Eco-economic Benefit Evaluation of Soil Conservation Service of Cropland Conversion Program:a Case Study of Yuanzhou District in Guyuan City

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Eco-economic Benefit Evaluation of Soil Conservation Service of Cropland Conversion Program:a Case Study of Yuanzhou District in Guyuan City

更新时间：2024-11-07

- Eco-economic Benefit Evaluation of Soil Conservation Service of Cropland Conversion Program:a Case Study of Yuanzhou District in Guyuan City
- Vol. 18, Issue 1, Pages: 161-163(2004)
- 作者机构：
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  CLC： S157.2S718.56
- Published：2004
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Eco-economic Benefit Evaluation of Soil Conservation Service of Cropland Conversion Program:a Case Study of Yuanzhou District in Guyuan City[J]. 2004, 18(1): 161-163.
DOI：

Eco-economic Benefit Evaluation of Soil Conservation Service of Cropland Conversion Program:a Case Study of Yuanzhou District in Guyuan City[J]. 2004, 18(1): 161-163. DOI：

摘要

退耕还林还草工程的土壤保持效益可以看作是由农田生态系统转变为林草生态系统土壤保持服务功能的增加量。参考国内外关于生态系统服务功能中土壤保持功能的评价方法，采用市场价值法、机会成本法、影子工程法、恢复费用法对固原市原州区退耕还林还草工程土壤保持经济价值进行了估算。退耕还林还草工程的年土壤保持总价值为8634．39万元，其中减少养分损失价值为8148．62万元，减少土地废弃价值为19．43万元，减轻泥沙淤积灾害价值为466．35万元。

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