[1]戴全厚,刘国彬,薛萐,等.不同植被恢复模式对黄土丘陵区土壤碳库及其管理指数的影响[J].水土保持研究,2008,15(03):61-64.
　DAI Quan-hou,LIU Guo-bin,XUE Sha,et al.Effect of Different Vegetation Restoration on Soil Carbon and Carbon Management Index in Eroded Hilly Loess Plateau[J].Research of Soil and Water Conservation,2008,15(03):61-64.
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不同植被恢复模式对黄土丘陵区土壤碳库及其管理指数的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年03期 页码: 61-64 栏目: 出版日期: 2008-06-20
Title:
Effect of Different Vegetation Restoration on Soil Carbon and Carbon Management Index in Eroded Hilly Loess Plateau
作者:
戴全厚1,2, 刘国彬1, 薛萐1,3, 余娜1,2, 张超1, 兰雪2
1. 中国科学院 水利部 西北农林科技大学 水土保持研究所, 陕西, 杨陵 712100;
2. 贵州大学 林学院, 贵阳 550025;
3. 西安理工大学, 西安 710048
Author(s):
DAI Quan-hou1,2, LIU Guo-bin1, XUE Sha1,3, YU Na1,2, ZHANG Chao1, LAN Xue2
1. Institute of Soil and Water Conservation, the Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
2. Forestry Academy, Guizhou University, Guiyang 550025, China;
3. Xi’an University of Technology, Xi’an 710048, China
关键词:
侵蚀环境; 植被恢复; 土壤活性碳库; 碳库管理指数
Keywords:
erosion environment; vegetation restoration; soil active carbon; carbon management index
分类号:
S153.61
摘要:
为了解侵蚀环境下植被恢复对土壤活性有机碳及碳库管理指数的影响，以典型侵蚀环境黄土丘陵区纸坊沟流域生态恢复30 a植被长期定位试验点为研究对象，选取坡耕地为参照，分析植被恢复过程中土壤碳库各组分和碳库管理指数的演变特征。结果表明，侵蚀环境下植被恢复后土壤碳库各组分含量都得到显著改善，有机碳、活性有机碳和非活性有机碳含量增幅分别为109%~238%，194%~212%和65%~149%，增加速度非活性有机碳>有机碳>活性有机碳。碳库指数和碳库管理指数较坡耕地明显增加，增幅分别为15%~659%和6.5%~414%，说明土壤经营和管理水平较坡耕地得到了显著改善，土壤系统向着良性方向转变。相关性分析表明有机碳、活性有机碳、非活性有机碳、碳库指数、碳库管理指数与土壤主要肥力因子相关性及其密切，可以作为反映生态恢复过程土壤质量演变的指标。不同植被恢复措施可以显著改善土壤碳库含量，增加土壤碳库管理水平，但改善作用不同，总体来说混交林的效果最好，其次为纯林，最后为荒草地，因此在该地区要通过人工促进生态恢复，应以营造混交林为主，纯林为辅的恢复模式。
Abstract:
Zhifanggou small watershed on typical erosion environment is regarded as study plot to realize the effect of soil labile organic matter and carbon management index under erosion environment.We select slope cropland as contrast and analyze several indexes such as,soil total organic C(TOC),labile organic C(LOC),non-labile organic C(NLOC) and evolvement characters of carbon management index.The study indicates that every group the content of soil carbon has been on the drastic increase after vegetation restoration.The increasing range of the content of TOC,LOC and NLOC is 109%~238%,194%~212% and 65%~149% respectively.The order of their increasing speed is NLOC>TOC>LOC.Moreover,the carbon index and carbon management index have been improved remarkably compared with slope cropland and the increasing range of them is 15%~659% and 6.5%~414% respectively.The soil management level and soil system have improved observably and developed towards better direction compared with the slope cropland.Moreover,correlation analysis shows that soil fertility factors has intimate relation to TOC,LOC,NLOC,carbon index and carbon management index.Five indexes are regarded as the index reflected the evolvement of soil quality in the period of ecology restoration.The measures of vegetation restoration have enhanced the content of soil carbon and the management level of soil carbon while different measures have different effect on recovering.The order of recovering effect is mixed forest>pure forest>wasteland.Therefore the model that mixed forest is crucial and the pure forest is subsidiary should be adopted to promote ecology restoration.

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备注/Memo

收稿日期:2008-3-11。
基金项目:国家自然科学基金重点项目（90502007）；国家重点基础研究发展计划（2007CB407205）；中科院科学院西部行动计划（KZCX2-XB2-05）
作者简介:戴全厚（1969- ），男，汉族，陕西长武人，副教授，博士，主要从事水土保持和生态恢复重建研究。E-mail：qhdai@foxmail.com

更新日期/Last Update: 1900-01-01