Environmental variables better explain changes in potential nitrification and denitrification activities than microbial properties in fertilized forest soils

doi:10.1016/j.scitotenv.2018.07.437

CORC > 地理科学与资源研究所 > 中国科学院地理科学与资源研究所 > 生态系统研究网络观测与模拟重点实验室 > CERN水分分中心

	Environmental variables better explain changes in potential nitrification and denitrification activities than microbial properties in fertilized forest soils
	Tang, Yugian 1,2,3; Yu, Guirui 1,3; Zhang, Xinyu 1,3; Wang, Qiufeng 1,3; Tian, Dashuan 1; Tian, Jing 1,3; Niu, Shuli 1,3; Ge, Jianping 1,2
刊名	SCIENCE OF THE TOTAL ENVIRONMENT
	2019-01-10
卷号	647 页码:653-662
关键词	Forest soils Nitrogen and phosphorus additions Nitrifying community Denitrifying community Potential nitrification Potential denitrification
ISSN号	0048-9697
DOI	10.1016/j.scitotenv.2018.07.437
通讯作者	Yu, Guirui(yugr@igsnrr.ac.cn) ; Zhang, Xinyu(zhangxy@igsnrr.ac.cn)
英文摘要	Because of increases in atmospheric nitrogen (N) deposition worldwide, nutrient imbalances and phosphorus (P) limitations in soil are aggravated, with the result that P fertilizer applications to terrestrial ecosystems world-wide may increase. Nitrification and denitrification in soil are major sources of nitrous oxide emissions, especially in soils treated with fertilizers. However, few researchers have studied how forest soils respond to nutrient additions, so we are not sure how the potential nitrification and denitrification activities (PNA and PDA, respectively) and microbial communities involved in these processes might respond when N and P are added to temperate and subtropical forest soils. We investigated how the PNA, PDA, the abundances and community compositions of nitrifiers and denitrifiers, and environmental properties, including soil pH, soil total and dissolved organic carbon, total and available N and phosphorus P, changed when N and/or P were added to subtropical and temperate forest soils. We quantified the abundance, and analyzed the composition, of functional marker genes of nitrifiers (ammonia-oxidizing bacteria and archaea amoA) and denitrifiers (nirK and nirS) using quantitative PCR and sequencing, respectively. We found that the PNA and PDA in the subtropical soil increased when P was added and PNA in the temperate forest soil increased when either N or P was added. The PNA and PDA were positively correlated with the abundance of ammonia-oxidizing bacteria and nirK-denitrifiers, respectively, in the subtropical forest soil but were not correlated with changes in corresponding community compositions in either of the forest soils. The soil total N to total P ratio explained most of the variabilities in the PNA and PDA in the subtropical forest soils, and the soil exchangeable ammonium concentrations and pH were the main controls on the PNA and PDA, respectively, in the temperate forest soils. Our results indicate that soil environmental conditions have more influence on variations in the PNA and PDA in forest soils fertilized with N and P than the corresponding microbial properties. (C) 2018 Elsevier B.V. All rights reserved.
资助项目	National Natural Science Foundation of China[31420103917] ; National Natural Science Foundation of China[41571251] ; National Natural Science Foundation of China[31290221]
WOS关键词	AMMONIA-OXIDIZING BACTERIA ; LONG-TERM FERTILIZATION ; CHINESE FIR PLANTATIONS ; COMMUNITY STRUCTURE ; TERRESTRIAL ECOSYSTEMS ; FUNCTIONAL GENES ; PHOSPHORUS ADDITIONS ; NITROGEN DEPOSITION ; NORTHEAST CHINA ; GLOBAL CHANGE
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000447090400066
资助机构	National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/52731]
专题	地理科学与资源研究所_生态系统研究网络观测与模拟重点实验室_CERN水分分中心
通讯作者	Yu, Guirui; Zhang, Xinyu
作者单位	1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China 2.Beijing Normal Univ, Coll Life Sci, Beijing 100875, Peoples R China 3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Tang, Yugian,Yu, Guirui,Zhang, Xinyu,et al. Environmental variables better explain changes in potential nitrification and denitrification activities than microbial properties in fertilized forest soils[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,647:653-662.
APA	Tang, Yugian.,Yu, Guirui.,Zhang, Xinyu.,Wang, Qiufeng.,Tian, Dashuan.,...&Ge, Jianping.(2019).Environmental variables better explain changes in potential nitrification and denitrification activities than microbial properties in fertilized forest soils.SCIENCE OF THE TOTAL ENVIRONMENT,647,653-662.
MLA	Tang, Yugian,et al."Environmental variables better explain changes in potential nitrification and denitrification activities than microbial properties in fertilized forest soils".SCIENCE OF THE TOTAL ENVIRONMENT 647(2019):653-662.