Arid
DOI10.1007/s13146-021-00711-y
Characteristics of soil organic carbon under different karst landforms
Huang, Xianfei; Zhang, Zhenming; Zhou, Yunchao; Wang, Xingfu; Zhang, Jiachun; Zhou, Xinwei
通讯作者Zhou, YC (corresponding author), Guizhou Univ, Inst Forest Resources & Environm Guizhou, Coll Forestry, Key Lab Forest Cultivat Plateau Mt Area, Guiyang 550025, Peoples R China.
来源期刊CARBONATES AND EVAPORITES
ISSN0891-2556
EISSN1878-5212
出版年2021
卷号36期号:3
英文摘要The spatial distribution patterns of soil organic carbon (SOC) and its relationship with various environmental factors in different topographic features are of great significance for evaluating SOC reserves and carbon pool management in karst areas. In this paper, SOC from the non-karst landforms and four typical karst landforms (karst canyon, karst peak cluster, karst plateau, and karst trough valley) was selected as the research object. The distribution patterns and the driving factors of SOC in the typical landforms were investigated from the topographical and environmental perspectives. The results showed that the average content of organic carbon in non-karst region was 9.39 g/kg, while that in karst areas was 16.31 g/kg. The vertical changes in SOC content showed different patterns in different topographic features, and each layer of the soil profile showed that SOC content in karst regions was greater than that in the non-karst one. The driving factors for SOC varied in different landforms. Specifically, in non-karst and karst peak cluster areas, slope gradient was the key factor influencing SOC. In karst canyon areas, soil thickness was the key factor influencing SOC. In karst plateau areas, land utilization was the key factor influencing superficial SOC. In karst trough valley areas, rock exposure was the major driving factor for karst SOC. These findings could provide an excellent explanation for the factors influencing SOC in karst and non-karst regions in Southwest China.
英文关键词Topography Soil organic carbon Influencing factor Karst Non-karst
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000662219900001
WOS关键词LAND-USE CHANGE ; ROCKY DESERTIFICATION ; SLOPE GRADIENT ; VARIABILITY ; FRACTIONS ; EROSION ; STOCKS ; STORAGE ; IMPACT
WOS类目Geology
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/349786
作者单位[Huang, Xianfei; Zhang, Zhenming; Zhou, Yunchao] Guizhou Univ, Inst Forest Resources & Environm Guizhou, Coll Forestry, Key Lab Forest Cultivat Plateau Mt Area, Guiyang 550025, Peoples R China; [Huang, Xianfei; Wang, Xingfu] Guizhou Normal Univ, Guizhou Prov Key Lab Environm, Guiyang 550001, Peoples R China; [Zhang, Zhenming] Guizhou Acad Sci, Inst Biol, Guiyang 550001, Peoples R China; [Zhang, Jiachun; Zhou, Xinwei] Guizhou Bot Garden, Guiyang 550000, Guizhou, Peoples R China
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GB/T 7714
Huang, Xianfei,Zhang, Zhenming,Zhou, Yunchao,et al. Characteristics of soil organic carbon under different karst landforms[J],2021,36(3).
APA Huang, Xianfei,Zhang, Zhenming,Zhou, Yunchao,Wang, Xingfu,Zhang, Jiachun,&Zhou, Xinwei.(2021).Characteristics of soil organic carbon under different karst landforms.CARBONATES AND EVAPORITES,36(3).
MLA Huang, Xianfei,et al."Characteristics of soil organic carbon under different karst landforms".CARBONATES AND EVAPORITES 36.3(2021).
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