遗传学元分析揭示了系统特定的行为类型-行为可预测性相关性
Gergely Horváth1,2, László Zsolt Garamszegi3,4, Gábor Herczeg1,2
1Department of Systematic Zoology and Ecology, Institute of Biology, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/C, 1117 Budapest, Hungary.
Royal Society open science
|September 8, 2023
概括
行为类型和可预测性在自然界中很丰富,但它们是通过适应性而不是独立地演变的. 它们的相关性各不相同,这表明这些关键动物行为组成部分的系统特异性进化约束.
科学领域:
- 行为生态学 行为生态学
- 进化生物学 进化生物学
- 动物行为 动物行为
背景情况:
- 行为可预测性 (个体内变化) 与行为类型 (平均行为) 一起被认为是个体战略的关键.
- 行为类型和可预测性之间的进化路径和相互关系在很大程度上仍未被探索.
研究的目的:
- 调查行为类型和可预测性如何演变.
- 测试独立进化的场景与由近邻因素或局部适应所限制的进化.
- 检查跨物种活动和冒险行为之间的相关性.
主要方法:
- 用44种脊椎动物和无脊椎动物的93个效果大小进行了家族遗传学元分析.
- 专注于行为类型和行为可预测性之间的关系.
- 分析了与活动和冒险行为相关的相关性.
主要成果:
- 行为类型和可预测性之间的平均相关性与零没有显著差异.
- 在相关性效应大小中观察到很高的异质性,存在积极和消极的关系.
- 总体绝对相关性很大 (Zr = 0.58),超过了零期望,并支持适应性情景.
结论:
- 在自然界中,行为类型和可预测性之间的相关性是常见的.
- 这些相关性的方向是可变的,表明了局部适应,而不是统一的近距离约束.
- 行为类型和可预测性的演变似乎以系统特定的方式受到限制.
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