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Updated: Mar 19, 2026
06:48
The HoneyComb Paradigm for Research on Collective Human Behavior
Published on: January 19, 2019
9.9K
Community-level cohesion without cooperation.
Mikhail Tikhonov1,2,3
1Center of Mathematical Sciences and Applications, Harvard University, Cambridge, United States.
Elife
|June 17, 2016
Summary
Community coalescence, or encounters between ecological communities, significantly impacts ecosystem structure. A species
Area of Science:
- Theoretical Ecology
- Community Ecology
- Evolutionary Biology
Background:
- Ecological communities frequently encounter and merge ('coalescence'), influencing ecosystem dynamics.
- MacArthur's competitive coexistence model provides a foundation for understanding inter-community interactions.
Purpose of the Study:
- To investigate community-level competition during coalescence events using a theoretical model.
- To identify key predictors of species survival following community mergers.
Main Methods:
- Development of a minimal theoretical model analyzing community coalescence.
- Comparison of community-level fitness versus intrinsic species performance as predictors of survival.
Main Results:
- Species survival during coalescence is better predicted by the native community's overall fitness than by individual species traits.
- A macroscopic perspective is formalized, equating diverse communities to single organisms with varying gene expression.
Conclusions:
- Effective community cohesion arises from resource partitioning and does not require cooperation.
- This phenomenon is likely widespread, particularly in microbial ecosystems, even if strict multicellularity criteria are not met.
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