Population dynamics at high Reynolds number

Details Population dynamics at high Reynolds number Population dynamics at high Reynolds number

2010-06-16

arxiv.org/abs/1006.3204v2

Physics

Fluid Dynamics

5 pages, 5 figures

Scientific paper

We study the statistical properties of population dynamics evolving in a realistic two-dimensional compressible turbulent velocity field. We show that the interplay between turbulent dynamics and population growth and saturation leads to quasi-localization and a remarkable reduction in the carrying capacity. The statistical properties of the population density are investigated and quantified via multifractal scaling analysis. We also investigate numerically the singular limit of negligibly small growth rates and delocalization of population ridges triggered by uniform advection.

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