Climatic and Edaphic Controls on Soil pH in Alpine Grasslands on the Tibetan Plateau, China: A Quantitative Analysis

doi:10.1016/S1002-0160(13)60078-8

	Climatic and Edaphic Controls on Soil pH in Alpine Grasslands on the Tibetan Plateau, China: A Quantitative Analysis
	Ji Cheng-Jun ; Yang Yuan-He; Han Wen-Xuan ; He Yan-Fang ; Smith, J.; Smith, P.
	2014
发表期刊	PEDOSPHERE
ISSN	1002-0160
卷号	24 期号:1 页码:39-44
摘要	Soil acidity is an important parameter that can regulate ecosystem structure and function. However, a quantitative understanding of the relationships between soil pH and environmental factors remains unavailable. In this study, relationships of soil pH with both climatic and edaphic factors in alpine grasslands on the Tibetan Plateau, China were quantified using data obtained from a regional soil survey during 2001-2004. Our results showed that soil pH decreased along the gradient of both mean annual temperature and precipitation. Likewise, soil pH exhibited consistent negative correlations with soil moisture and silt content. However, soil organic and inorganic carbon contents played opposite roles in shaping patterns of soil pH: the accumulation of soil organic matter led to higher soil acidity, while the existence of soil inorganic matter was favorable for maintaining higher soil alkalinity. The variation partitioning analysis indicated that the combination of climatic and edaphic variables explained 74.3% of the variation in soil acidity. These results suggest that soil pH could be predicted from routinely-measured variables, allowing a robust pedotransfer function to be developed. The pedotransfer function may facilitate land surface models to generate more reliable predictions on ecosystem structure and function around the world.
关键词	climate soil acidity soil inorganic carbon soil organic carbon soil texture
学科领域	Soil Science
DOI	10.1016/S1002-0160(13)60078-8
收录类别	SCI
语种	英语
WOS关键词	ORGANIC-CARBON ; ACIDIFICATION ; SENSITIVITY ; PATTERNS ; STORAGE
WOS研究方向	Agriculture
WOS记录号	WOS:000332437400003
出版者	SCIENCE PRESS
文献子类	Article
出版地	BEIJING
EISSN	2210-5107
资助机构	National Natural Science Foundation of China [31170410, 31322011]
作者邮箱	jicj@pku.edu.cn
引用统计	被引频次：63[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/27195
专题	植被与环境变化国家重点实验室
作者单位	1.[Ji Cheng-Jun 2.Peking Univ, Dept Ecol, Beijing 100871, Peoples R China 3.Peking Univ, Minist Educ, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China 4.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 5.[Han Wen-Xuan 6.China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China 7.[Smith, J. 8.Smith, P.] Univ Aberdeen, Sch Biol Sci, Inst Biol & Environm Sci, Aberdeen AB24 3UU, Scotland
推荐引用方式 GB/T 7714	Ji Cheng-Jun,Yang Yuan-He,Han Wen-Xuan,et al. Climatic and Edaphic Controls on Soil pH in Alpine Grasslands on the Tibetan Plateau, China: A Quantitative Analysis[J]. PEDOSPHERE,2014,24(1):39-44.
APA	Ji Cheng-Jun,Yang Yuan-He,Han Wen-Xuan,He Yan-Fang,Smith, J.,&Smith, P..(2014).Climatic and Edaphic Controls on Soil pH in Alpine Grasslands on the Tibetan Plateau, China: A Quantitative Analysis.PEDOSPHERE,24(1),39-44.
MLA	Ji Cheng-Jun,et al."Climatic and Edaphic Controls on Soil pH in Alpine Grasslands on the Tibetan Plateau, China: A Quantitative Analysis".PEDOSPHERE 24.1(2014):39-44.

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