Niche overlap and divergence times support niche conservatism in eastern Asia-Eastern North America disjunct plants
Yin,Xue; Jarvie,Scott; Guo,Wen-Yong; Deng,Tao; Mao,Lingfeng; Zhang,Minhua; Chu,Chengjin; Qian,Hong; Svenning,Jens-Christian; He,Fangliang
AbstractAim The plant species sharing ancestors now disjunctly distributed in eastern Asia (EAS) and eastern North America (ENA) have long been a biogeographic puzzle. Species within the EAS-ENA disjunct genera are presumed to exhibit niche conservatism, the tendency of closely related species to be more ecologically similar, reflecting lineages' common evolutionary history. However, the hypothesis has not been well examined at the species level. Location EAS and ENA. Time period Current. Major taxa studied Species within the EAS-ENA disjunct genera. Methods We compiled data on climate, species occurrence, growth form, and phylogeny to examine niche conservatism. We first built a phylogenetic tree to select intercontinental congeneric pairwise species and obtained their divergence times. We then quantified the observed niche overlaps with Schoener's D, which has a 0-1 range, based on species occurrence and climate of species' native ranges. To obtain projected distributions, each species' niche was projected to the non-native region using ensemble ecological niche models. Projected-related niche overlaps were then calculated using projected distributions and the corresponding climatic conditions. Results Average observed niche overlaps of congeneric pairwise species were relatively small: .124, .211 and .109 for all, herbaceous and woody species, respectively. Both observed and projected-related niche overlaps had significant negative relationships with divergence times of intercontinental congeneric pairwise species, with niche overlap for herbaceous species being higher than that for woody plants when controlling for divergence times. Main conclusions We conclude that the significant negative relationships between niche overlap and divergence times of congeneric pairwise species confirm niche conservatism among species of EAS-ENA disjunct plants and that the extent of niche conservatism is slightly different for herbaceous and woody plants. These findings suggest the potential role of allopatric speciation in EAS, and could help to understand the evolutionary history and the Asian-bias diversity pattern of the EAS-ENA disjunct plants.
Keyworddivergence times EAS-ENA plant disjunction ensemble ecological niche models niche conservatism niche overlap pairwise species SPECIES DISTRIBUTION MODELS SAMPLE-SIZE PSEUDO-ABSENCES VASCULAR PLANTS EVOLUTION ECOLOGY DIVERSITY DISTRIBUTIONS ACCURACY ANGIOSPERMS
WOS IDWOS:000674300800001
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Document Type期刊论文
Affiliation1.Sun Yat Sen Univ, State Key Lab Biocontrol, Guangzhou 510275, Peoples R China
2.Sun Yat Sen Univ, Sch Life Sci, Guangzhou 510275, Peoples R China
3.Aarhus Univ, Dept Biol, Sect Ecoinformat & Biodivers, Aarhus, Denmark
4.Aarhus Univ, Ctr Biodivers Dynam Changing World BIOCHANGE, Dept Biol, Aarhus, Denmark
5.Otago Reg Council, Dunedin, New Zealand
6.East China Normal Univ, Sch Ecol & Environm Sci, Shanghai, Peoples R China
7.Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Div & Biogeog East Asia, Kunming, Yunnan, Peoples R China
8.Nanjing Forestry Univ, Coll Biol & Environm, Coinnovat Ctr Sustainable Forestry Southern China, Nanjing, Peoples R China
9.East China Normal Univ, Zhejiang Tiantong Forest Ecosyst Natl Observat &, ECNU Alberta Joint Lab Biodivers Study, Shanghai, Peoples R China
10.Illinois State Museum, Res & Collect Ctr, Springfield, IL USA
11.Univ Alberta, Dept Renewable Resources, Edmonton, AB, Canada
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GB/T 7714
Yin,Xue,Jarvie,Scott,Guo,Wen-Yong,et al. Niche overlap and divergence times support niche conservatism in eastern Asia-Eastern North America disjunct plants[J]. GLOBAL ECOLOGY AND BIOGEOGRAPHY,2021,30(10):1990-2003.
APA Yin,Xue.,Jarvie,Scott.,Guo,Wen-Yong.,Deng,Tao.,Mao,Lingfeng.,...&He,Fangliang.(2021).Niche overlap and divergence times support niche conservatism in eastern Asia-Eastern North America disjunct plants.GLOBAL ECOLOGY AND BIOGEOGRAPHY,30(10),1990-2003.
MLA Yin,Xue,et al."Niche overlap and divergence times support niche conservatism in eastern Asia-Eastern North America disjunct plants".GLOBAL ECOLOGY AND BIOGEOGRAPHY 30.10(2021):1990-2003.
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