[1]戴全厚,刘国彬,薛,等.侵蚀环境退耕撂荒地土壤活性有机碳与碳库管理指数演变[J].西北林学院学报,2008,23(06):24.
　DAI Quanhou,LIU Guobin,XUE Sha,et al.Active Organic Matter and Carbon Pool Management Index of Soil at t he Abandoned Cropland in Erosion Environment[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(06):24.
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侵蚀环境退耕撂荒地土壤活性有机碳与碳库管理指数演变 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年06期
页码:
24
栏目:
森林生物、生理、生态、植物、气象等
出版日期:
2008-11-30

文章信息/Info

Title:
Active Organic Matter and Carbon Pool Management Index of Soil at t he Abandoned Cropland in Erosion Environment
作者:
戴全厚 1; 2 ;  刘国彬 2 ;  薛 2; 3 ;  余 娜 1; 2 ;  张 超 2 ;  兰 雪 1
1. 贵州大学 林学院，贵州 贵阳550025; 2.中国科学院、水利部水土保持研究所，西 北农林科技大学， 陕西 杨陵 712100;3.西安理工大学，陕西 西安 710048
Author(s):
DAI Quanˉhou 1; 2 ;  LIU Guoˉbin 2 ;  XUE Sha 2; 3 ;  YU Na 1 ;  ZHANG Chao 2 ;  LAN Xue 1
1.College of Forestry， Guizhou University， Guiyang， Guizhou550025， China; 2.Institute of Soil and Water Conservation，the Chinese Academy of Sciences and Ministry of Water Resources， Yangling， Shaanxi712100，China; 3. Xi'an University of Technology， Xi'an， Shaanxi 710048，China
关键词:
黄土丘陵区; 退耕撂荒地; 土壤活性碳库; 碳库管理指数
Keywords:
hilly loess plateau;  abandon cropland;  soil active carbon;  c arbon management index
分类号:
S158.1
文献标志码:
A
摘要:
采用时空互代法，以典型侵蚀环境纸坊沟流域生态恢复过程中不同年限的撂荒地 为研究对 象，选取坡耕地和天然侧柏林为对照，分析了植被恢复过程中土壤有机碳（TOC）、活性 有机碳 （LOC）、非活性有机碳（NLOC）及碳库管理指数的演变特征。结果表明:侵蚀环境的坡 耕地土壤碳 库各组分含量较低，土壤碳库处于高速低效率运转;撂荒后可以显著增加土壤碳库各组分 含量，并 随恢复年限呈显著线性关系，50 a时，TOC、LOC和NLOC分别较坡耕地增加169%、144%和 201%，为侧柏林的35%、39%和33%;碳库指数和碳库管理指数较坡耕地明显增加，增幅分别达 到 169%和117%，仅为侧柏林的35%和42%。表明坡耕地撂荒后，土壤碳库转化效率逐步提高 ，土 壤管理经营更趋于健康科学，但相对于破坏前天然林水平还有很大的差距。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密切相关，可以作为反映 生态恢复过 程土壤质量演变的指标。
Abstract:
With Zhifanggou watershed under typical erosion environment a s study plot， the abandoned in different time as subjects， and slope cropland and natural Chines e arborvitae stand as CK， the substitution method of space for time was applied to analyze organic carbon （ OC）， active organic carbon （AOC）， non active organic carbon （NAOC） and evolvement of carbon pool manage ment index in the period of ecological restoration. The result showed that the content of soil carbon in dices on slope cropland were lower and inˉ creased dramatically in linear pattern after the cropland were aban doned for some time. 50 years after abanˉ donment， OC， AOC and NAOC would increase by 169%，144%and 210%respecti vely ，compared to the slope cropland and would be 35%，39% and 33% respectively， of the n atural Chinese arborvitae stand. The carbon pool index and carbon pool management index would shar ply increased by169% and 117%，coˉ mapared to the slope cropland would increase by 35% and 42% respectiv ely， compared to natural Chinese arborvitae stand. The result indicated that conversion rate of soi l carbon of cropland would increase after aˉ bandonment and the soil management was improved， though still far f rom the standards of natural forest before devastation. Correlation analysis showed that soil fertility w as closely related to OC， AOC， NAOC， =================================.24.================================= carbon index and carbon management index. The five indices could be re garded as the indicators reflecting the evolvement of soil quality in the period of ecology restorat ion.

参考文献/References:

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备注/Memo

备注/Memo:
⒇ 收稿日期:2008ˉ04ˉ14 修回日期:2008ˉ05ˉ15 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）;中国科学院西部行动计划（KZ CX2ˉXB2ˉ05） 作者简介:戴全厚，男，副教授（贵州大学校聘教授，吉林省水保院特邀研 究员），博士，主要从事水土保持和生态恢复重建研究。
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