Soil organic carbon in deep profiles under Chinese continentalmonsoon climate and its relations with land uses
Wang,YQ(Wang,Yunqiang)[1,2]; Shao,MA(Shao,Ming'an)[2]; Zhang,CC(Zhang,Chencheng)[3]; Liu,ZP(Liu,Zhipeng)[3]; Zou,JL(Zou,Junliang)[3]; Xiao,JF(Xiao,Jingfeng)[4]
2015-09
发表期刊Ecological Engineering
卷号82期号:2015页码:361-367
文章类型期刊论文
摘要We collected soil samples from depths between 0 and 12–21 m at 33 sites across the Chinese Loess Plateau in order to determine the vertical distributions and storage of soil organic carbon (SOC), as well as to test the hypothesis that SOC in deep soils (below 5 m) is greater under forest than under permanent cropland. The overall distributions of SOC within a profile were divided into three sub-layers: 0–2, 2–14, and 14–21 m, with significantly different (P < 0.01) mean SOC values of 3.28 2.39, 2.07 0.79, and 1.56 0.57 g kg 1, respectively. In the deep soil layer (5–21 m), SOC storage was significantly higher (P < 0.01) under forest (47 0.43 kg m 2) than under cropland (38 0.44 kg m 2). Within the rooting zone, the factors affecting SOC variation were root length, pH and clay content; below the rooting zone, the factors were soil water content, pH and clay content. Land use and rooting characteristics significantly affected the magnitude and vertical distribution of SOC within both shallow and deep layers. Therefore, changes in land use can alter SOC storage in deep soils, which can have important consequences for global climate change.
关键词Forest Cropland Plant root Carbon management Loess Plateau
DOI10.1016/j.ecoleng.2015.05.004
收录类别SCI
语种英语
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9622
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, Shaanxi 710061, China;
2.Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
3.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences & Ministry of Water Resources, Yangling 712100, China;
4.Earth Systems Research Center, Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, NH 03824, USA
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GB/T 7714
Wang,YQ,Shao,MA,Zhang,CC,et al. Soil organic carbon in deep profiles under Chinese continentalmonsoon climate and its relations with land uses[J]. Ecological Engineering,2015,82(2015):361-367.
APA Wang,YQ,Shao,MA,Zhang,CC,Liu,ZP,Zou,JL,&Xiao,JF.(2015).Soil organic carbon in deep profiles under Chinese continentalmonsoon climate and its relations with land uses.Ecological Engineering,82(2015),361-367.
MLA Wang,YQ,et al."Soil organic carbon in deep profiles under Chinese continentalmonsoon climate and its relations with land uses".Ecological Engineering 82.2015(2015):361-367.
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