IMHE OpenIR  > 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
Corresponding AuthorWang, Xiaodan(wxd@imde.ac.cn)
2019
Source PublicationARCTIC ANTARCTIC AND ALPINE RESEARCH
ISSN1523-0430
Volume51Issue:1Pages:1-8
AbstractStudies 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.
KeywordStoichiometric homeostasis species dominance species stability different plant functions alpine steppe
DOI10.1080/15230430.2018.1560112
Indexed BySCI
WOS KeywordECOSYSTEM STABILITY ; LEAF TRAITS ; CLIMATE ; PLANT ; SOIL ; NITROGEN ; PHOSPHORUS ; RESPONSES ; ALTERS
Language英语
Funding ProjectNational 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 Research AreaEnvironmental Sciences & Ecology ; Physical Geography
WOS SubjectEnvironmental Sciences ; Geography, Physical
WOS IDWOS:000486105800001
Funding OrganizationNational 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
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/27160
Collection山地表生过程与生态调控重点实验室
山地灾害与地表过程重点实验室
Corresponding AuthorWang, Xiaodan
AffiliationChinese Acad Sci, Inst Mt Hazard & Environm, Key Lab Mt Environm Evolut & Regulat, Chengdu, Sichuan, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
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.
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