globalchange  > 全球变化的国际研究计划
DOI: 10.3390/f10080622
WOS ID: WOS:000482949200010
Local Adaptation and Response of Platycladus orientalis (L.) Franco Populations to Climate Change
Author: Hu, Xian-Ge1,2; Mao, Jian-Feng1; El-Kassaby, Yousry A.2; Jia, Kai-Hua1; Jiao, Si-Qian1; Zhou, Shan-Shan1; Li, Yue1; Coops, Nicholas C.3; Wang, Tongli2
Corresponding Author: Mao, Jian-Feng ; Wang, Tongli
Source Publication: FORESTS
EISSN: 1999-4907
Publishing Year: 2019
Volume: 10, Issue:8
Language: 英语
Keyword: provenance test ; Platycladus orientalis ; climate change ; universal response function ; assisted migration ; adaptation
WOS Category: Forestry
WOS Research Area: Forestry
English Abstract:

Knowledge about the local adaptation and response of forest tree populations to the climate is important for assessing the impact of climate change and developing adaptive genetic resource management strategies. However, such information is not available for most plant species. Here, based on 69 provenances tested at 19 common garden experimental sites, we developed a universal response function (URF) for tree height at seven years of age for the important and wide-spread native Chinese tree species Platycladus orientalis (L.) Franco. URF was recently used to predict the potential growth response of a population originating from any climate and growing in any climate conditions. The developed model integrated both genetic and environmental effects, and explained 55% of the total variation in tree height observed among provenances and test sites in China. We found that local provenances performed better than non-local counterparts in habitats located in central, eastern, and southwestern China, showing the evidence of local adaptation as compared to other regions. In contrast, non-local provenances outperformed local ones in peripheral areas in northern and northwestern China, suggesting an adaptational lag in these areas. Future projections suggest that the suitable habitat areas of P. orientalis would expand by 15%-39% and shift northward by 0.8-3 degrees in latitude; however, the projected tree height of this species would decline by 4%-8% if local provenances were used. If optimal provenances were used, tree height growth could be improved by 13%-15%, along with 59%-71% suitable habitat expansion. Thus, assisted migration with properly selected seed sources would be effective in avoiding maladaptation in new plantations under a changing climate for P. orientalis.

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被引频次[WOS]:3   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Appears in Collections:全球变化的国际研究计划

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Affiliation: 1.Beijing Forestry Univ, Beijing Adv Innovat Ctr Tree Breeding Mol Design, Natl Engn Lab Tree Breeding,Minist Educ,Coll Biol, Key Lab Genet & Breeding Forest Trees & Ornamenta, Beijing 100083, Peoples R China
2.Univ British Columbia, Dept Forest & Conservat Sci, Fac Forestry, 2424 Main Mall, Vancouver, BC V6T 1Z4, Canada
3.Univ British Columbia, Dept Forest Resources Management, Fac Forestry, 2424 Main Mall, Vancouver, BC V6T 1Z4, Canada

Recommended Citation:
Hu, Xian-Ge,Mao, Jian-Feng,El-Kassaby, Yousry A.,et al. Local Adaptation and Response of Platycladus orientalis (L.) Franco Populations to Climate Change[J]. FORESTS,2019-01-01,10(8)
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