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Bedrock outcrops weakly promote rather than inhibit soil carbon sequestration after vegetation restoration

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成果类型:
期刊论文
作者:
Xu, Lin;Zhang, Jiguang;Hu, Peilei;Zhang, Wei;Xiao, Lumei;...
通讯作者:
Wei Zhang
作者机构:
[Hu, Peilei; Xiao, Jun; Xiao, Lumei; Zhang, Wei; Xu, Lin; Ye, Yingying; Wang, Kelin; Xiao, Dan; Zhao, Jie] Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
[Hu, Peilei; Xiao, Jun; Xiao, Lumei; Zhang, Wei; Xu, Lin; Ye, Yingying; Wang, Kelin; Xiao, Dan; Zhao, Jie] Huanjiang Observation and Research Station for Karst Ecosystems, Huanjiang, China
[Xu, Lin] College of Resources and Environment, Qingdao Agricultural University, Qingdao, China
[Zhang, Jiguang] Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
[Hu, Peilei; Xiao, Jun; Wang, Kelin; Xiao, Dan; Zhao, Jie] Guangxi Industrial Technology Research Institute for Karst Rocky Desertification Control, Nanning, China
通讯机构:
[Wei Zhang] K
Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China<&wdkj&>Huanjiang Observation and Research Station for Karst Ecosystems, Huanjiang, China<&wdkj&>Guangxi Industrial Technology Research Institute for Karst Rocky Desertification Control, Nanning, China
语种:
英文
关键词:
Bedrock exposure;Calcium;Initial pool size;Karst ecosystem;Soil carbon sequestration
期刊:
Science of The Total Environment
ISSN:
0048-9697
年:
2023
卷:
858
期:
Pt 1
页码:
159470
机构署名:
本校为其他机构
院系归属:
资源环境学院
摘要:
Vegetation restoration can increase soil carbon (C) content in karst regions characterized by highly exposed carbonate rocks; however, it remains unclear whether and how bedrock outcrops contribute to soil C-accumulation after vegetation restoration. We aimed to investigate the magnitude and mechanisms of bedrock outcrops on soil C-accumulation after vegetation restoration. Here, we selected 362 fixed locations to investigate changes in soil organic carbon (SOC) content and density before and after cropland restoration in a karst catchment with varying bedrock exposure ratios and initial soil ...

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