Dynamic Phenotypic Clustering in Noisy Ecosystems
2011
Noise-Induced Phenotypic Clustering in Ecosystems
publication
Evidence: moderate
Author Information
Author(s): Ernebjerg Morten, Kishony Roy
Primary Institution: Harvard Medical School
Hypothesis
How does environmental noise affect species abundance patterns in ecosystems?
Conclusion
Environmental noise can create ordered patterns of species abundance, leading to dynamic clusters of similar species.
Supporting Evidence
- Introducing noise can lead to periodic variations in species correlations.
- Dynamic clusters of abundant species form along a phenotypic axis.
- Species interactions and environmental noise create complex abundance patterns.
Takeaway
In nature, when the environment changes randomly, it can help similar species group together, like friends playing together in a playground.
Methodology
A mathematical model was used to simulate competition among many species in a patchy ecosystem with fluctuating environmental conditions.
Limitations
The model assumes all patches have the same resources and does not account for demographic noise or spatial structure beyond patches.
Digital Object Identifier (DOI)
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