ArticleEvolutionary applications2016
Gene flow from an adaptively divergent source causes rescue through genetic and demographic factors in two wild populations of Trinidadian guppies.
Article in Evolutionary applications, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 82 citations in OpenAlex.
- Polygenic and monogenic adaptation drive evolutionary rescue at different magnitudes of environmental change.The Journal of heredity · 2026Article
- Kokanee-sockeye salmon hybridization predominantly leads to a resident life history with outcomes for a long-term reintroduction program.The Journal of heredity · 2026Article
- Population genomics of yellow-eyed penguins uncovers subspecies divergence and candidate genes linked to respiratory distress syndrome.Nature ecology & evolution · 2026Article
- Genetic Rescue: Latest Advances and Applications.Evolutionary applications · 2026Article
- Genetic Variation and Metapopulation Structure Inform Recovery Goals in a Threatened Species.Genes · 2025Article
- Genomic Insights Into Inbreeding and Adaptive Divergence of Trout Populations to Inform Genetic Rescue.Evolutionary applications · 2025Article
- Sexual selection matters in genetic rescue, but productivity benefits fade over time: a multi-generation experiment to inform conservation.Proceedings. Biological sciences · 2025Article
- Article
- Limited Migration From Physiological Refugia Constrains the Rescue of Native Gastropods Facing an Invasive Predator.Evolutionary applications · 2024Article
- The evolutionary dynamics of local adaptations under genetic rescue is determined by mutational load and polygenicity.The Journal of heredity · 2024Article
- Demographic consequences of an extreme heat wave are mitigated by spatial heterogeneity in an annual monkeyflower.Ecology and evolution · 2023Article
- Genetic rescue remains underused for aiding recovery of federally listed vertebrates in the United States.The Journal of heredity · 2023Article
- Is now the time? Review of genetic rescue as a conservation tool for brook trout.Ecology and evolution · 2023Article
- Genomic Consequences of and Demographic Response to Pervasive Hybridization Over Time in Climate-Sensitive Pikas.Molecular biology and evolution · 2023Article
- Comparative genetic diversity and structure ofJournal of genetics · 2023Article
- Genomic divergence, local adaptation, and complex demographic history may inform management of a popular sportfish species complex.Ecology and evolution · 2022Article
- Genomics-informed delineation of conservation units in a desert amphibian.Molecular ecology · 2022Article
- Population genomic monitoring provides insight into conservation status but no correlation with demographic estimates of extinction risk in a threatened trout.Evolutionary applications · 2022Article
- Fitness consequences of targeted gene flow to counter impacts of drying climates on terrestrial-breeding frogs.Communications biology · 2021Article
- Population genomics reveals lack of greater white-fronted introgression into the Swedish lesser white-fronted goose.Scientific reports · 2020Article
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Authors and funding
11 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Genetic rescue, an increase in population growth owing to the infusion of new alleles, can aid the persistence of small populations. Its use as a management tool is limited by a lack of empirical data geared toward predicting effects of gene flow on local adaptation and demography. Experimental translocations provide an ideal opportunity to monitor the demographic consequences of gene flow. In this study we take advantage of two experimental introductions of Trinidadian guppies to test the effects of gene flow on downstream native populations. We individually marked guppies from the native populations to monitor population dynamics for 3 months before and 26 months after gene flow. We genotyped all individuals caught during the first 17 months at microsatellite loci to classify individuals by their genetic ancestry: native, immigrant, F1 hybrid, F2 hybrid, or backcross. Our study documents a combination of demographic and genetic rescue over multiple generations under fully natural conditions. Within both recipient populations, we found substantial and long-term increases in population size that could be attributed to high survival and recruitment caused by immigration and gene flow from the introduction sites. Our results suggest that low levels of gene flow, even from a divergent ecotype, can provide a substantial demographic boost to small populations, which may allow them to withstand environmental stochasticity.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.