Small-scale structure of nonlinearly interacting species advected by chaotic flows.

We study the spatial patterns formed by interacting biological populations or reacting chemicals under the influence of chaotic flows. Multiple species and nonlinear interactions are explicitly considered, as well as cases of smooth and nonsmooth forcing sources. The small-scale structure can be obtained in terms of characteristic Lyapunov exponents of the flow and of the chemical dynamics. Different kinds of morphological transitions are identified. Numerical results from a three-component plankton dynamics model support the theory, and they serve also to illustrate the influence of asymmetric couplings. (c) 2002 American Institute of Physics.

• Publication year

  2001

• Venue

  Chaos

• Publication date

  2001-11-14

• Fields of study

  Biology, Physics, Mathematics, Environmental Science, Medicine

• Identifiers
  DOI 10.1063/1.1468248arXiv nlin/0111033PMID 12779577
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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