DOI: 10.1002/2016GB005423
Scopus记录号: 2-s2.0-84996479933
论文题名: Effects of nitrogen deposition on soil sulfur cycling
作者: Chen H ; , Yang L ; , Wen L ; , Luo P ; , Liu L ; , Yang Y ; , Wang K ; , Li D
刊名: Global Biogeochemical Cycles
ISSN: 8866236
出版年: 2016
卷: 30, 期: 11 起始页码: 1568
结束页码: 1577
语种: 英语
英文关键词: incubation
; meta-analysis
; nitrogen deposition
; soil arylsulfatase activity
; sulfur cycling
Scopus关键词: biogeochemical cycle
; buffering
; calcium
; enzyme activity
; meta-analysis
; nitrogen
; nitrogen cycle
; phosphorus
; potassium
; sulfur cycle
; terrestrial ecosystem
英文摘要: Increased atmospheric nitrogen (N) deposition has been found to alter processes and functions of terrestrial ecosystems including the biogeochemical cycling of N and other elements, e.g., phosphorus (P), calcium (Ca), and potassium (K). Nevertheless, how N deposition changes sulfur (S) cycling is largely unknown. Based on a meta-analysis and a lab N addition experiment, here we show that N addition significantly suppresses the activity of soil arylsulfatase, which is a major enzyme involved in the mineralization of organic S. The evidence suggests that N-induced decrease in soil pH is responsible for the decrease of arylsulfatase activity. Soil buffering capacity plays a critical role in mediating the extent of arylsulfatase activity response to N inputs via its regulation on soil pH. Our results suggest that N deposition may slow down S cycling by suppressing soil organic S mineralization. ©2016. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/77794
Appears in Collections: 气候变化事实与影响
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作者单位: Huangjiang Observation and Research Station for Karst Ecosystem, Chinese Academy of Sciences, Huangjiang, China; Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China; University of Chinese Academy of Sciences, Beijing, China; Department of Biological Sciences, Guangxi Normal University, Guilin, China
Recommended Citation:
Chen H,, Yang L,, Wen L,et al. Effects of nitrogen deposition on soil sulfur cycling[J]. Global Biogeochemical Cycles,2016-01-01,30(11)