ArticleProceedings. Biological sciences2020
Environmental fluctuations can promote evolutionary rescue in high-extinction-risk scenarios.
Article in Proceedings. Biological sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- The Interplay of Biotic and Abiotic Factors in Shaping Genetic Variation atEcology and evolution · 2025Article
- Maintaining Local Adaptation Is Key for Evolutionary Rescue and Long-Term Persistence of Populations Experiencing Habitat Loss and a Changing Environment.Evolutionary applications · 2025Article
- Impacts of limits to adaptation on population and community persistence in a changing environment.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Evolution fails to rescue a population in an increasingly variable environment.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- How density dependence, genetic erosion and the extinction vortex impact evolutionary rescue.Proceedings. Biological sciences · 2023Article
- Evolutionary rescue in a fluctuating environment: periodic versus quasi-periodic environmental changes.Proceedings. Biological sciences · 2023Article
- Temporal variation may have diverse impacts on range limits.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
- A sink host allows a specialist herbivore to persist in a seasonal source.Proceedings. Biological sciences · 2021Article
- Evolutionary Rescue as a Mechanism Allowing a Clonal Grass to Adapt to Novel Climates.Frontiers in plant science · 2021Article
- Environmental fluctuations can promote evolutionary rescue in high-extinction-risk scenarios.Proceedings. Biological sciences · 2020Article
Corrections and comments
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Authors and funding
4 authors.
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Abstract
Substantial environmental change can force a population onto a path towards extinction, but under some conditions, adaptation by natural selection can rescue the population and allow it to persist. This process, known as evolutionary rescue, is believed to be less likely to occur with greater magnitudes of random environmental fluctuations because environmental variation decreases expected population size, increases variance in population size and increases evolutionary lag. However, previous studies of evolutionary rescue in fluctuating environments have only considered scenarios in which evolutionary rescue was likely to occur. We extend these studies to assess how baseline extinction risk (which we manipulated via changes in the initial population size, degree of environmental change or mutation rate) influences the effects of environmental variation on evolutionary rescue following an abrupt environmental change. Using a combination of analytical models and stochastic simulations, we show that autocorrelated environmental variation hinders evolutionary rescue in low-extinction-risk scenarios but facilitates rescue in high-risk scenarios. In these high-risk cases, the chance of a run of good years counteracts the otherwise negative effects of environmental variation on evolutionary demography. These findings can inform the development of effective conservation practices that consider evolutionary responses to abrupt environmental changes.
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