2019
DOI: 10.1111/oik.06002
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Impacts of consumer–resource interaction transitions on persistence and long‐term interaction outcomes of random ecological networks

Abstract: Despite the prevalence of context‐dependent interaction transitions in ecological systems, their impacts on persistence and interaction diversity have scarcely been explored in complex ecological networks. By using multispecies bi‐directional and unidirectional consumer–resource models, representing a continuum of interaction transitions (sign change of interaction outcomes), we investigated the effects of structural interaction transitions on persistence (the fraction of remaining species) and long‐term inter… Show more

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Cited by 5 publications
(4 citation statements)
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References 56 publications
(113 reference statements)
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“…The effect of dual interactions on the stability of large ecological communities has never been explicitly shown in previous theoretical studies owing to the lack of a systematic exploration of the effects of dual interactions themselves on community stability. A recent theoretical work examined the effects of a consumer-resource dual interaction on community dynamics (Yan & Zhang, 2019). The type of interaction that most contributes to community stability is of specific interest.…”
Section: Discussionmentioning
confidence: 99%
“…The effect of dual interactions on the stability of large ecological communities has never been explicitly shown in previous theoretical studies owing to the lack of a systematic exploration of the effects of dual interactions themselves on community stability. A recent theoretical work examined the effects of a consumer-resource dual interaction on community dynamics (Yan & Zhang, 2019). The type of interaction that most contributes to community stability is of specific interest.…”
Section: Discussionmentioning
confidence: 99%
“…For example, changes in the sign/magnitude of interaction effects are expected in various relationships, such as competition and mutualism, as well as in predator-prey relationships, implying the prevalence of context-and density-dependent interactions in nature [44,45]. Recent theoretical studies suggest that the density dependence where the interaction effect weakens with the density of interaction recipient stabilizes the community dynamics in harmful and beneficial interaction networks [46][47][48]. Thus, applying the LMDr to the time series of natural multi-species community data may elucidate how density dependence plays a role in the persistence of complex ecosystems.…”
Section: Discussionmentioning
confidence: 99%
“…Scaling up from pairwise interactions to food webs and interaction networks has been done by extending consumer‐resource models to a multi‐species level (Hale, Valdovinos & Martinez, 2020; Lockwood et al, 1997; Montoya & Solé, 2003; Pimm, 1980; Schneider et al, 2016; Valdovinos et al, 2010; Williams & Martinez, 2000, 2004, Yan & Zhang, 2019). Under this idea, two‐species models are used as building blocks of more complex systems involving many interacting species (Martinez, 2020; Yodzis & Innes, 1992).…”
Section: Discussionmentioning
confidence: 99%