Relationship Between Forests and Loess Thicknessesin the Loess Plateau region

Zhang Xinbao; An Zhisheng

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Relationship Between Forests and Loess Thicknessesin the Loess Plateau region

- Relationship Between Forests and Loess Thicknessesin the Loess Plateau region
- Bulletin of Soiland Water Conservation Vol. 13, Issue 6, Pages: 1-4(1994)
- 作者机构：
  
  中国科学院西安黄土与第四纪地质国家实验室,西安市,710061
- 作者简介：
- 基金信息：
- DOI：
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- Published：1994
- 稿件说明：
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Zhang Xinbao, An Zhisheng. Relationship Between Forests and Loess Thicknessesin the Loess Plateau region[J]. Bulletin of Soiland Water Conservation, 1994, 13(6): 1-4.
DOI：

Zhang Xinbao, An Zhisheng. Relationship Between Forests and Loess Thicknessesin the Loess Plateau region[J]. Bulletin of Soiland Water Conservation, 1994, 13(6): 1-4. DOI：

摘要

气候较干旱的黄土高原地区的植被类型和黄土高原厚度关系密切。森林植被分布于基岩山地和薄层黄土区，黄土有效水孔隙度高，水分入渗浅，土壤蒸发消耗水分较多，厚层黄土区的土壤水分条件不能满足森林植被的需要，因此厚层黄土区无森林植被分布。基岩山地和薄层黄土区的植被恢复可以林木为主，厚层黄土分布区应以浅根草灌为主。

Abstract

There is a good correlation between vegetation typies and loess thicknesses in the loess Plateau with semiaridclimate. Forests are distributed in rock and thin loess regions in the Loess Plateau. Due to the higher porosity ofloess

related to effective soil moisture

precipitation is not able to penetrate into the loess deeply. Soil moisture in thesurfasce horizons losses severely under the semiarid climate conditions. Rehabilitation of vegetation may be by usingtrees or shrubs with deep roots in the rock and thin loess regiong and by using grsses or shrubs with shallow roots inthe thick loess region in the platesu.

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