Multitrophic Higher-Order Interactions Modulate Species Persistence

Buche, Lisa; Bartomeus, Ignasi; Godoy, Oscar

doi:10.1086/729222

Cited by 4 publications

References 74 publications

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Multitrophic Higher-Order Interactions Modulate Species Persistence

Buche,

Bartomeus,

Godoy

2024

The American Naturalist

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Statement of authorship:IB and OG designed the study and collected data. LB performed modeling work and analyzed the data with inputs from OG and IG. LB wrote the first draft of the manuscript, and all authors contributed substantially to revisions. Data accessibility statement: Data have been deposited at Zenodo (https: //zenodo.org/record/4579645#.YXaCYNlBw1I). Upon acceptance, all model code will be available on Zenodo, with the DOI included in the manuscript.

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Multitrophic Higher-Order Interactions Modulate Species Persistence

Buche,

Bartomeus,

Godoy

2024

The American Naturalist

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Time-dependent Interaction Modification Generated from Plant-soil Feedback

Zou,

Yan,

Rudolf

2023

Preprint

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Pairwise interactions between species can be modified by other community members, leading to emergent dynamics that are contingent on the composition of a community. Despite the prevalence of such higher-order interactions, little is known about how they are linked to the timing and order of species’ arrival. Yet, these temporal patterns typically affect their pairwise interactions (i.e., priority effects) and thus could also modify higher-order interactions in multispecies communities. Here, we first develop a general framework of time-dependent interaction modifications by building on pairwise priority effects. By applying this framework to data generated by a mechanistic plant-soil feedback model, we show that how pairwise interactions are modified by a third plant depends on the relative sequence and spacing of plants’ germination phenology. This time-dependence of interaction modifications emerges from concurrent changes in plant and microbe populations and they become stronger with a higher overlap between plants’ associated microbiomes. We discuss how processes in the plant-soil feedback model represent a wide range of mechanisms applicable in other systems from which similar time-dependent interaction modifications can emerge. Our results highlight the need to integrate temporal shifts of species interactions to predict the emergent dynamics of natural communities.

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Cooperation maximizes biodiversity

Godoy,

Soler-Toscano,

Portillo

et al. 2024

Preprint

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Cooperation, the mutual benefit that individuals of different species obtain when they interact together, is ubiquitous in nature. Despite their importance, most of all current ecological theories have been formalized focusing on negative interactions such as competition or predation. The role of cooperation, or other types of positive interactions including facilitation and mutualism, has not been fully addressed, or, if so, always in combination with negative interactions. This fact limits our understanding of the unique features by which cooperation as opposed to competition promotes biodiversity. To address this gap, we introduce here cooperation into structural stability, a general framework to understand how species interactions and environmental variability determine the long-term persistence of species within communities. Compared to a pure competitive case, cooperation promotes three distinctive features. First, cooperation increases the opportunities for species to coexist. This feature increases the persistence of species with contrasted phylogenetic, functional, and demographic strategies that the environment would otherwise filter. Second, cooperation creates intertwined biodiversity where the existence of some species begets the presence of others. Third, cooperation promotes multistability by changing the dynamics of community assembly due to variations in environmental conditions. In conclusion, we present a fully operational framework to understand the unique ecological roles of cooperation in nature. It indicates that cooperation as opposed to competition maximizes the maintenance of biodiversity.

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Multitrophic Higher-Order Interactions Modulate Species Persistence

Cited by 4 publications

References 74 publications

Multitrophic Higher-Order Interactions Modulate Species Persistence

Multitrophic Higher-Order Interactions Modulate Species Persistence

Time-dependent Interaction Modification Generated from Plant-soil Feedback

Cooperation maximizes biodiversity

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