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Neotropical Entomology

versión impresa ISSN 1519-566X

Resumen

SERRA, H; COSTA, Mis  y  GODOY, Wac. Allee effect in exotic and introduced blowflies. Neotrop. entomol. [online]. 2011, vol.40, n.5, pp. 519-528. ISSN 1519-566X.  http://dx.doi.org/10.1590/S1519-566X2011000500001.

We combined two models to investigate the theoretical dynamics of five exotic and native blowfly species in response to the Allee effect by using demographic parameters estimated from experimental populations. Most of the results suggest stabilization of dynamic behavior in response to the Allee effect. However, the results depended on the magnitude of the demographic parameters of each species, and also indicated chaotic fluctuations and limit cycles. The results are discussed in the context of larval aggregation, an important biological process for blowflies, which naturally incorporates the Allee effect.

Palabras clave : Calliphoridae; ecological model; population dynamics.

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