globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0168711
论文题名:
Phylogeography of the Chydorus sphaericus Group (Cladocera: Chydoridae) in the Northern Palearctic
作者: Alexey A. Kotov; Dmitry P. Karabanov; Eugeniya I. Bekker; Tatiana V. Neretina; Derek J. Taylor
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2016
发表日期: 2016-12-19
卷: 11, 期:12
语种: 英语
英文关键词: Haplotypes ; Phylogeography ; Phylogenetic analysis ; Sequence alignment ; Biogeography ; Mitochondria ; Fresh water ; Sequence databases
英文摘要: The biodiversity and the biogeography are still poorly understood for freshwater invertebrates. The crustacean Chydorus sphaericus-brevilabris complex (Cladocera: Chydoridae) is composed of species that are important components of Holarctic freshwater food webs. Recent morphological and genetic study of the complex has indicated a substantial species diversity in the northern hemisphere. However, we know little of the geographic boundaries of these novel lineages. Moreover, a large section of the Palearctic remains unexamined at the genetic level. Here we attempt to address the biodiversity knowledge gap for the Chydorus sphaericus group in the central Palearctic and assess its diversity and biogeographic boundaries. We sequenced nuclear (ITS-2) and mitochondrial (COI) gene regions of Chydorus specimens across the Palearctic and compared them with already available Holarctic sequences. We detected six main clades in the C. sphaericus group in the Palearctic, of which two of the groups are novel. Three of the more divergent clades are geographically widespread. The central portion of Eurasia (the Yenisey River basin) appears to be a narrow zone of secondary contact for phylogroups that expanded from European and Beringian refugia. As such, the previously unsampled central Palearctic represents an important region for understanding the evolutionary consequences of Pleistocene climatic oscillations on the Chydorus sphaericus group.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0168711&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/25163
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Laboratory of Aquatic Ecology and Invasions, A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Sciences, Moscow, Russia;Laboratory of Aquatic Ecology and Invasions, A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Sciences, Moscow, Russia;Laboratory of Fish Ecology, I. D. Papanin Institute for Biology of Inland Waters of Russian Academy of Sciences, Borok, Yaroslavl Area, Russia;Laboratory of Aquatic Ecology and Invasions, A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Sciences, Moscow, Russia;White Sea Biological Station, Biological Faculty, M.V. Lomonosov Moscow State University, Moscow, Russia;Department of Biological Sciences, The State University of New York at Buffalo, Buffalo, United States of America

Recommended Citation:
Alexey A. Kotov,Dmitry P. Karabanov,Eugeniya I. Bekker,et al. Phylogeography of the Chydorus sphaericus Group (Cladocera: Chydoridae) in the Northern Palearctic[J]. PLOS ONE,2016-01-01,11(12)
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