Stoichiometric homeostasis does not affect species dominance and stability in an alpine steppe, Tibetan Plateau

doi:10.1080/15230430.2018.1560112

CORC > 成都山地灾害与环境研究所 > 中国科学院水利部成都山地灾害与环境研究所 > 山地表生过程与生态调控重点实验室

	Stoichiometric homeostasis does not affect species dominance and stability in an alpine steppe, Tibetan Plateau
	Wu, Jianbo; Wang, Xiaodan
刊名	ARCTIC ANTARCTIC AND ALPINE RESEARCH
	2019
卷号	51 期号:1 页码:1-8
关键词	Stoichiometric homeostasis species dominance species stability different plant functions alpine steppe
ISSN号	1523-0430
DOI	10.1080/15230430.2018.1560112
通讯作者	Wang, Xiaodan(wxd@imde.ac.cn)
英文摘要	Studies of stoichiometric homeostasis in different types of plant species growing in alpine steppe environments are important in understanding the fitness and nutrient-use strategies of alpine plants in northern Tibet, which may be correlated with species dominance and stability. We used an N- and P-addition experiment to investigate the stoichiometric homeostasis N (H-N) in the foliage of different plant species in the Stipa purpurea steppe of the Tibetan Plateau from 2013 to 2016. The concentration of N in the foliage of different types of plants increased significantly with the amount of N added. We found that the H-N value of the foliage of alpine steppe plants was much lower than that of plants in temperate grasslands and grasslands with tall grass, suggesting that these alpine plants can absorb more nutrients when they are available. There was no difference in the H-N values for different alpine plant species, which is also different from previously reported results for other types of grasslands. Furthermore, the temporal stability and dominance of species was not significantly correlated with the foliage H-N value of the species. Our results suggest that the H-N value of plant foliage in an alpine steppe environment little affected the species dominance and stability seen in the control and N-addition plots at the species level, which is in conflict with the results from temperate grasslands. The different types of species in this alpine steppe environment show the same nutrient utilization strategies (low H-N value, about 2) for coping with a variable and limited supply of nutrients.
资助项目	National Key Research and Development Program[2016YFC0502002] ; National Natural Science Foundation of China[41401072] ; Open Fund of the Key Laboratory of Mountain Surface Processes and Ecological Regulation, Chinese Academy of Sciences
WOS关键词	ECOSYSTEM STABILITY ; LEAF TRAITS ; CLIMATE ; PLANT ; SOIL ; NITROGEN ; PHOSPHORUS ; RESPONSES ; ALTERS
WOS研究方向	Environmental Sciences & Ecology ; Physical Geography
语种	英语
出版者	TAYLOR & FRANCIS LTD
WOS记录号	WOS:000486105800001
资助机构	National Key Research and Development Program ; National Natural Science Foundation of China ; Open Fund of the Key Laboratory of Mountain Surface Processes and Ecological Regulation, Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.imde.ac.cn/handle/131551/27160]
专题	成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室成都山地灾害与环境研究所_山地灾害与地表过程重点实验室
通讯作者	Wang, Xiaodan
作者单位	Chinese Acad Sci, Inst Mt Hazard & Environm, Key Lab Mt Environm Evolut & Regulat, Chengdu, Sichuan, Peoples R China
推荐引用方式 GB/T 7714	Wu, Jianbo,Wang, Xiaodan. Stoichiometric homeostasis does not affect species dominance and stability in an alpine steppe, Tibetan Plateau[J]. ARCTIC ANTARCTIC AND ALPINE RESEARCH,2019,51(1):1-8.
APA	Wu, Jianbo,&Wang, Xiaodan.(2019).Stoichiometric homeostasis does not affect species dominance and stability in an alpine steppe, Tibetan Plateau.ARCTIC ANTARCTIC AND ALPINE RESEARCH,51(1),1-8.
MLA	Wu, Jianbo,et al."Stoichiometric homeostasis does not affect species dominance and stability in an alpine steppe, Tibetan Plateau".ARCTIC ANTARCTIC AND ALPINE RESEARCH 51.1(2019):1-8.