學術資源整合系統-相關推薦
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| 作者 | Tao, Shan-Dar;Toda, Mamoru |
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| 出版日期 | 202404 |
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| 著作名稱 | Variation in cold tolerance of northern edge populations of the common house gecko (Hemidactylus frenatus)
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| 刊名 | Herpetological Conservation and Biology |
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| 卷 | 19 |
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| 期 | 1 |
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| 頁數 | 73-83 |
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| 被收錄索引 | SCI;SCI |
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| 主題 | 動物;動物 |
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| 關鍵字 | climate change; cold tolerance; range expansion; latitude; global warming |
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| 摘要 | The Common House Gecko (Hemidactylus frenatus) is one of the most successful colonizers among squamates and is widely distributed in tropical and subtropical regions of the world. Recently, this species has been found on the island of Amamioshima, Japan, extending its previous northern range limit, and it has quickly
spread throughout the island within two decades. Possible explanations for this rapid northward range expansion might be because of climate change or to adaptation of the gecko to the cooler weather on the island. We examined meteorological data and inter-population variation in cold tolerance of this species near the northern edge to
test these hypotheses. We also compared the cold tolerance of this gecko between urban/rural populations on islands at different latitudes. We found that rural populations consistently have lower CTmin compared to their counterpart urban populations on all islands. The higher latitude populations tended to have lower CTmin, but the lowest CTmin was found in the rural population of Okinawajima instead of the northernmost on Amamioshima, despite that weather on the latter island is apparently colder than that of the former. Meteorological data also showed an increase in temperature on all three islands, and the average temperature of Amamioshima after 2000 is similar to the temperature of Okinawa before 1955. These results suggest that the recent range expansion at the northern edge of this species is chiefly attributable to climate change, but the significant geographic difference in cold tolerance suggests a contribution from local adaptation. |
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| 系統號 | NO000007773 |
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