Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan Mountains

Global warming increases the vulnerability of plants, especially alpine herbaceous species, to local extinction. In this study, we collected species distribution information from herbarium specimens for ten selected Cyananthus and Primula alpine species endemic to the Himalaya-Hengduan Mountains (HH...

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Main Authors: Xie He, Kevin S. Burgess, Lian-Ming Gao, De-Zhu Li
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2019-02-01
Series:Plant Diversity
Online Access:http://www.sciencedirect.com/science/article/pii/S2468265918301823
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author Xie He
Kevin S. Burgess
Lian-Ming Gao
De-Zhu Li
author_facet Xie He
Kevin S. Burgess
Lian-Ming Gao
De-Zhu Li
author_sort Xie He
collection DOAJ
description Global warming increases the vulnerability of plants, especially alpine herbaceous species, to local extinction. In this study, we collected species distribution information from herbarium specimens for ten selected Cyananthus and Primula alpine species endemic to the Himalaya-Hengduan Mountains (HHM). Combined with climate data from WorldClim, we used Maximum Entropy Modeling (MaxEnt) to project distributional changes from the current time period to 2070. Our predictions indicate that, under a wide range of climate change scenarios, the distributions of all species will shift upward in elevation and northward in latitude; furthermore, under these scenarios, species will expand the size of their range. For the majority of the species in this study, habitats are available to mitigate upward and northward shifts that are projected to be induced by changing climate. If current climate projections, however, increase in magnitude or continue to increase past our projection dates, suitable habitat for future occupation by alpine species will be limited as we predict range contraction or less range expansion for some of the species under more intensified climate scenarios. Our study not only underscores the value of herbarium source information for future climate model projections but also suggests that future studies on the effects of climate change on alpine species should include additional biotic and abiotic factors to provide greater resolution of the local dynamics associated with species persistence under a warming climate. Keywords: Global warming, MaxEnt, Range expansion, Alpine species, Himalaya-Hengduan Mountains
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spelling doaj.art-1821a391913449feb177bc35bf4a84aa2022-12-21T23:27:15ZengKeAi Communications Co., Ltd.Plant Diversity2468-26592019-02-014112632Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan MountainsXie He0Kevin S. Burgess1Lian-Ming Gao2De-Zhu Li3Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China; CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China; Kunming College of Life Sciences, University of Chinese Academy of Sciences, Kunming, Yunnan, 650201, ChinaDepartment of Biology, College of Letters & Sciences, Columbus State University, University System of Georgia, Columbus, GA, 31907-5645, USACAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China; Corresponding author. Fax: +86 871 6522 5286.Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China; CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China; Kunming College of Life Sciences, University of Chinese Academy of Sciences, Kunming, Yunnan, 650201, China; Corresponding author. Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China. Fax: +86 871 6521 7791.Global warming increases the vulnerability of plants, especially alpine herbaceous species, to local extinction. In this study, we collected species distribution information from herbarium specimens for ten selected Cyananthus and Primula alpine species endemic to the Himalaya-Hengduan Mountains (HHM). Combined with climate data from WorldClim, we used Maximum Entropy Modeling (MaxEnt) to project distributional changes from the current time period to 2070. Our predictions indicate that, under a wide range of climate change scenarios, the distributions of all species will shift upward in elevation and northward in latitude; furthermore, under these scenarios, species will expand the size of their range. For the majority of the species in this study, habitats are available to mitigate upward and northward shifts that are projected to be induced by changing climate. If current climate projections, however, increase in magnitude or continue to increase past our projection dates, suitable habitat for future occupation by alpine species will be limited as we predict range contraction or less range expansion for some of the species under more intensified climate scenarios. Our study not only underscores the value of herbarium source information for future climate model projections but also suggests that future studies on the effects of climate change on alpine species should include additional biotic and abiotic factors to provide greater resolution of the local dynamics associated with species persistence under a warming climate. Keywords: Global warming, MaxEnt, Range expansion, Alpine species, Himalaya-Hengduan Mountainshttp://www.sciencedirect.com/science/article/pii/S2468265918301823
spellingShingle Xie He
Kevin S. Burgess
Lian-Ming Gao
De-Zhu Li
Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan Mountains
Plant Diversity
title Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan Mountains
title_full Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan Mountains
title_fullStr Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan Mountains
title_full_unstemmed Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan Mountains
title_short Distributional responses to climate change for alpine species of Cyananthus and Primula endemic to the Himalaya-Hengduan Mountains
title_sort distributional responses to climate change for alpine species of cyananthus and primula endemic to the himalaya hengduan mountains
url http://www.sciencedirect.com/science/article/pii/S2468265918301823
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