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Population Dynamics At High Reynolds Number

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 27 Sep 2010Embargo end date: 01 Jan 2010 Italy, Netherlands, United States Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 105 (issn: 0031-9007, eissn: 1079-7114,

Authors: Perlekar, P; BENZI, ROBERTO; Nelson, DR; Toschi, F.;

doi: 10.1103/physrevlett.105.144501 , 10.48550/arxiv.1006.3204

pmid: 21230833

arXiv: http://arxiv.org/abs/1006.3204

handle: 2108/18832

Population Dynamics At High Reynolds Number

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Abstract

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.

5 pages, 5 figures

Countries

Italy, Netherlands, United States

Related Organizations

Eindhoven University of Technology
Netherlands
Harvard University
United States
Technical University Eindhoven
Netherlands
University of Rome Tor Vergata
Italy

Keywords

chaotic dynamics, Turbulence; Numerical Simulations; Population Dynamics, Population Dynamics, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, fluid dynamics, Physics - Fluid Dynamics, Nonlinear Sciences - Chaotic Dynamics, 530, 510, Turbulence, MODELLI E METODI MATEMATICI, Settore FIS/02 - FISICA TEORICA, Chaotic Dynamics (nlin.CD), Numerical Simulation

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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
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Top 10%

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