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Biological Research

Print version ISSN 0716-9760

Abstract

CASTANHO, MARÍA J.P.; MAGNAGO, KARINE F; BASSANEZI, RODNEY C  and  GODOY, WESLEY A.C.. Fuzzy subset approach in coupled population dynamics of blowflies. Biol. Res. [online]. 2006, vol.39, n.2, pp.341-352. ISSN 0716-9760.  http://dx.doi.org/10.4067/S0716-97602006000200016.

This paper is a study on the population dynamics of blowflies employing a density-dependent, non-linear mathematical model and a coupled population formalism. In this study, we investigated the coupled population dynamics applying fuzzy subsets to model the population trajectory, analyzing demographic parameters such as fecundity, survival, and migration. The main results suggest different possibilities in terms of dynamic behavior produced by migration in coupled populations between distinct environments and the rescue effect generated by the connection between populations. It was possible to conclude that environmental heterogeneity can play an important role in blowfly metapopulation systems. The implications of these results for population dynamics of blowflies are discussed

Keywords : Fuzzy logic; blowflies; coupled populations; population biology.

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