摘要交配系统连续体的极端状态在进化过程中最为稳定。

IF 3.1 2区环境科学与生态学 Q2 ECOLOGY

Evolution Pub Date : 2024-12-22 DOI:10.1093/evolut/qpae157

Vanessa E Luzuriaga-Aveiga

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引用次数: 0

摘要

Marcondes 和 Douvas（2024 年）对鸟类交配系统的进化提出了宏观见解。该研究表明，资源防御型一夫多妻制系的进化并不稳定，通常会过渡到一夫一妻制或灭绝。令人惊奇的是，lek一夫多妻制与一夫一妻制一样具有进化稳定性。在一夫一妻制中，雌雄两性都从合作行为中获益，平等地投资于养育子女，而在卵生系统中，雌雄两性都独立地最大限度地提高自己的适应能力：雌性投资于养育子女，雄性则提高性选择特征。

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Digest: Extremes of the mating system continuum are the most evolutionarily stable.

Marcondes and Douvas [(2024). Social mating systems in birds: Resource-defense polygamy-but not lekking-is a macroevolutionarily unstable trait. Evolution, qpae123] provide a macroscale insight into the evolution of mating systems in birds. The study shows that resource-defense polygamous lineages are evolutionarily unstable, commonly transitioning into monogamy or going extinct. Surprisingly, lek polygamy is as evolutionary stable as monogamy. While in monogamy both sexes benefit from cooperative behavior by equally investing in parental care, in lekking systems each sex maximizes their fitness independently: females invest in parental care and males enhance sexually selected traits.

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来源期刊

Evolution 环境科学-进化生物学

CiteScore

5.00

自引率

9.10%

发文量

审稿时长

3-6 weeks

期刊介绍： Evolution, published for the Society for the Study of Evolution, is the premier publication devoted to the study of organic evolution and the integration of the various fields of science concerned with evolution. The journal presents significant and original results that extend our understanding of evolutionary phenomena and processes.