选择伴侣的复制加速了物种范围的扩张.
Manuel Sapage1,2, Mauro Santos1,3,4, Margarida Matos1,2
1cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon , Campo Grande, Lisbon 1749-016, Portugal.
Proceedings. Biological sciences
|August 21, 2024
概括
选择伴侣的复制,一种社会学习行为,可以加速跨环境的人口扩张. 它的适应性取决于个体如何学习伴侣偏好以及目标特征的遗传基础.
科学领域:
- 进化生物学 进化生物学
- 行为生态学 行为生态学
- 人口遗传学 人口遗传学
背景情况:
- 选择伴侣复制是一种社会学习机制,女性根据其他女性的选择调整交配偏好.
- 这种行为可以影响人口动态,可能会影响分散和当地适应.
- 了解伴侣选择复制对于预测人口扩张和进化轨迹至关重要.
研究的目的:
- 为了研究如何选择伴侣的复制影响人口扩张的速度和成功跨越环境梯度.
- 为了比较不同的伴侣选择复制策略 (针对单个与相似个体) 和特征确定 (仅基因型与基因型与环境相互作用) 的影响.
主要方法:
- 基于代理的建模被用来模拟人口在环境梯度上扩张.
- 实施了两种选择伴侣的复制策略:针对单独的雄性或针对类似的雄性.
- 男人特征的遗传基础是多样化的:仅由基因型决定或受到基因型-环境相互作用的影响.
主要成果:
- 当特征仅由基因型决定时,女性准类似男性的种群扩大得更快,从而增加了潜在复制者的数量.
- 当特征涉及基因型-环境相互作用时,女性向单独男性的种群显示出更高的分散和更快的扩张,但潜在的复制者更少.
- 选择伴侣的复制可以加速人口的传播,但其适应性价值因使用的背景和信息而异.
结论:
- 选择伴侣的复制可以成为加速范围扩张的重要因素.
- 选择伴侣复制的特定策略和首选特征的遗传结构对人口扩张动态和适应性产生了关键的影响.
- 这些发现突出了社会学习,遗传学和环境因素在塑造生态和进化过程中的复杂相互作用.
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