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Temporal stability of aboveground net primary production in northern Tibet alpine steppe in response to nitrogen addition
Wu Jian-bo; Wang Xiao-dan
Corresponding AuthorWang, Xiao-dan(wxd@imde.ac.cn)
2019
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume16Issue:11Pages:2679-2686
SubtypeArticle
Contribution Rank1
AbstractThe mechanism that sustains the temporal stability of aboveground net primary production (ANPP) respond to nitrogen deposition is still controversial. Consequently we investigated the mechanism of temporal stability of ANPP through the effect of N addition on diversity species asynchrony and portfolio effects in northern Tibet alpine steppe over a period of three years. Our results showed that the community temporal stability did not significantly correlate with the species richness and Shannon-Wiener diversity. Species asynchrony and stability was also not significantly affected by N addition (p > 0.05). Furthermore there was no significant relationship between species asynchrony and temporal stability. Although the value of portfolio effects (z) (z = 1.304 95% confidence intervals: 1.029-1.597) was more than 1 the portfolio effects was not a primary driver of temporal stability due to the biodiversity being unaffected. The above results suggested that the richness species asynchrony and portfolio effect could not support for mechanism of stability at the alpine steppe. From the results of path analysis species temporal stability positively supports the community temporal stability in the alpine steppe ecosystem. According to the character of environment and vegetation of alpine steppe at North Tibet we inferred that dominance species stability is more important than species richness for the community temporal stability.
KeywordCommunity temporal stability Species richness Species asynchrony Species temporal stability Portfolio effects Nitrogen deposition
DOI10.1007/s11629-018-5135-7
Indexed BySCI
WOS KeywordECOSYSTEM STABILITY ; SPECIES COMPOSITION ; BIODIVERSITY LOSS ; DIVERSITY ; VARIABILITY ; POPULATION ; ENRICHMENT ; CONSEQUENCES ; DEPOSITION ; ASYNCHRONY
Language英语
Quartile3区
Funding ProjectNational Key Research and Development Program[2016YFC0502002] ; National Natural Science Foundation of China[41401072] ; Science Foundation for Young Scientists of IMDE, CAS ; Open Fund of the Key Laboratory of Mountain Surface Processes and Ecological Regulation, CAS
TOP
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000495245200017
Funding OrganizationNational Key Research and Development Program ; National Natural Science Foundation of China ; Science Foundation for Young Scientists of IMDE, CAS ; Open Fund of the Key Laboratory of Mountain Surface Processes and Ecological Regulation, CAS
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/32296
Collection山地灾害与地表过程重点实验室
Corresponding AuthorWang Xiao-dan
AffiliationKey Laboratory of Mountain Environment Evolution and Ecological Regulation, Institute of Mountain Hazard and Environment, CAS, Chengdu 610041, China
Recommended Citation
GB/T 7714
Wu Jian-bo,Wang Xiao-dan. Temporal stability of aboveground net primary production in northern Tibet alpine steppe in response to nitrogen addition[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(11):2679-2686.
APA Wu Jian-bo,&Wang Xiao-dan.(2019).Temporal stability of aboveground net primary production in northern Tibet alpine steppe in response to nitrogen addition.JOURNAL OF MOUNTAIN SCIENCE,16(11),2679-2686.
MLA Wu Jian-bo,et al."Temporal stability of aboveground net primary production in northern Tibet alpine steppe in response to nitrogen addition".JOURNAL OF MOUNTAIN SCIENCE 16.11(2019):2679-2686.
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