Review of Soil and Water Loss and Its Impact

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Review of Soil and Water Loss and Its Impact

更新时间：2024-11-07

- Review of Soil and Water Loss and Its Impact
- Vol. 16, Issue 5, Pages: 31-34(2002)
- 作者机构：
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- DOI：
  CLC： S157.1
- Published：2002
- 稿件说明：
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Review of Soil and Water Loss and Its Impact[J]. 2002, 16(5): 31-34.
DOI：

Review of Soil and Water Loss and Its Impact[J]. 2002, 16(5): 31-34. DOI：

摘要

全球每年约有7.5×1011 t土壤从陆地生态系统中流失

由于土壤的形成过程非常缓慢

这样的水土流失率是土壤再生速度的13～40倍

多数农田的水土流失率高达13～40 t/(hm2*a).风、雨冲蚀是水土流失的主要原因

缺乏植被保护的土壤尤为严重.水土流失造成土壤水分、养分、有机质、生物多样性和土壤厚度下降

导致土地生产力下降

严重威胁人类的食物供给.

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