格洛格尔的规则还是历史猜测? 在哺乳动物中的测试
Natasha Howell1, Tim Caro1,2
1School of Biological Sciences University of Bristol Bristol UK.
Ecology and evolution
|July 28, 2025
概括
哺乳动物在潮湿的热带地区是较暗的,支持格洛格的规则. 然而,与19世纪的观点相反,热带地区的哺乳动物并没有更鲜的颜色或图案.
科学领域:
- 动物学 动物学
- 生态生态学 生态生态学
- 进化生物学 进化生物学
背景情况:
- 格洛格尔法则预测在较低度的恒温体中,颜色会变暗.
- 19世纪的自然学家提出了热带物种明显增加的色彩.
- 哺乳动物的色彩模式需要在不同的环境中进一步调查.
研究的目的:
- 为了测试格洛格尔的规则和19世纪关于哺乳动物色彩的猜测.
- 为了研究度,湿度和温度对哺乳动物色彩的影响.
- 分析身体不同区域 (头部,干,腿部,尾部) 的色彩模式.
主要方法:
- 对2726种哺乳动物进行了基因组比较方法的应用.
- 来自照片的色彩数据与专业的哺乳动物色彩图相比较.
- 生态数据来源于开放访问数据库.
- 用于分析的贝叶斯族遗传学比较通用线性混合模型.
主要成果:
- 强有力的证据表明,在热带地区,高降水量和蒸发转化区,哺乳动物的颜色更深.
- 仅限于对温暖地区的深色或干旱地区的红色进行支持.
- 在热带哺乳动物中,没有支持增加明显的色彩,对比度或图案.
- 这些发现在阶级和秩序层面上是一致的,证实了格洛格的规则方面.
结论:
- 欧梅兰色彩在潮湿的气候中更为普遍,在哺乳动物中更为普遍,支持Gloger的规则.
- 19世纪关于热带色彩明亮的观测并不适用于哺乳动物.
- 较暗的哺乳动物颜色在宏观生态上与湿度有关.
关键词:
19世纪的自然学家们.康斯坦丁·格洛格尔 (Constantin Gloger) 是一个德国人.这是格洛格尔的规则.背景匹配与背景匹配相匹配这就是密码症 (crypsis) 的原因.生态地理规则 生态地理规则哺乳动物颜色的变化更多相关视频
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