Species coexist more easily if reinforcement is based on habitat preferences than on species recognition

Kyogoku, Daisuke

doi:10.1111/1365-2656.13321

Cited by 20 publications

(46 citation statements)

References 78 publications

(153 reference statements)

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“…Our results further indicate that reproductive character displacement can be promoted by ecological character displacement when there is a positive trait covariance as previous studies pointed out (Konuma and Chiba 2007, Kyogoku and Kokko 2020). This is similar to the situation of magic traits in the context of speciation processes, where ecological adaptation and assortative mating are realized by a single trait or some genetic linkages (Servedio et al 2011).…”

Section: Discussionsupporting

confidence: 90%

“…pointed out (Konuma andChiba 2007, Kyogoku andKokko 2020). This is similar to the situation of magic traits in the context of speciation processes, where ecological adaptation and assortative mating are realized by a single trait or some genetic linkages (Servedio et al 2011).…”

Section: Discussionmentioning

confidence: 64%

“…This is because reproductive interference produces positive frequency-dependence in community dynamics (Kuno 1992, Yoshimura and Clark 1994, Kishi and Nakazawa 2013, Schreiber et al 2019) and trait divergence needs to occur before population decline. Furthermore, extinction becomes less likely when ecological and reproductive character displacement occur simultaneously by a positive genetic covariance between ecological and reproductive traits (Konuma and Chiba 2007, Kyogoku and Kokko 2020) as like a magic trait, a trait subject to divergent selection and contributing to assortative mating, promotes speciation (Servedio et al 2011). Our results suggest that reproductive character displacement may be rarer than ecological character displacement, but it may be promoted by ecological trait divergence.…”

Section: Introductionmentioning

confidence: 99%

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How does the magnitude of genetic variation affect eco-evolutionary dynamics in character displacement?

Morita

Yamamichi

2021

Preprint

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While previous studies on character displacement tended to focus on trait divergence and convergence as a result of long-term evolution, recent studies suggest that character displacement can be a special case of evolutionary rescue, where rapid evolution prevents population extinction by weakening negative interspecific interactions. When the magnitude of genetic variation is small, however, the speed of trait divergence can be slow and populations may go extinct before the completion of character displacement. Here we analyzed a simple model to examine how the magnitude of genetic variation affects evolutionary rescue via ecological and reproductive character displacement that weakens resource competition and reproductive interference, respectively. We found that the large additive genetic variance is more important for preventing extinction in reproductive character displacement than in ecological character displacement. This is because reproductive interference produces a locally stable coexistence equilibrium with positive frequency-dependence (i.e., minority disadvantage) whereas ecological character displacement results in a globally stable coexistence equilibrium. Furthermore, population extinction becomes less likely when ecological and reproductive character displacement occur simultaneously due to positive covariance between ecological and reproductive traits. Our results suggest that while reproductive character displacement may be rarer than ecological character displacement, it is more likely to occur when there exists positive trait covariance, such as the case of a magic trait in reinforcement of speciation processes.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 64%

Section: Introductionmentioning

confidence: 99%

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How does the magnitude of genetic variation affect eco-evolutionary dynamics in character displacement?

Morita

Yamamichi

2021

Preprint

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“…Although it was previously thought that hybridization occurred exclusively between closely related species (Dasmahapatra et al 2007), it is now recognized that hybridization occurs between deeply divergent lineages (Jasso‐Martínez et al 2018, Joseph et al 2019, Tea et al 2020). Questions remain about the processes that facilitate the events; for example does hybridization occur because species live in sympatry or does hybridization occur because species exhibit ecological or habitat similarities (Willis et al 2014, Wood et al 2016, Kyogoku and Kokko 2019)? Examining patterns of hybridization within areas of sympatry will assist in determining the interplay between hybridization and ecological factors.…”

Section: Introductionmentioning

confidence: 99%

Do phylogeny and habitat influence admixture among four North American chickadee (family: Paridae) species?

Graham

Gazeley

Otter

et al. 2021

Journal of Avian Biology

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Hybridization is an important aspect of speciation, yet questions remain about the ecological and environmental factors that influence hybridization among wild populations. We used microsatellite genotyping data and collected land cover and environmental data for four North American chickadee species: black‐capped Poecile atricapillus, mountain P. gambeli, chestnut‐backed P. rufescens and boreal P. hudsonicus chickadees. Combining these datasets, we sought to examine whether there is evidence of admixture between four widely distributed North American chickadee species; whether admixture takes place more often between more closely related species pairs or between species pairs with more similar ecological preferences; and whether certain habitat types have higher rates of admixture than others. We detected admixture for five of the six species pairs analyzed (chestnut‐backed–mountain chickadee pair showed no evidence of admixture), and found rates of admixture varied geographically, and within taxa pairs. Admixture was higher among less closely related species than more closely related species, although habitat similarity was not a significant predictor. Finally, rates of admixture were higher in urban parkland habitats than deciduous, mixed or coniferous forest habitats. Our work indicates admixture occurs frequently among North American parids, and habitat and environmental variation may play an important role in the frequency and geographic distribution of hybridization.

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“…Therefore, understanding the mechanisms that restrict local coexistence is of fundamental importance in ecology and evolution. Reproductive interference, defined as any kind of interspecific sexual interaction that reduces the fitness of individuals (Gröning & Hochkirch, 2008), is one mechanism that can drive species exclusion at local scale and subsequent niche partitioning among species (Kyogoku & Kokko, 2020). Reproductive interference has been theoretically demonstrated to hamper species coexistence at local scale even in ecologically neutral species with similar growth rates and abilities to compete for shared resources (Crowder et al., 2011; Kawatsu, 2013; Konuma & Chiba, 2007; Kuno, 1992; Kyogoku & Sota, 2017; Nishida et al., 2015).…”

Section: Introductionmentioning

confidence: 99%

Reproductive interference hampers species coexistence despite conspecific sperm precedence

Iritani

Noriyuki

2021

Ecology and Evolution

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Negative interspecific mating interactions, known as reproductive interference, can hamper species coexistence in a local patch and promote niche partitioning or geographical segregation of closely related species. Conspecific sperm precedence (CSP), which occurs when females that have mated with both conspecific and heterospecific males preferentially use conspecific sperm for fertilization, might contribute to species coexistence by mitigating the costs of interspecific mating and hybridization. We discussed whether two species exhibiting CSP can coexist in a local environment in the presence of reproductive interference. First, using a behaviorally explicit mathematical model, we demonstrated that two species characterized by negative mating interactions are unlikely to coexist because the costs of reproductive interference, such as loss of mating opportunity with conspecific partners, are inevitably incurred when individuals of both species are present. Second, we experimentally examined differences in mating activity and preference in two Harmonia ladybird species known to exhibit CSP. These behavioral differences may lead to local extinction of H. yedoensis because of reproductive interference by H. axyridis. This prediction is consistent with field observations that H. axyridis uses various food sources and habitats whereas H. yedoensis is confined to a less preferred prey item and a pine tree habitat. Finally, by a comparative approach, we observed that niche partitioning or parapatric distribution, but not sympatric coexistence in the same habitat, is maintained between species with CSP belonging to a wide range of taxa, including vertebrates and invertebrates living in aquatic or terrestrial environments. Taken together, it is possible that reproductive interference may destabilize local coexistence even in closely related species that exhibit CSP.

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Species coexist more easily if reinforcement is based on habitat preferences than on species recognition

Cited by 20 publications

References 78 publications

How does the magnitude of genetic variation affect eco-evolutionary dynamics in character displacement?

How does the magnitude of genetic variation affect eco-evolutionary dynamics in character displacement?

Do phylogeny and habitat influence admixture among four North American chickadee (family: Paridae) species?

Reproductive interference hampers species coexistence despite conspecific sperm precedence

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