ArticleEcology letters2016
The effects of asymmetric competition on the life history of Trinidadian guppies.
Article in Ecology letters, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Second-order elasticities for ecology and evolution: Unraveling nonlinear fitness responses to perturbations.Ecology · 2026Article
- Freshwater fish condition responses to hydrological disturbance are species- and scale dependent.Journal of fish biology · 2025Article
- Coexistence mechanisms and individual trophic niche variation between functionally analogous non-native and native carp species.Scientific reports · 2024Article
- Copepod life history evolution under high- and low-food regimes.Evolutionary applications · 2023Article
- Novel Husbandry Practices Result in Rapid Rates of Growth and Sexual Maturation Without Impacting Adult Behavior in the Blind Mexican Cavefish.Zebrafish · 2023Article
- Pathways to global-change effects on biodiversity: new opportunities for dynamically forecasting demography and species interactions.Proceedings. Biological sciences · 2023Review
- Decomposing phenotypic skew and its effects on the predicted response to strong selection.Nature ecology & evolution · 2022Article
- Plasticity is a locally adapted trait with consequences for ecological dynamics in novel environments.Ecology and evolution · 2021Article
- The experimental range extension of guppies (Poecilia reticulata) influences the metabolic activity of tropical streams.Oecologia · 2021Article
- Urbanization can increase the invasive potential of alien species.The Journal of animal ecology · 2020Article
- Metabolic rate, context-dependent selection, and the competition-colonization trade-off.Evolution letters · 2020Article
- Individual differences determine the strength of ecological interactions.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Evolution of size-dependent intraspecific competition predicts body size scaling of metabolic rate.Functional ecology · 2019Article
- Selection of trilateral continuums of life history strategies under food web interactions.Scientific reports · 2018Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The effects of asymmetric interactions on population dynamics has been widely investigated, but there has been little work aimed at understanding how life history parameters like generation time, life expectancy and the variance in lifetime reproductive success are impacted by different types of competition. We develop a new framework for incorporating trait-mediated density-dependence into size-structured models and use Trinidadian guppies to show how different types of competitive interactions impact life history parameters. Our results show the degree of symmetry in competitive interactions can have dramatic effects on the speed of the life history. For some vital rates, shifting the competitive superiority from small to large individuals resulted in a doubling of the generation time. Such large influences of competitive symmetry on the timescale of demographic processes, and hence evolution, highlights the interwoven nature of ecological and evolutionary processes and the importance of density-dependence in understanding eco-evolutionary dynamics.
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