ArticleScientific reports2021
Body size dependent dispersal influences stability in heterogeneous metacommunities.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Shaping research in marine functional connectivity for integrated and effective marine science and management.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Extreme Droughts Push Heterotrophic Functions Above Baseline Levels in a Neotropical Ecosystem.Global change biology · 2026Article
- Functional motifs in food webs and networks.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Integrating theory and empirical patterns: Fish body size distributions, life history traits, and environmental flows in streams.Science advances · 2025Article
- Spatial resource heterogeneity stabilizes local and regional predator-prey dynamics in ecologically realistic networks.Ecology · 2025Article
- Counteracting Cascades Challenge the Heterogeneity-Stability Relationship.Ecology letters · 2025Article
- Species loss in key habitats accelerates regional food web disruption.Communications biology · 2025Article
- Interspecific dispersal constraints suppress pattern formation in metacommunities.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- Article
- Sharp thresholds limit the benefit of defector avoidance in cooperation on networks.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Generalized Structural Kinetic Modeling: A Survey and Guide.Frontiers in molecular biosciences · 2022Review
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2 authors.
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Abstract
Body size affects key biological processes across the tree of life, with particular importance for food web dynamics and stability. Traits influencing movement capabilities depend strongly on body size, yet the effects of allometrically-structured dispersal on food web stability are less well understood than other demographic processes. Here we study the stability properties of spatially-arranged model food webs in which larger bodied species occupy higher trophic positions, while species' body sizes also determine the rates at which they traverse spatial networks of heterogeneous habitat patches. Our analysis shows an apparent stabilizing effect of positive dispersal rate scaling with body size compared to negative scaling relationships or uniform dispersal. However, as the global coupling strength among patches increases, the benefits of positive body size-dispersal scaling disappear. A permutational analysis shows that breaking allometric dispersal hierarchies while preserving dispersal rate distributions rarely alters qualitative aspects of metacommunity stability. Taken together, these results suggest that the oft-predicted stabilizing effects of large mobile predators may, for some dimensions of ecological stability, be attributed to increased patch coupling per se, and not necessarily coupling by top trophic levels in particular.
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