Cryptic diversity of Rhinolophus lepidus in South Asia and differentiation across a biogeographic barrier

Q2 Agricultural and Biological Sciences

Frontiers of Biogeography Pub Date : 2021-01-01 DOI:10.21425/f5fbg49625

B. Chattopadhyay, Kritika M. Garg, D. P. Swami Doss, A. Vinothkumar, Sripathi Kandula, F. Rheindt, U. Ramakrishnan

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引用次数: 2

Abstract

volant mammals across the Palghat Gap. Abstract Peninsular India is an important region for mammalian diversification and harbors major biogeographic barriers. However, little is known about the role of this region in the diversification of bats though it harbors high chiropteran diversity. In this study, we used phenotypic, acoustic, and genetic markers to assess the diversification of Rhinolophus lepidus bats in South Asia. We first investigated if peninsular India is associated with speciation of R. lepidus . Further, we tested if the Palghat Gap acts as a biogeographic barrier to gene flow in this species. Our results revealed cryptic genetic diversity in peninsular India suggesting that this region holds at least one endemic species level lineage of the R. lepidus species complex. Analyses of populations of R. lepidus across the Palghat Gap in the Western Ghats revealed clinal variation in phenotype, with bats south of this barrier being bigger and emitting echolocation calls of higher frequency. We also observed that populations on either side of the Palghat Gap have

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南亚lepidus Rhinolophus的隐蔽多样性和跨越生物地理屏障的分化

穿越帕尔加特峡谷的volant哺乳动物。摘要印度半岛是哺乳动物多样化的重要地区，也是主要的生物地理屏障。然而，人们对该地区在蝙蝠多样化中的作用知之甚少，尽管该地区拥有高度的翼手目多样性。在这项研究中，我们使用表型、声学和遗传标记来评估南亚犀牛蝙蝠的多样性。我们首先调查了印度半岛是否与勒皮杜斯的物种形成有关。此外，我们测试了Palghat Gap是否是该物种基因流动的生物地理屏障。我们的研究结果揭示了印度半岛神秘的遗传多样性，这表明该地区至少拥有一个勒皮杜氏R.lepidus物种复合体的特有物种级谱系。对西高止山脉Palghat Gap对面的勒皮杜耳蝙蝠种群的分析揭示了表型的临床变化，该屏障以南的蝙蝠体型更大，发出更高频率的回声定位叫声。我们还观察到，帕尔加特峡谷两侧的人口

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来源期刊

Frontiers of Biogeography Environmental Science-Ecology

CiteScore

4.30

自引率

0.00%

发文量

审稿时长

6 weeks

期刊介绍： Frontiers of Biogeography is the scientific magazine of the International Biogeography Society (http://www.biogeography.org/). Our scope includes news, original research letters, reviews, opinions and perspectives, news, commentaries, interviews, and articles on how to teach, disseminate and/or apply biogeographical knowledge. We accept papers on the study of the geographical variations of life at all levels of organization, including also studies on temporal and/or evolutionary variations in any component of biodiversity if they have a geographical perspective, as well as studies at relatively small scales if they have a spatially explicit component.