ArticleProceedings of the National Academy of Sciences of the United States of America2024
Coexistence of many species under a random competition-colonization trade-off.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Dispersal diversity buffers species vulnerability to local extinction.Nature ecology & evolution · 2026Article
- Competition-colonization trade-off can explain any observed abundances and assumed competitive hierarchies.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Measuring competition coefficients in an ant community: Implications for intraspecific adaptation load.Ecology · 2025Article
- Applying ecological principles to microbiome engineering.Nature microbiology · 2025Review
- Multispecies Coexistence Emerges From Pairwise Exclusions in Communities With Competitive Hierarchy.Ecology letters · 2025Article
- A unifying principle for multispecies coexistence under resource fluctuations.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Paradox of the Sub-Plankton: Plausible Mechanisms and Open Problems Underlying Strain-Level Diversity in Microbial Communities.Environmental microbiology · 2025Review
- Integrating conspecifics negative density dependence, successional and evolutionary dynamics: Towards a theory of forest diversity.Communications biology · 2024Article
- Coexistence of many species under a random competition-colonization trade-off.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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Authors and funding
5 authors.
Funding
Abstract
The competition-colonization (CC) trade-off is a well-studied coexistence mechanism for metacommunities. In this setting, it is believed that the coexistence of all species requires their traits to satisfy restrictive conditions limiting their similarity. To investigate whether diverse metacommunities can assemble in a CC trade-off model, we study their assembly from a probabilistic perspective. From a pool of species with parameters (corresponding to traits) sampled at random, we compute the probability that any number of species coexist and characterize the set of species that emerges through assembly. Remarkably, almost exactly half of the species in a large pool typically coexist, with no saturation as the size of the pool grows, and with little dependence on the underlying distribution of traits. Through a mix of analytical results and simulations, we show that this unlimited niche packing emerges as assembly actively moves communities toward overdispersed configurations in niche space. Our findings also apply to a realistic assembly scenario where species invade one at a time from a fixed regional pool. When diversity arises de novo in the metacommunity, richness still grows without bound, but more slowly. Together, our results suggest that the CC trade-off can support the robust emergence of diverse communities, even when coexistence of the full species pool is exceedingly unlikely.
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Registered trials
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