Detecting nonlinear dynamics in spatio-temporal systems , examples from ecological models

  title={Detecting nonlinear dynamics in spatio-temporal systems , examples from ecological models},
  author={Sarah Little and S. P. Ellner and Mercedes Pascual and Michael Neubert and D. Kaplan and Timothy Sauer and Hal Caswell and Andy Solow},
Mathematical models of marine populations exhibit chaotic dynamics. However, we hypothesize that in moving water, Eulerian sampling of spatially heterogeneous populations may obscure any deterministic signal beyond the resolving capabilities of presently available nonlinear signal processing techniques. To examine this hypothesis we created two spatio-temporal models of population dynamics. To caricature actual ocean sampling limitations, we sampled the model output in two ways, random walks to… CONTINUE READING
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