首页|Unraveling the macroevolution of horseshoe bats(Chiroptera:Rhinolophidae:Rhinolophus)

Unraveling the macroevolution of horseshoe bats(Chiroptera:Rhinolophidae:Rhinolophus)

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Unraveling the diversification mechanisms of organisms is a fundamental and important macroevolutionary question regarding the diversity,ecological niche,and morphological divergence of life.However,many studies have only explored diversification mechanisms via isolated factors.Here,based on comparative phylogenetic analysis,we performed a macroevolutionary examination of horseshoe bats(Chiroptera:Rhinolophidae:Rhinolophus),to reveal the inter-relationships among diversification,intrinsic/extrinsic factors,and climatic ecological niche characteristics.Results showed a general slowing trajectory during diversification,with two dispersal events from Asia into Southeast Asia and Africa playing key roles in shaping regional heterogeneous diversity.Morphospace expansions of the investigated traits(e.g.,body size,echolocation,and climate niche)revealed a decoupled pattern between diversification trajectory and trait divergence,suggesting that other factors(e.g.,biotic interactions)potentially played a key role in recent diversification.Based on ancestral traits and pathway analyses,most Rhinolophus lineages belonging to the same region overlapped with each other geographically and were positively associated with the diversification rate,implying a competitive prelude to speciation.Overall,our study showed that multiple approaches need to be integrated to address diversification history.Rather than a single factor,the joint effects of multiple factors(biogeography,environmental drivers,and competition)are responsible for the current diversity patterns in horseshoe bats,and a corresponding multifaceted strategy is recommended to study these patterns in the future.

DiversificationRhinolophusHistorical biogeographyAbiotic/Biotic factorsClimatic niche characteristicsCompetition

Wei-Jian Guo、Yi Wu、Kai He、Yi-Bo Hu、Xiao-Yun Wang、Wen-Hua Yu

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Key Laboratory of Conservation and Application in Biodiversity of South China,School of Life Sciences,Guangzhou University,Guangzhou,Guangdong 510000,China

CAS Key Laboratory of Animal Ecology and Conservation Biology,Institute of Zoology,Chinese Academy of Sciences,Beijing 100101,China

国家自然科学基金国家自然科学基金国家自然科学基金Special Foundation for National Science and Technology Basic Research Program of China

3197039432192421313003142021FY100303

2023

10.24272/j.issn.2095-8137.2022.265

动物学研究
中国科学院昆明动物研究所 中国动物学会

动物学研究

CSTPCDCSCD
影响因子：0.582
ISSN：0254-5853
年,卷(期)：2023.44(1)
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