Interactive impacts of nitrogen input and water amendment on growing season fluxes of CO2, CH4, and N2O in a semiarid grassland, Northern China

doi:10.3389/fpls.2017.00809

CORC > 植物研究所 > 中国科学院植物研究所 > 植被与环境变化国家重点实验室

	Interactive impacts of nitrogen input and water amendment on growing season fluxes of CO2, CH4, and N2O in a semiarid grassland, Northern China
	Zhang, Lihua ; Hou, Longyu 4; Guo, Dufa 3; Li, Linghao ; Xu, Xiaofeng 1,2
刊名	SCIENCE OF THE TOTAL ENVIRONMENT
	2017
卷号	578 页码:523-534
关键词	Greenhouse gas Interactive impacts Nitrogen input Water amendment
ISSN号	0048-9697
DOI	10.3389/fpls.2017.00809
文献子类	Article
英文摘要	Nitrogen and water are two important factors influencing GHG (primarily CO2 - carbon dioxide; CH4 - methane, and N2O - nitrous oxide) fluxes in semiarid grasslands. However, the interactive effects of nitrogen and water on GHG fluxes remain elusive. A 3-year (2010-2012) manipulative experiment was conducted to investigate the individual and interactive effects of nitrogen and water additions on GHG fluxes during growing seasons (May to September) in a semiarid grassland in Northern China. Accumulated throughout growing seasons, nitrogen input stimulated CO2 uptake by 33 +/- 1.0 g C m(-2) (g N)(-1), enhanced N2O emission by 1.2 +/- 0.3 mg N m(-2) (g N)(-1), and decreased CH4 uptake by 5.2 +/- 0.9 mg N m(-2) (g N)(-1); water amendment stimulated CO2 uptake by 0.2 +/- 0.1 g Cm-2 (mm H2O)(-1) and N2O emission by 0.2 +/- 0.02 mg N m(-2) (mm H2O)(-1) , decreased CH4 uptake by 0.3 +/- 0.1 mg C m(-2) (mm H2O)(-1). A synergistic effect between nitrogen and water was found on N2O flux in normal year while the additive effects of nitrogen and water additions were found on CH4 and CO2 uptakes during all experiment years, and on N2O-emission in dry years. The nitrogen addition had stronger impacts than water amendment on stimulating CH4 uptake in the normal year, while water was the dominant factor affecting CH4 uptake in dry years. For N2O emission, the N-stimulating impact was stronger in un-watered than in watered plots, and the water-stimulating impact was stronger in non-fertilized than in fertilized treatments in dry years. The interactive impacts of nitrogen and water additions on GHG fluxes advance our understanding of GHG fluxes in responses to multiple environmental factors. This data source could be valuable for validating ecosystem models in simulating GHG fluxes in a multiple factors environment. (C) 2016 Elsevier B.V. All rights reserved.
学科主题	Plant Sciences
电子版国际标准刊号	1879-1026
出版地	AMSTERDAM
WOS关键词	CARBON-DIOXIDE FLUXES ; INNER-MONGOLIA ; OXIDE EMISSIONS ; ECOSYSTEM RESPIRATION ; MICROBIAL BIOMASS ; SOIL RESPIRATION ; TEMPERATE STEPPE ; ALPINE GRASSLAND ; METHANE FLUXES ; CLIMATE-CHANGE
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000401318900001
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41371111] ; Strategic Priority Research Program of China [2016YFC0500501] ; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA05050406-06] ; Oak Ridge National Laboratory's Terrestrial Ecosystem Science - Scientific Focus Area project - U.S. Department of EnergyUnited States Department of Energy (DOE) [4000145166] ; San Diego State University
内容类型	期刊论文
源URL	[http://ir.ibcas.ac.cn/handle/2S10CLM1/22183]
专题	植被与环境变化国家重点实验室
作者单位	1.San Diego State Univ, Dept Biol, San Diego, CA 92182 USA 2.Shandong Normal Univ, Jinan 250014, Peoples R China 3.China Agr Univ, Dept Grassland Sci, Beijing 100193, Peoples R China 4.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 5.Chinese Acad Sci, NorthEast Inst Geol & Agroecol, Changchun, Jilin, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Lihua,Hou, Longyu,Guo, Dufa,et al. Interactive impacts of nitrogen input and water amendment on growing season fluxes of CO2, CH4, and N2O in a semiarid grassland, Northern China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,578:523-534.
APA	Zhang, Lihua,Hou, Longyu,Guo, Dufa,Li, Linghao,&Xu, Xiaofeng.(2017).Interactive impacts of nitrogen input and water amendment on growing season fluxes of CO2, CH4, and N2O in a semiarid grassland, Northern China.SCIENCE OF THE TOTAL ENVIRONMENT,578,523-534.
MLA	Zhang, Lihua,et al."Interactive impacts of nitrogen input and water amendment on growing season fluxes of CO2, CH4, and N2O in a semiarid grassland, Northern China".SCIENCE OF THE TOTAL ENVIRONMENT 578(2017):523-534.