影响两种同源的黑猩猩物种种群间颜色模式变化的遗传和行为因素
Tammy Keren-Rotem1, Devon C Main2, Adi Barocas3,4
1Ecology Department, Israel Nature and Parks Authority, Jerusalem, Israel.
Royal Society open science
|January 18, 2024
概括
黑猩猩的种群间颜色模式变化受一个物种的雄性因距离和交配策略的隔离的影响,但在另一个物种中只有因距离的隔离. 环境颜色没有起到作用.
科学领域:
- * 动物学 动物学
- * 进化生物学 进化生物学
- * 动物行为
背景情况:
- * 同源的黑物种表现出相似的生命历史和快速的,取决于环境的颜色模式变化.
- *这些物种的颜色模式在广的地理范围内往往有很大差异.
- *了解这种变异的驱动因素对于进化和行为研究至关重要.
研究的目的:
- * 测试解释混色图案中种群间变化的假设.
- * 通过距离,交配策略和环境颜色来调查隔离的作用.
- * 为了比较两个密切相关的物种之间驱动色彩模式变化的因素.
主要方法:
- * 进行了行为实地试验,以记录黑的颜色模式.
- * 用一个深度神经网络算法来分析颜色模式.
- * 冗余分析用于将遗传,光谱和行为数据与颜色模式距离相关联.
主要成果:
- *通过距离和替代交配策略的隔离显著预测了 *Chamaeleo chamaeleon*雄性中的颜色模式变化.
- 在Chamaeleo dilepis中,变异主要是由距离的隔离解释的,没有证据表明有替代的交配策略.
- *环境颜色对两种物种的种群间颜色模式变化没有影响,不论性别或背景.
结论:
- * 种群间的色彩模式变化是由两种研究的黑猩猩物种的不同因素驱动的.
- * *Chamaeleo chamaeleon*变异与地理隔离和交配策略有关.
- * *Chamaeleo dilepis*变异主要受到地理隔离的影响,这表明不同的选择压力维持了这些模式.
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