harmful to national economic construction

and those occuring in China are discussed tentatively in the folowing five aspects; 1，Reduction of the use efficiency of stream flow;2，Aggravation of flood damage; 3

Damage to river navigation; 4，Sedimentation_ of reserviors; 5，Shrinkage in lakes' areas.

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