| タイトル |
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Multiple trans-Beringia dispersals of the barklouse genus Trichadenotecnum (Insecta: Psocodea: Psocidae)
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| 作成者 |
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Casasola González, José Arturo
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García Aldrete, Alfonso Neri
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| アクセス権 |
open access |
| 権利情報 |
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en
This is a pre-copyedited, author-produced version of an article accepted for publication in Biological Journal of the Linnean Society following peer review. The version of record Volume 121, Issue 3, July 2017, Pages 501–513 is available online at: https://doi.org/10.1093/biolinnean/blx006.
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| 主題 |
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Other
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Arcto-Tertiary relict biota
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Other
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Beringia
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Other
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Isthmus of Panama
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Other
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molecular phylogeny
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Other
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molecular dating
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Other
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ancestral area reconstruction
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NDC
486
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| 内容注記 |
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Abstract
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The causes underlying disjunct distributions are of major importance in biogeography. Arcto-Tertiary relict biotas in the temperate northern hemisphere, which typically show disjunct distributions between Asia and the Nearctic region, are widely known, but often poorly understood examples of disjunct distributions. The distributional pattern of the barklouse genus Trichadenotecnum is an example of an Arcto-Tertiary relict, with centres of species diversity in Asia and Central America. We evaluated the potential causes of this disjunct distribution in Trichadenotecnum using a molecular phylogeny, divergence dating and ancestral area reconstruction. Phylogenetic analysis identified three separate clades of New World Trichadenotecnum, whereas all other groups were distributed in the Old World. Ancestral area and dating analyses recovered three independent events of trans-Beringian dispersal in the Oligocene to Miocene (27–15 Mya). The formation of two disjunct centres of diversity can be explained by the restriction of distributional areas to temperate refugia during the Quaternary glaciations (2.5–0.02 Mya). The South American Trichadenotecnum appeared to have arisen from two independent dispersal events in the Miocene (19–9 Mya). These estimated dispersal dates are much older than the generally assumed date (Pleistocene: c. 3 Mya) for the formation of the Isthmus of Panama.
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| 出版者 |
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Oxford University Press
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| 日付 |
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| 言語 |
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| 資源タイプ |
journal article |
| 出版タイプ |
AM |
| 資源識別子 |
HDL
http://hdl.handle.net/2115/75535
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| 関連 |
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isVersionOf
DOI
https://doi.org/10.1093/biolinnean/blx006
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| 収録誌情報 |
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PISSN
0024-4066
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EISSN
1095-8312
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NCID
AA00565321
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en
Biological Journal of the Linnean Society
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巻121
号3
開始ページ501
終了ページ513
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| ファイル |
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| コンテンツ更新日時 |
2023-07-26 |
