Sensitivity of soil nitrifying and denitrifying microorganisms to nitrogen deposition on the Qinghai-Tibetan plateau

doi:10.1186/s13213-020-01619-z

	Sensitivity of soil nitrifying and denitrifying microorganisms to nitrogen deposition on the Qinghai-Tibetan plateau
	Xu, Minjie 1; Li, Tingting 1; Liu, Wei 1; Ding, Junjun 1; Gao, Lili 1; Han, Xingguo; Zhang, Ximei 1
	2021
发表期刊	ANNALS OF MICROBIOLOGY
ISSN	1590-4261
卷号	71 期号:1
摘要	Purpose: Nitrogen deposition at rate not more than 50 kg ha(-1) year(-1) is generally considered to stimulate soil nitrifying and denitrifying microorganisms via increases in soil nitrogen content. However, this phenomenon in alpine ecosystems remains largely untested. Methods: We conducted an 8-year nitrogen deposition experiment on the Qinghai-Tibetan Plateau, with four nitrogen deposition rates of 10 (atmospheric deposition), 20, 30, and 50 kg ha(-1) year(-1). Results: The abundances of two nitrifying genes and four denitrifying genes and the N2O emission rate initially increased and subsequently decreased as the nitrogen deposition rate increased. The observed decrease in these indices at the rate of 50 kg ha(-1) year(-1) was caused by the toxicity of excessive NH4+. Conclusions: Our study demonstrates the vulnerability of alpine microorganisms under global changes.
关键词	Ammonium toxicity Denitrification N2O Nitrification Nitrogen deposition Qinghai-Tibetan plateau
学科领域	Biotechnology & Applied Microbiology ; Microbiology
DOI	10.1186/s13213-020-01619-z
收录类别	SCI
语种	英语
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000610065900001
出版者	BMC
文献子类	Article
出版地	LONDON
EISSN	1869-2044
资助机构	National Key Research and Development Program [2016YFC0500702] ; China Major Science and Technology Program for Water Pollution Control and Treatment [2017ZX07101003]
作者邮箱	xghan@ibcas.ac.cn ; zhangximei@caas.cn
作品OA属性	gold
引用统计	被引频次：7[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/2S10CLM1/26551
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Minist Agr, Key Lab Dryland Agr, Beijing 100081, Peoples R China
推荐引用方式 GB/T 7714	Xu, Minjie,Li, Tingting,Liu, Wei,et al. Sensitivity of soil nitrifying and denitrifying microorganisms to nitrogen deposition on the Qinghai-Tibetan plateau[J]. ANNALS OF MICROBIOLOGY,2021,71(1).
APA	Xu, Minjie.,Li, Tingting.,Liu, Wei.,Ding, Junjun.,Gao, Lili.,...&Zhang, Ximei.(2021).Sensitivity of soil nitrifying and denitrifying microorganisms to nitrogen deposition on the Qinghai-Tibetan plateau.ANNALS OF MICROBIOLOGY,71(1).
MLA	Xu, Minjie,et al."Sensitivity of soil nitrifying and denitrifying microorganisms to nitrogen deposition on the Qinghai-Tibetan plateau".ANNALS OF MICROBIOLOGY 71.1(2021).

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