日本西部丹卓岛日本弹齿虎(剑齿虎科，鳞片目)形态与生态特征的初步研究

IF 0.6 4区生物学 Q4 ZOOLOGY

Current Herpetology Pub Date : 2021-08-25 DOI:10.5358/hsj.40.182

T. Okamoto, Takeo Kuriyama, Koshiro Eto, M. Hasegawa

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引用次数: 0

摘要

摘要/ Abstract摘要:根据野外观测资料和博物馆标本资料，对东海小岛屿丹丘群岛(Danjo Islands)日本Plestiodon japonicus种群形态和生态特征进行了研究。据估计，这个岛屿群的蜥蜴种群密度高于同种大陆种群。此外，丹洼岛的日本刺参与日本刺参的区别还表现在:体表鳞片行数和亚数鳞片数量较多，幼体颜色偏黑，条纹花纹不同，尾色淡黄，雄体性成熟延迟。简要讨论了这些发现的进化意义。

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A Preliminary Study of the Morphological and Ecological Characteristics of Plestiodon japonicus (Scincidae, Squamata) on the Danjo Islands, Western Japan

Abstract: The morphological and ecological characteristics are studied for the population of Plestiodon japonicus of the Danjo Islands, a group of small islands in the East China Sea, on the basis of field observations and data from museum specimens. The population density of the lizards in this island group was estimated to be higher than those in conspecific mainland populations. Also, P. japonicus of the Danjo islands were differentiated from the latter by the following combination of characters: larger number of mid-body scale rows and subdigital scales, blackish juvenile coloration with different stripe pattern, faded tail color, and delayed sexual maturity in males. The evolutionary implications of these findings are briefly discussed.

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来源期刊

Current Herpetology Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.20

自引率

14.30%

发文量

期刊介绍： Current Herpetology publishes original research articles on amphibians and reptiles. It is the official journal of the Herpetological Society of Japan and is a continuation of Acta Herpetologica Japonica (1964–1971) and Japanese Journal of Herpetology (1972-1999).