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Effect of Soil Erosion on Soil Organic Carbon Loss on the Loess Hilly Areas
Authors
贺秀斌
贾松伟
郑粉莉
陈云明
Publication date
1 January 2004
Publisher
Abstract
土壤侵蚀是造成土壤中有机碳迁移、流失的主要原因,也是陆地碳循环的重要动力过程之一。通过野外径流小区观测和室内分析的研究结果表明:土壤有机碳流失主要随着泥沙流失,最高可以达到95%以上;土壤侵蚀造成了有机碳在泥沙中的富集,且富集比大于1。植被覆盖度对小区有机碳的流失有很大的影响,随着植被覆盖度增大,土壤有机碳的流失减小。侵蚀强度与泥沙中有机碳含量呈递减的对数关系;而与土壤有机碳流失程度呈明显的线性关系
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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oai:ir.iswc.ac.cn/:361005/1845
Last time updated on 21/09/2018