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Open AccessArticle

Future Climate Change Will Have a Positive Effect on Populus davidiana in China

by Jie Li 1, Guan Liu 1, Qi Lu 1, Yanru Zhang 2, Guoqing Li 2,3,* and Sheng Du 2,3
1
College of Forestry, Northwest A&F University, Yangling 712100, China
2
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, China
3
State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China
*
Author to whom correspondence should be addressed.
Forests 2019, 10(12), 1120; https://doi.org/10.3390/f10121120
Received: 15 October 2019 / Revised: 4 December 2019 / Accepted: 6 December 2019 / Published: 8 December 2019
(This article belongs to the Section Forest Ecology and Management)
Since climate change significantly affects global biodiversity, a reasonable assessment of the vulnerability of species in response to climate change is crucial for conservation. Most existing methods estimate the impact of climate change on the vulnerability of species by projecting the change of a species’ distribution range. This single-component evaluation ignores the impact of other components on vulnerability. In this study, Populus davidiana (David’s aspen), a tree species widely used in afforestation projects, was selected as the research subject under four future climate change scenarios (representative concentration pathway (RCP)2.6, RCP4.5, RCP6.0, and RCP8.5). Exposure components of range change as well as the degree of fragmentation, degree of human disturbance, and degree of protection were considered simultaneously. Then, a multicomponent vulnerability index was established to assess the effect of future climate change on the vulnerability of P. davidiana in China. The results show that the distribution range of P. davidiana will expand to the northwest of China under future climate change scenarios, which will lead to an increased degree of protection and a decreased degree of human disturbance, and hardly any change in the degree of fragmentation. The multicomponent vulnerability index values of P. davidiana under the four emission scenarios are all positive by 2070, ranging from 14.05 to 38.18, which fully indicates that future climate change will be conducive to the survival of P. davidiana. This study provides a reference for the development of conservation strategies for the species as well as a methodological case study for multicomponent assessment of species vulnerability to future climate change. View Full-Text
Keywords: climate change; Populus davidiana; vulnerability; fragmentation; human footprint climate change; Populus davidiana; vulnerability; fragmentation; human footprint
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Li, J.; Liu, G.; Lu, Q.; Zhang, Y.; Li, G.; Du, S. Future Climate Change Will Have a Positive Effect on Populus davidiana in China. Forests 2019, 10, 1120.

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