生物扩散
寄生蜂
寄主(生物学)
生态学
生物
动力学(音乐)
人口
物理
人口学
社会学
声学
作者
Lucas A. Nell,Miriam Kishinevsky,Michael J. Bosch,C. Sinclair,Kumar Mr Bhat,Nathan Ernst,Hamze Boulaleh,Kerry M. Oliver,Anthony R. Ives
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2024-03-15
卷期号:383 (6688): 1240-1244
标识
DOI:10.1126/science.adg4602
摘要
When ecological and evolutionary dynamics occur on comparable timescales, persistence of the ensuing eco-evolutionary dynamics requires both ecological and evolutionary stability. This unites key questions in ecology and evolution: How do species coexist, and what maintains genetic variation in a population? In this work, we investigated a host-parasitoid system in which pea aphid hosts rapidly evolve resistance to Aphidius ervi parasitoids. Field data and mathematical simulations showed that heterogeneity in parasitoid dispersal can generate variation in parasitism-mediated selection on hosts through time and space. Experiments showed how evolutionary trade-offs plus moderate host dispersal across this selection mosaic cause host-parasitoid coexistence and maintenance of genetic variation in host resistance. Our results show how dispersal can stabilize both the ecological and evolutionary components of eco-evolutionary dynamics.
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