Thermal Reaction Norms of Locomotor Performance in Lacertid Lizards of the Genus Takydromus
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- MOCHIDA Koji
- Tropical Biosphere Research Center, University of Ryukyus Department of Biology, Keio University
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- SASAI Takahide
- Tropical Biosphere Research Center, University of Ryukyus Suma Aqualife Park Kobe
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- KADOTA Yohei
- Department of Zoology, Graduate School of Science, Kyoto University
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- NISHIKAWA Mari
- Department of Zoology, Graduate School of Science, Kyoto University
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- M. ITOU Makoto
- Department of Zoology, Graduate School of Science, Kyoto University
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- TODA Mamoru
- Tropical Biosphere Research Center, University of Ryukyus
書誌事項
- タイトル別名
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- Thermal Reaction Norms of Locomotor Performance in Lacertid Lizards of the Genus <i>Takydromus</i>
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説明
<p>Thermal reaction norms of sprint speed were examined in three lacertid lizard species (Takydromus tachydromoides, T. smaragdinus, and T. dorsalis). We found inter- and intraspecific variations in maximum sprint speed, optimal body temperature, and thermal performance breadth for the best sprints. The thermal performance breadth of T. smaragdinus was broader than that of T. tachydromoides or T. dorsalis, whereas T. dorsalis sprinted faster than the others. In T. smaragdinus, individuals with narrower performance breadths run faster within their thermal range of expertise. There were “specialist” individuals of which performance depended heavily on high temperatures, as well as “generalist” individuals that performed well over a broad range of temperatures even within a single population. We discussed that the spatiotemporal instability of habitats might favor more than one type of thermal reaction norm of sprint performance, and this phenomenon may be driven by specialist–generalist trade-offs.</p>
収録刊行物
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- Current herpetology
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Current herpetology 37 (2), 114-123, 2018
日本爬虫両棲類学会
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詳細情報 詳細情報について
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- CRID
- 1390845712994817024
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- NII論文ID
- 130007458186
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- NII書誌ID
- AA12246863
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- ISSN
- 18811019
- 13455834
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- NDL書誌ID
- 029190233
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可