Effective, Critical and Potential Coverage of Vegetation Community for Soil and Water Conservation

GUO Zhong sheng

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Effective, Critical and Potential Coverage of Vegetation Community for Soil and Water Conservation

- Effective, Critical and Potential Coverage of Vegetation Community for Soil and Water Conservation
- Bulletin of Soiland Water Conservation Vol. 19, Issue 2, Pages: 60-62(2000)
- 作者机构：
  
  中国科学院水利部水土保持研究所, 陕西杨陵,712100
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- Published：2000
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GUO Zhong sheng. Effective, Critical and Potential Coverage of Vegetation Community for Soil and Water Conservation[J]. Bulletin of Soiland Water Conservation, 2000, 19(2): 60-62.
DOI：

GUO Zhong sheng. Effective, Critical and Potential Coverage of Vegetation Community for Soil and Water Conservation[J]. Bulletin of Soiland Water Conservation, 2000, 19(2): 60-62. DOI：

摘要

植被能有效地控制水土流失

被公认为水土保持最有效最根本的方法

因此水土流失区植被的恢复和建造成为水土保持工作的重心之一。植被盖度是衡量植被群落保持水土功能大小的一个重要质量指标

潜势盖度、有效盖度和临界盖度是植物群落发育过程中的3个重要阶段。该文比较详细地论述了这3个盖度的含义和确定方法

并指出微观上的植被建设应设法使的建植被群落达到有效盖度(下限)和临界盖度(上限)。

Abstract

Because of controlling soil and water loss effectively

vegetation construction is regarded as one of the most effective and fundamental methods. The coverage of community is anindicator of measuring the quality of vegetation community for controlling soil and water loss. Effective coverage

critical coverage and potential coverage are three stages in the course of development of vegetation community. The concept and determining methods of “ three coverage” are expounded in detail. It is thought that the coverage of a vegetation community should reach the effective coverage(lower limit) or critical coverage(upper limit) in the construction of vegetation in the soil and water loss region.

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