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首页> 外文期刊>Zoological Science >Clutch Size in the Tropical Scincid Lizard Emoia sanfordi, a Species Endemic to the Vanuatu Archipelago
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Clutch Size in the Tropical Scincid Lizard Emoia sanfordi, a Species Endemic to the Vanuatu Archipelago

机译：瓦努阿图群岛特有物种热带蜥蜴蜥蜴Emoia sanfordi中的离合大小

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摘要

The majority of species in the scincid genus Emoia (Squamata: Scincidae) have a fixed clutch size of two eggs per clutch and produce between two and four clutches per year. One lineage within Emoia, the Emoia samoensis species group, consists of 13 species occurring in Melanesia and the islands of the southwestern Pacific Ocean, and exhibits variation in clutch size, with previously reported clutch sizes of two to five eggs. Little is known about reproduction in several members of this lineage including Emoia sanfordi, a large-bodied lizard endemic to the archipelago of Vanuatu in the South Pacific. We analyzed reproduction and clutch size in E. sanfordi females and discovered that there is a substantial amount of intraspecific variation, with clutch size ranging from two to seven eggs, with a modal clutch size of five eggs. Females were reproductively active throughout the study period of June through October and appear to be laying multiple clutches. The variation in clutch size seen in E. sanfordi is congruent with the variation previously reported within other closely related species.
机译：奇特的Emoia属（鳞片：Scincidae）中的大多数种具有固定的离合大小，每个离合两个蛋，每年产两到四个离合。 Emoia内的一个血统是samoensis物种组，由发生在美拉尼西亚和西南太平洋诸岛的13个物种组成，并显示出离合器的大小变化，先前报道的离合器大小为2至5个卵。人们对这种血统的几个成员的繁殖知之甚少，其中包括Emoia sanfordi，这是南太平洋瓦努阿图群岛特有的大型蜥蜴。我们分析了桑福德氏大肠杆菌雌性的繁殖和离合大小，发现种内差异很大，离合大小为2到7个卵，模态离合大小为5个卵。在整个6月至10月的研究期间，雌性的生殖活动活跃，并且似乎处于多个关键时期。 E. sanfordi中看到的离合器大小的变化与先前在其他密切相关物种中报道的变化一致。

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