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首页> 外文期刊>Biology Bulletin >Skull Sizes and Proportions in Western Palearctic Wood Mice (Sylvaemus, Muridae, Rodentia) from Eastern Europe: 2. Intraspecific Variability
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Skull Sizes and Proportions in Western Palearctic Wood Mice (Sylvaemus, Muridae, Rodentia) from Eastern Europe: 2. Intraspecific Variability

机译：来自东欧的颅骨尺寸和比例在西部的PaleAnctic Wood Mice（Sylvaemus，Muridae，令人生产）：2。内部可变形

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摘要

Intraspecific variability of craniometric characters (absolute measurements and indices) has been studied in the pygmy wood mouse Sylvaemus uralensis and the yellow-necked mouse S. flavicollis from a number of localities of Eastern Europe. A total of 478 skulls of Sylvaemus specimens were measured and analyzed. Cluster analysis of skull measurements showed that both S. uralensis and S. flavicollis could be split into two groups, the northern and the southern ones, which completely correspond to the genetically described intraspecific structure of S. flavicollis, but only partly in regards to S. uralensis. The northern and southern groups of both species are distinguished for the first time using discriminant analysis. Indices (relative skull measurements) related to the character of feeding are discussed. The intraspecific craniometric variability of S. flavicollis is suggested to be related to distinctions in the diet and the ways of getting food, whereas for S. uralensis no relation between the values of the indices of the dental apparatus and feeding features in different parts of its distribution range has been revealed.
机译：侏儒木小鼠Sylvaemus uralensis和来自东欧的几个地方的侏儒木小鼠Sylvaemus uralensis和黄颈小鼠S.Flavicollis的抗内特异性变异。测量并分析了共测量478个Sylvaemus标本的头骨。颅骨测量的聚类分析表明，S.Ulalensis和S.Flavicollis可以分为两组，北部和南部，完全对应于遗传描述的S.Flavicollis的惯性结构，但仅条不及。Uralensis。两种物种的北部和南部群体首次使用判别分析来区分。讨论了与饲养特征相关的索引（相对颅骨测量）。 S.Flavicollis的内部碎屑变异性建议与饮食中的区别和获得食物的方式有关，而S. Uralensis在其不同部分的牙科设备指数的价值之间无关系分配范围已揭示。

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