气候变化领域集成服务门户(CCPortal): Controls on variation of soil organic carbon concentration in the shrublands of the north-eastern Tibetan Plateau

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DOI	10.1111/ejss.13084
	Controls on variation of soil organic carbon concentration in the shrublands of the north-eastern Tibetan Plateau
	Nie, Xiuqing; Wang, Dong; Yang, Lucun; Zhou, Guoying
通讯作者	Zhou, GY (通讯作者)，Chinese Acad Sci, Northwest Inst Plateau Biol, 23 Xinning Rd, Xining 810008, Peoples R China.
发表日期	2021
ISSN	1351-0754
EISSN	1365-2389
起始页码	1817
结束页码	1830
卷号	72 期号:4
英文摘要	Assessment of soil organic carbon (SOC) concentration in high-altitude shrublands is essential for understanding C dynamics in terrestrial ecosystems. Hence, we investigated the SOC concentration and its influencing factors using 198 soil profiles (0-100 cm) from 66 sites between 2011 and 2013 in the north-eastern Tibetan Plateau shrublands. SOC concentration was different under different shrubland types, with SOC concentration significantly greater in the alpine shrublands relative to the desert shrublands, whereas SOC concentration showed limited increases with altitude. Both mean annual temperature (MAT) and mean annual precipitation (MAP) have positive relationships with SOC concentration, and their relationships are moderate. Compared with MAT, a correlation between MAP and variation in SOC concentration was larger. Meanwhile, with increasing soil depth, a correlation between variation in SOC concentration and climatic factors was smaller. Soil pH seems to be a robust factor that not only had a significant negative correlation with SOC, but also played an important role in regulating a correlation between climatic condition and variation in SOC concentration. Controls on variation of SOC concentration on the Tibetan Plateau help to understand soil C dynamics in terrestrial ecosystems. Highlights SOC concentration was different under different shrubland types, whereas SOC concentration showed limited increases with altitude. Compared with MAT, a correlation between MAP and variation in SOC concentration was larger. Soil pH seems to be a robust factor that had a significant negative correlation with SOC concentration Soil pH was also important for regulating a correlation between climatic condition and variation in SOC concentration.
英文关键词	climate factors; shrubland ecosystem; soil organic carbon; soil pH; Tibetan Plateau
语种	英语
WOS研究方向	Agriculture
WOS类目	Soil Science
WOS记录号	WOS:000612046300001
来源期刊	EUROPEAN JOURNAL OF SOIL SCIENCE
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/253832
作者单位	[Nie, Xiuqing; Wang, Dong] Chinese Acad Forestry, Res Inst Forestry, Key Lab Tree Breeding & Cultivat State Forestry A, Beijing, Peoples R China; [Nie, Xiuqing; Yang, Lucun; Zhou, Guoying] Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Tibetan Med Res, Xining, Peoples R China; [Nie, Xiuqing; Wang, Dong] Area Chinese Acad Forestry, Res Inst Nat Protected, Beijing, Peoples R China; [Yang, Lucun; Zhou, Guoying] Qinghai Key Lab Qing Tibet Biol Resources, Xining, Peoples R China
推荐引用方式 GB/T 7714	Nie, Xiuqing,Wang, Dong,Yang, Lucun,et al. Controls on variation of soil organic carbon concentration in the shrublands of the north-eastern Tibetan Plateau[J]. 中国科学院西北生态环境资源研究院,2021,72(4).
APA	Nie, Xiuqing,Wang, Dong,Yang, Lucun,&Zhou, Guoying.(2021).Controls on variation of soil organic carbon concentration in the shrublands of the north-eastern Tibetan Plateau.EUROPEAN JOURNAL OF SOIL SCIENCE,72(4).
MLA	Nie, Xiuqing,et al."Controls on variation of soil organic carbon concentration in the shrublands of the north-eastern Tibetan Plateau".EUROPEAN JOURNAL OF SOIL SCIENCE 72.4(2021).