Factors promoting or inhibiting Turing instability in spatially extended prey-predator systems

Fasani S & Rinaldi S (2011). Factors promoting or inhibiting Turing instability in spatially extended prey-predator systems. Ecological Modelling 222 (18): 3449-3452. DOI:10.1016/j.ecolmodel.2011.07.002.

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Abstract

The emergence of inhomogeneities in the distributions of the abundances of spatially extended prey-predator systems is investigated. The method of analysis, based on the notion of diffusive (Turing) instability, is systematically applied to nine different models obtained by introducing an extra-factor into the standard Rosenzweig-MacArthur prey-predator model. The analysis confirms that the standard model is critical in the context of Turing instability, and that the introduction of any small amount of the extra-factor can easily promote or inhibit the emergence of spatial patterns.

Item Type: Article
Uncontrolled Keywords: Diffusive instability; Dispersal; Prey-predator model; Spatial pattern; Turing instability
Research Programs: Evolution and Ecology (EEP)
Bibliographic Reference: Ecological Modelling; 222(18):3449-3452 (24 September 2011) (Published online 28 July 2011)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:45
Last Modified: 14 Sep 2016 10:02
URI: http://pure.iiasa.ac.at/9565

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