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Experimental warming causes large and rapid species loss, dampened by simulated grazing, on the Tibetan Plateau
Klein, JA; Harte, J; Zhao, XQ
2004-12-01
Source PublicationECOLOGY LETTERS
Volume7Issue:12Pages:1170-1179
SubtypeArticle
AbstractWe investigated the independent and combined effects of experimental warming and grazing on plant species diversity on the north-eastern Tibetan Plateau, a region highly vulnerable to ongoing climate and land use changes. Experimental warming caused a 26-36% decrease in species richness, a response that was generally dampened by experimental grazing. Higher species losses occurred at the drier sites where N was less available. Moreover, we observed an indirect effect of climate change on species richness as mediated by plant-plant interactions. Heat stress and warming-induced litter accumulation are potential explanations for the species' responses to experimental warming. This is the first reported experimental evidence that climate warming could cause dramatic declines in plant species diversity in high elevation ecosystems over short time frames and supports model predictions of species losses with anthropogenic climate change.; We investigated the independent and combined effects of experimental warming and grazing on plant species diversity on the north-eastern Tibetan Plateau, a region highly vulnerable to ongoing climate and land use changes. Experimental warming caused a 26-36% decrease in species richness, a response that was generally dampened by experimental grazing. Higher species losses occurred at the drier sites where N was less available. Moreover, we observed an indirect effect of climate change on species richness as mediated by plant-plant interactions. Heat stress and warming-induced litter accumulation are potential explanations for the species' responses to experimental warming. This is the first reported experimental evidence that climate warming could cause dramatic declines in plant species diversity in high elevation ecosystems over short time frames and supports model predictions of species losses with anthropogenic climate change.
KeywordAlpine Biodiversity Climate Warming Global Change Grazing Rangelands Species Richness Tibetan Plateau
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Subject Area生物科学
WOS KeywordCLIMATE-CHANGE ; GRASSLAND DIVERSITY ; ELEVATED CO2 ; TEMPERATURE ; RESPONSES ; RICHNESS ; TUNDRA ; PLANTS ; SOIL ; BIODIVERSITY
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEcology
WOS IDWOS:000225078000007
Citation statistics
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/1385
Collection中国科学院西北高原生物研究所
Affiliation1.Univ Calif Berkeley, Dept Environm Sci Policy & Management, Div Ecosyst Sci, Berkeley, CA 94720 USA
2.Chinese Acad Sci, NW Plateau Inst Biol, Xining, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Klein, JA,Harte, J,Zhao, XQ. Experimental warming causes large and rapid species loss, dampened by simulated grazing, on the Tibetan Plateau[J]. ECOLOGY LETTERS,2004,7(12):1170-1179.
APA Klein, JA,Harte, J,&Zhao, XQ.(2004).Experimental warming causes large and rapid species loss, dampened by simulated grazing, on the Tibetan Plateau.ECOLOGY LETTERS,7(12),1170-1179.
MLA Klein, JA,et al."Experimental warming causes large and rapid species loss, dampened by simulated grazing, on the Tibetan Plateau".ECOLOGY LETTERS 7.12(2004):1170-1179.
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