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《Research of Agricultural Modernization》 2008-06
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Soil Water Research in Karst Mountain Areas of Southwest China

CHEN Hong-song1,2,WANG Ke-lin1,2 (1. Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha,Hunan 410125,China; 2. Huanjiang Observation and Research Station for Karst Eco-systems,Huanjiang,Guangxi 547100,China)  
The karst regions of southwest China are fragile geology-controlled eco-environment,and have the basic characteristics of the shortage of surface water and soil resources and low vegetation coverage. Soil water movement is very complicated due to the complexity of hydrological geological structure and the diversity of small habitats in karst mountainous regions,which has many different characteristics compared with other regions. Based on the introduction of the eco-environmental characteristics of soil water and its research status,some advances on measurement methods, availability,infiltration,and spatial variability of soil water were briefly summarized in karst regions of southwest China. In order to utilize soil and water resources harmoniously and restore vegetation successfully in this region,rock, soil,and vegetation should be considered as a united system,and the intersection of various subjects and the application of new technology and methods should be paid attention to. The further study on soil water should be focused on investigating the mutual relationships of environmental factors and their effects on ecological processes,and understanding the response of vegetation to heterogeneous environment and their adaptable control.
【Fund】: 中国科学院西部行动计划项目(KZCX2-XB2-08);; 国家自然科学基金项目(40501034);; 中国科学院“西部之光”人才培养计划项目
【CateGory Index】: S152.7
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