Rapid Exploiter‐Victim Coevolution: The Race Is Not Always to the Swift

Calcagno, Vincent; Dubosclard, Marion; Mazancourt, Claire de

doi:10.1086/653665

Cited by 23 publications

(16 citation statements)

References 51 publications

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“…Our findings echo recent developments in evolutionary theory showing that complexity, defined as phenotype dimensionality234142 or overlapping ecological and evolutionary timescales43, can affect the evolutionary stability of a species and promote evolutionary diversification. A general picture is thus emerging: evolutionary diversification is more likely in complex ecological ecosystems, and the conditions permitting adaptive radiation could be much broader than previously thought.…”

Section: Discussionsupporting

confidence: 88%

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Diversity spurs diversification in ecological communities

et al. 2017

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Diversity is a fundamental, yet threatened, property of ecological systems. The idea that diversity can itself favour diversification, in an autocatalytic process, is very appealing but remains controversial. Here, we study a generalized model of ecological communities and investigate how the level of initial diversity influences the possibility of evolutionary diversification. We show that even simple models of intra- and inter-specific ecological interactions can predict a positive effect of diversity on diversification: adaptive radiations may require a threshold number of species before kicking-off. We call this phenomenon DDAR (diversity-dependent adaptive radiations) and identify mathematically two distinct pathways connecting diversity to diversification, involving character displacement and the positive diversity-productivity relationship. Our results may explain observed delays in adaptive radiations at the macroscale and diversification patterns reported in experimental microbial communities, and shed new light on the dynamics of ecological diversity, the diversity-dependence of diversification rates, and the consequences of biodiversity loss.

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Section: Discussionsupporting

confidence: 88%

“…The model encompasses most particular models of adaptive radiation that have been studied so far, and does not assume particular functional forms, allowing us to derive general insights4345. The abundance n i of a particular species i changes through time according to…”

Section: Methodsmentioning

confidence: 99%

Diversity spurs diversification in ecological communities

et al. 2017

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“…In addition to accumulating empirical evidence of coevolution [1,5], recent studies have shown that evolution can be rapid enough to affect contemporary population dynamics [6][7][8]. Understanding 'rapid coevolution' is therefore important for understanding and predicting future ecological dynamics [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Antagonistic coevolution between quantitative and Mendelian traits

Yamamichi

Ellner

2016

Proc. R. Soc. B.

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Coevolution is relentlessly creating and maintaining biodiversity and therefore has been a central topic in evolutionary biology. Previous theoretical studies have mostly considered coevolution between genetically symmetric traits (i.e. coevolution between two continuous quantitative traits or two discrete Mendelian traits). However, recent empirical evidence indicates that coevolution can occur between genetically asymmetric traits (e.g. between quantitative and Mendelian traits). We examine consequences of antagonistic coevolution mediated by a quantitative predator trait and a Mendelian prey trait, such that predation is more intense with decreased phenotypic distance between their traits (phenotype matching). This antagonistic coevolution produces a complex pattern of bifurcations with bistability (initial state dependence) in a two-dimensional model for trait coevolution. Furthermore, with eco-evolutionary dynamics (so that the trait evolution affects predator-prey population dynamics), we find that coevolution can cause rich dynamics including anti-phase cycles, in-phase cycles, chaotic dynamics and deterministic predator extinction. Predator extinction is more likely to occur when the prey trait exhibits complete dominance rather than semidominance and when the predator trait evolves very rapidly. Our study illustrates how recognizing the genetic architectures of interacting ecological traits can be essential for understanding the population and evolutionary dynamics of coevolving species.

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“…The second trait, s, determines the interaction between the herbivore and plant species (figure 1b). We use a Gaussiantype function of trait matching [31,32] and combine it with the herbivore thermal niche to form the grazing rate [33]:…”

Section: Materials and Methods (A) Modelmentioning

confidence: 99%

Evolutionary responses to environmental change: trophic interactions affect adaptation and persistence

2015

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According to recent reviews, the question of how trophic interactions may affect evolutionary responses to climate change remains unanswered. In this modelling study, we explore the evolutionary dynamics of thermal and plant -herbivore interaction traits in a warming environment. We find the herbivore usually reduces adaptation speed and persistence time of the plant by reducing biomass. However, if the plant interaction trait and thermal trait are correlated, herbivores can create different coevolutionary attractors. One attractor has a warmer plant thermal optimum, and the other a colder one compared with the environment. A warmer plant thermal strategy is given a head start under warming, the only case where herbivores can increase plant persistence under warming. Persistence time of the plant under warming is maximal at small or large thermal niche width. This study shows that considering trophic interactions is necessary and feasible for understanding how ecosystems respond to climate change.

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Rapid Exploiter‐Victim Coevolution: The Race Is Not Always to the Swift

Cited by 23 publications

References 51 publications

Diversity spurs diversification in ecological communities

Diversity spurs diversification in ecological communities

Antagonistic coevolution between quantitative and Mendelian traits

Evolutionary responses to environmental change: trophic interactions affect adaptation and persistence

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