Coming to the Caribbean-acclimation of Rhesus macaques (Macaca mulatta) at Cayo Santiago.
Coming to the Caribbean-acclimation of Rhesus macaques (Macaca mulatta) at Cayo Santiago.
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来到圣地亚哥岛的加勒比海驯化恒河猴（Macaca mulatta）。
DOI：
10.1002/ajpa.24748
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发表时间：
2023
期刊：
影响因子：
--
通讯作者：
Wang,Qian
中科院分区：
文献类型：
--
作者：
Francis,George;Wang,Qian
目的调查1938年从印度勒克瑙（纬度：26.8470°N，温度范围8°C至41°C）来到波多黎各圣地亚哥岛（纬度：18.1564°N，温度范围19°C至32°C）的恒河猴种群是否已经适应了热带岛屿的环境。材料和方法利用收集的骨骼资料，测量了635例（237例男性和398例女性）骨骼成熟个体的长骨长度、骨干周长和体重。测量取样了1951年至2002年在圣地亚哥岛出生的51年的群体成员。结果结果表明，男性和女性的体重和骨干周长均明显下降。女性的长骨长度相对于体重和骨干周长也有所增加。而男性的体重、长骨长度和骨干周长几乎以平行的速度下降。自从80多年前到达这个加勒比岛屿以来，这些人已经适应了同质的热带环境。两性的趋势都符合伯格曼法则，尽管女性的体重下降幅度更大，与艾伦法则的关系也更密切。与男性竞争有关的缓冲效应可能是造成这种差异的原因。总体而言，圣地亚哥岛的人口在其历史的重要时期（1951-2002年）通过缩小体型和改变身体比例来适应其岛屿条件。
ObjectivesTo investigate whether the Cayo Santiago, Puerto Rico (Latitude: 18.1564°N; temperature range 19°C to 32°C) rhesus macaque population has acclimated to their tropical island conditions since arriving from Lucknow, India (Latitude: 26.8470°N; temperature range 8°C to 41°C) in 1938.Materials and MethodsUsing the derived skeletal collection, measurements were taken of long bone lengths, diaphyseal circumference, and body weight using 635 (237 males and 398 females) skeletally mature individuals. Measurements sampled colony members born over a 51‐year time span at Cayo Santiago, from 1951 to 2002.ResultsResults demonstrated that body weights and diaphyseal circumferences significantly declined in both males and females. Long bone lengths relative to body weight and diaphyseal circumference also increased in females. Whereas body weight, long bone length and diaphyseal circumference declined at near parallel rates in males.DiscussionThe population has acclimated to homogenous, tropical, conditions of the Caribbean island since their arrival over 80 years ago. Trends in both sexes aligned with Bergmann's rule, though females displayed a greater decline in body weight, as well as greater affinity with Allen's rule, than did males. Buffering effects related to male competition may be responsible for this discrepancy. Overall, the Cayo Santiago populations, as shown over a significant period (1951–2002) of their history, have acclimated to their island conditions by decreasing in size and altering body proportions.
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