Local-scale spatial variability of soil organic carbon and its stock in the hilly area of the Loess Plateau, China
文献类型：期刊论文
| 作者 | Wang, Yafeng ; Fu, Bojie ; Lue, Yihe ; Song, Chengjun ; Luan, Yong |
| 刊名 | QUATERNARY RESEARCH
 |
| 出版日期 | 2010-01 |
| 卷号 | 73期号:1页码:70-76 |
| 关键词 | Soil organic carbon (SOC) Land-use change Soil quality Stratification ratio Loess Plateau |
| 中文摘要 | Soil organic carbon (SOC) is one of the key components for assessing soil quality. Meanwhile, the changes in the stocks SOC may have large potential impact on global climate. It is increasingly important to estimate the SOC stock precisely and to investigate its variability. In this study, Yangjuangou watershed was selected to investigate the SOC distribution under different land uses. We found that SOC concentration decreased with increasing soil depth under all land uses and was significantly different across the vertical soil profile (P < 0.01). However, considering effect of land use on SOC. it is only significant (P < 0.01) in the topsoil (0-5 cm) layer. This indicated that land use has a large effect on the stocks of SOC in the surface soil. The stratification ratio of SOC > 1.2 may mean that soil quality is improving. The order of the SOC density (030 cm) under different land uses is forestland > orchard land > grassland > immature forestland > terraced cropland. The SOC stock is found to be as large as 2.67 x 10(3) t (0-30 cm) in this watershed. Considering time effect of restoration, the slope cropland just abandoned is more efficient for SOC accumulation than trees planted in the semi-arid hilly loess area. (C) 2009 University of Washington. Published by Elsevier Inc. All rights reserved. |
| WOS记录号 | WOS:000273831600008 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/20993]  |
| 专题 | 生态环境研究中心_城市与区域生态国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Wang, Yafeng,Fu, Bojie,Lue, Yihe,et al. Local-scale spatial variability of soil organic carbon and its stock in the hilly area of the Loess Plateau, China[J]. QUATERNARY RESEARCH,2010,73(1):70-76. |
| APA | Wang, Yafeng,Fu, Bojie,Lue, Yihe,Song, Chengjun,&Luan, Yong.(2010).Local-scale spatial variability of soil organic carbon and its stock in the hilly area of the Loess Plateau, China.QUATERNARY RESEARCH,73(1),70-76. |
| MLA | Wang, Yafeng,et al."Local-scale spatial variability of soil organic carbon and its stock in the hilly area of the Loess Plateau, China".QUATERNARY RESEARCH 73.1(2010):70-76. |
入库方式： OAI收割
来源：生态环境研究中心
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