Excitable dynamics and coral reef formation: A simple model of macro-scale structure development
Álvarez-Alegría, Miguel; Moreno-Spiegelberg, Pablo; Matias, Manuel A; Gomila, Damià
Physical Review Research 7, 023196 (1-15) (2025)
Physical Review Research 7, 023196 (1-15) (2025)
In this work, we demonstrate that key aspects of the dynamical behavior of coral reefs at the macro scale, which evolve over timescales of centuries, can be accurately described using a model that integrates a few fundamental ecological and physical mechanisms. The model displays excitable behavior generating, among other dynamical regimes, traveling pulses and waves, which result in the formation of spatial structures resembling those observed in real reefs, without involving a classical pattern formation mechanism, like the Turing scenario. We conduct an in-depth exploration of the bifurcations exhibited by the model as a function of the two most ecologically significant parameters. This establishes the groundwork for using the presented model as a tool to explain coral reef formation.
Featured in Physics: https://physics.aps.org/articles/v18/s46
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