埃及赤狐颅骨变异与两性异形

M. Younes
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引用次数: 2

摘要

在食肉动物的头骨大小方面,其他一些研究试图检验食肉动物头骨形状的性别二态性。为了了解形状和大小与头骨变异性和分化之间的关系,本研究分析了来自埃及的红狐头骨样本的形态测定学。采用多元统计技术对全国各地收集的186个红狐头骨进行了分析。所有测量结果都进行了主成分分析,以便根据大小和形状对标本进行分类。红狐的头骨表现出显著的个体差异。年龄与红狐的大小和形状变化有关。亚成年和成年红狐的头骨大小和形状在很大程度上是重叠的。红狐的头骨表现出明显的两性二态性,年龄较大的雄性略大于雌性。根据他们的头骨测量,来自地中海西部海岸沙漠和西部沙漠绿洲的红狐与来自该国其他地区的红狐不同。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Variation of the Skull and Sexual Dimorphism of Red Fox Sample from Egypt
in carnivore skull size, other few studies have attempted to examine sexual dimorphism in skull shape in carnivores. In order to understand how shape and size relate to skull variability and differentiation, the current study analyses the morphometry of red fox sample skulls from Egypt. Multivariate statistical techniques were used to examine a total of 186 red fox skulls that had been collected around the whole country. All measurements were subjected to principal component analysis in order to categorize specimens according to size and shape. The skulls of red foxes exhibit significant individual variation. Age is related to the size and shape variations in red foxes. The size and shape of the skulls of sub-adult and adult red foxes largely overlap. Red fox skulls exhibit quietly pronounced sexual dimorphism, with older males being slightly larger than females. According to their cranial measurements, red foxes from the Western Mediterranean Coastal Desert and Western Desert Oases differ from those from the other regions of the country.
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