Pre-encounter versus post-encounter inducible defenses in predator–prey model systems

Rodrigo Ramos-Jiliberto, Ernesto Frodden and Adriana Aránguiz-Acuña

Ecological Modelling, 2007, vol. 200, issue 1, 99-108

Abstract: It has been reported that, in order to reduce mortality, prey are able to change their phenotype in response to cues released from predators. These short-time responses constitute effective antipredator strategies in variable environments, and involve changes in morphology, behavior, physiology or life-history traits of prey individuals belonging to a wide spectrum of taxa. Defenses can be classified into pre-encounter and post-encounter, depending on the phase of the predation process in which they take place. Also, inducible defenses should be costly.

Keywords: Inducible defenses; Population dynamics; Predator–prey models; Ecology; Phenotypic plasticity; Paradox of enrichment; Stability; Bifurcations (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:200:y:2007:i:1:p:99-108

DOI: 10.1016/j.ecolmodel.2006.07.023

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