SLOPE LITHOLOGIC PROPERTY, SOIL MOISTURE CONDITION AND REVEGETATION IN DRY-HOT VALLEY OF JINSHA RIVER

被引：0
|
作者：
XIONG Dong-hong1
2. Graduate School of Chinese Academy of Sciences
机构：
来源：
Chinese Geographical Science | 2005年 / 02期
基金：
中国国家自然科学基金;
关键词：
revegetation; lithologic property; soil moisture; plant growth; dry-hot valley; Jinsha River;
D O I：
暂无
中图分类号：
S154 [土壤生物学];
学科分类号：
071012 ; 0713 ;
摘要：
The dry-hot valley of the Jinsha River is one of the typical eco-fragile areas in Southwest China, as well as a focus of revegetation study in the upper and middle reaches of the Changjiang River. Due to its extremely dry and hot climate, severely degraded vegetation and the intense soil and water loss, there are extreme difficulties in vegetation restoration in this area and no great breakthrough has ever been achieved on studies of revegetation over the last several decades. Through over ten years’ research conducted in the typical areas-the Yuanmou dry-hot valley, the authors found that the lithologic property is one of the crucial factors determining soil moisture conditions and vegetation types in the dry-hot valley, and the rainfall infiltration capability is also one of the key factors affecting the tree growth. Then the revegetation zoning based on different slopes was conducted and revegetation patterns for different zones were proposed.
引用
收藏
页码：186 / 192
页数：7
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