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Loss of labile organic carbon from subsoil due to land-use changes in subtropical China

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成果类型:
期刊论文
作者:
Sheng, Hao*;Zhou, Ping;Zhang, Yangzhu;Kuzyakov, Yakov;Zhou, Qing;...
通讯作者:
Sheng, Hao
作者机构:
[Zhou, Qing; Wang, Cuihong; Sheng, Hao; Zhang, Yangzhu] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.
[Zhou, Ping; Ge, Tida] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China.
[Kuzyakov, Yakov] Univ Gottingen, Dept Soil Sci Temperate Ecosyst, D-37077 Gottingen, Germany.
[Kuzyakov, Yakov] Kazan Fed Univ, Inst Environm Sci, Kazan 420008, Russia.
通讯机构:
[Sheng, Hao] H
Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.
语种:
英文
关键词:
Agricultural management practices;Chloroform fumigation;Deforestation;Land degradation;Permanganate oxidation;Soil organic matter;Subsoil carbon
期刊:
Soil Biology and Biochemistry
ISSN:
0038-0717
年:
2015
卷:
88
页码:
148-157
基金类别:
Many thanks extend to the anonymous reviewers for valuable suggestions. This study was financially supported by the Natural Science Foundation of China ( 31100381 ), the Natural Science Foundation of Hunan Province ( 13JJ4066 ), and the Introduction of Talent Project of Hunan Agricultural University ( 11YJ20 ).
机构署名:
本校为第一且通讯机构
院系归属:
资源环境学院
摘要:
Topsoil carbon (C) stocks are known to decrease as a consequence of the conversion of natural ecosystems to plantations or croplands; however, the effect of land use change on subsoil C remains unknown. Here, we hypothesized that the effect of land use change on labile subsoil organic C may be even stronger than for topsoil due to upward concentration of plantations and crops root systems. We evaluated soil labile organic C fractions, including particulate organic carbon (POC) and its components [coarse POC and fine POC], light fraction organic...

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