[1]裴会敏,许明祥,李强,等.侵蚀条件下土壤有机碳流失研究进展[J].水土保持研究,2012,19(06):269-274.
　PEI Hui-min,XU Ming-xiang,LI Qiang,et al.Advances in Soil Organic Carbon Losses under Erosion[J].Research of Soil and Water Conservation,2012,19(06):269-274.
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侵蚀条件下土壤有机碳流失研究进展

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 19 期数: 2012年06期 页码: 269-274 栏目: 出版日期: 2012-12-20
Title:
Advances in Soil Organic Carbon Losses under Erosion
作者:
裴会敏1, 许明祥1,2, 李强2, 脱登峰1
1. 西北农林科技大学 林学院, 陕西 杨凌 712100;
2. 中科院 水利部 水土保持研究所 土壤侵蚀与旱地农业国家重点实验室, 陕西 杨凌 712100
Author(s):
PEI Hui-min1, XU Ming-xiang1,2, LI Qiang2, TUO Deng-feng1
1. College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China;
2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China
关键词:
土壤侵蚀; 土壤有机碳; 碳流失; 碳收支
Keywords:
soil erosion; SOC; carbon loss; carbon budget
分类号:
S157
摘要:
全球土壤有机碳库储量丰富且活跃,而作为碳流失主要驱动力的土壤侵蚀对陆地碳循环影响巨大,揭示其影响将对气候变化背景下深刻理解碳收支过程和相关政策的制定具有重要意义.该文主要介绍了近年来国内外关于水蚀和风蚀影响土壤有机碳流失过程的研究进展,分析了侵蚀条件下土壤碳的源汇争议,简述了土壤有机碳流失的原位和异位环境效应,并提出了相关研究的主要现实问题和未来发展方向.在侵蚀进程中,土壤有机碳的固定与流失并存,流失部分主要包括在地表径流泥沙和土壤呼吸过程中,当前相关研究多集中于侵蚀有机碳的去向问题.在一定的景观范围内,定量刻画侵蚀过程中土壤碳输入输出关系是今后区域碳循环研究领域亟待解决的关键科学问题.
Abstract:
Soil carbon loss is a never-ending process, however, soil erosion, the most dominantly driving force, deeply influences carbon cycle in the terrestrial ecosystem, which will contribute to the understand of the carbon budget and make relative policy under global climate change. The recent advances of related researches about water erosion and wind erosion were reviewed, the mechanism of soil erosion process as well as a discussion of main problems of ’source or sink’ existing in dynamic process of erosion were made, on-site and off-site environment effects were also summarized, and meanwhile, based on above analysis, the realistic questions and main research directions were brought forth for research in this field in the future. In the erosion process, carbon sequestration and loss existed simultaneously, carbon lost in the form of sediment transfer and soil respiration. Currently relative researches focused on the fate of eroded SOC. To reveal the relation of import and export of soil carbon and evaluate the influence of erosion on carbon loss and regional carbon cycles will be the urgent scientific issues in the future.

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备注/Memo

收稿日期:2012-3-7;改回日期:2012-6-26。
基金项目:973国家重点基础研究发展计划"中国主要水蚀区土壤侵蚀过程与调控研究"(2007CB407207);中科院知识创新重要方向项目(KZCX2-YW-443);国家自然科学基金(40971174)
作者简介:裴会敏(1984- ),男,山西运城人,在读硕士,主要研究方向:土壤侵蚀的环境效应.E-mail:huiminpei@163.com
通讯作者:许明祥(1972- ),男,陕西吴旗人,副研究员,主要研究方向:侵蚀环境土壤质量演变及土壤-植被互动效应研究.E-mail:xumx@nwsuaf.edu.cn

更新日期/Last Update: 1900-01-01