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Nitrogen addition decreased soil respiration and its components in a long-term fenced grassland on the Loess Plateau
Lin Wei1,4; Jishuai Su2; Guanghua Jing1,4; Jie Zhao2; Jian Liu2; Jimin Cheng1,2; Jingwei Jin3; Cheng, JM (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.; Jin, JW (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
SubtypeArticle
2018
Source PublicationJOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
description.correspondentemailgyzcjm@ms.iswc.ac.cn ; jinjingweisoil2008@163.com
Volume152Pages:37-44
AbstractKnowledge of the impact of N enrichment on soil respiration components is critical for understanding carbon (C) cycling and its feedback processes with climate change. We conducted three N level addition experiments, control (CK, 0 g N m(-2)yr(-1)), low nitrogen addition (LN, 10 g N m(-2)yr(-1)), and high nitrogen addition (HN, 20 g N m(-2)yr(-1))) to investigate the response of microbial and root respiration to N enrichment in a long-term fenced grassland on the Loess Plateau of China. Compared to the control, both the LN and HN treatments generally decreased soil respiration and its two components for both years. Under N addition, the decreased rates of root respiration and microbial respiration were significantly and positively correlated with the monthly root production and soil microbial biomass C, respectively. Nitrogen addition decreased the Q(10) values of root and microbial respiration, with the reduction more pronounced in root respiration. Overall, our results suggest that N enrichment may reduce the soil C loss through CO2 emissions. With global warming, soil C loss will be less due to the lower Q(10) values of root and microbial respiration on the Loess Plateau of China under future scenarios of N deposition.
KeywordSoil Respiration Microbial Respiration Root Respiration n Addition q(10) Value
Subject AreaEnvironmental Sciences & Ecology
DOI10.1016/j.jaridenv.2018.01.017
Indexed BySCI
Publication Place24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
Language英语
WOS IDWOS:000429755800006
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Funding OrganizationSpatial scale effect of land use impact on runoff in the Loess Plateau under climate change of the National Natural Science Foundation of China [41230852] ; Spatial scale effect of land use impact on runoff in the Loess Plateau under climate change of the National Natural Science Foundation of China [41230852] ; Natural Science Foundation of China [31601987] ; Natural Science Foundation of China [31601987] ; "Strategic Priority Research Program-Climate Change: Carbon Budget and Related Issues" of the Chinese Academy of Sciences [XDA05050202] ; "Strategic Priority Research Program-Climate Change: Carbon Budget and Related Issues" of the Chinese Academy of Sciences [XDA05050202]
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8261
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorCheng, JM (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.; Jin, JW (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
2.Northwest A&F Univ, Coll Anim Sci & Technol, Yangling 712100, Peoples R China
3.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Lin Wei,Jishuai Su,Guanghua Jing,et al. Nitrogen addition decreased soil respiration and its components in a long-term fenced grassland on the Loess Plateau[J]. JOURNAL OF ARID ENVIRONMENTS,2018,152:37-44.
APA Lin Wei.,Jishuai Su.,Guanghua Jing.,Jie Zhao.,Jian Liu.,...&Jin, JW .(2018).Nitrogen addition decreased soil respiration and its components in a long-term fenced grassland on the Loess Plateau.JOURNAL OF ARID ENVIRONMENTS,152,37-44.
MLA Lin Wei,et al."Nitrogen addition decreased soil respiration and its components in a long-term fenced grassland on the Loess Plateau".JOURNAL OF ARID ENVIRONMENTS 152(2018):37-44.
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