A Preliminary Research on ECR of Soil and Water Conservation Forest

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Publication date
1 January 1997
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Abstract

本文在前人研究的基础上，通过对水土流失现象，水土保持林以及森林覆盖率与土壤流失量（或侵蚀模数）的综合分析，首次定义水土保持林有效覆盖率（ＥＣＲ）为在水土保持林防护范围内土壤流失量等于或小于允许流失量时的森林覆盖率。并提出了确定方法，还以黄土高原水土流失区为例，初步确定了该区的水土保持林的ＥＣＲ约为４３％，并以黄土高原１１个试区（１９８６～１９９０年）定位研究结果进行了初步验

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    Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources

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