Interplay between turing mechanisms can increase pattern diversity

Shai Kinast, Yuval R. Zelnik, Golan Bel, Ehud Meron

Research output: Contribution to journalArticlepeer-review

Abstract

We use the context of dryland vegetation to study a general problem of complex pattern-forming systems: multiple pattern-forming instabilities that are driven by distinct mechanisms but share the same spectral properties. We find that the co-occurrence of two Turing instabilities when the driving mechanisms counteract each other in some region of the parameter space results in the growth of a single mode rather than two interacting modes. The interplay between the two mechanisms compensates for the simpler dynamics of a single mode by inducing a wider variety of patterns, which implies higher biodiversity in dryland ecosystems.

Original languageAmerican English
Article number078701
JournalPhysical Review Letters
Volume112
Issue number7
DOIs
StatePublished - 20 Feb 2014

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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