2012
DOI: 10.4257/oeco.2012.1601.07
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Control of Nonlinear Dynamic Models of Predator-Prey Type

Abstract: In the ecological context, a large class of population dynamics models can be written as dynamical systems of one or two variables, i.e., each variable represents a population density of a species. When one or more species is removed from the system (harvested), it is necessary to introduce a control (harvest policy) in order to avoid the extinction of species, due to harvesting. A threshold policy (TP) and a threshold policy with hysteresis (TPH) reviewed and discussed in this paper can be used to avoid the c… Show more

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Cited by 2 publications
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“…An introduction to the theory of dynamic systems is then presented by Baaba Ghansa, Paulo José Almeida, Carlos Frederico Palmeira and Lucas Faria, presenting four different models of populations under different functional responses, analyzing the stability of theses systems to understand the possibilities of a sustainable use under these scenarios (Ghansa et al 2012). Amit Bhaya and Magno Enrique Mendoza Meza review two classes of mechanisms that allow stability in predator-prey dynamic systems, named "threshold policy" or "threshold policy with hysteresis" (Bhaya & Meza 2012). The applications of these mechanisms (or policies) of renewable natural resource management is discussed.…”
mentioning
confidence: 99%
“…An introduction to the theory of dynamic systems is then presented by Baaba Ghansa, Paulo José Almeida, Carlos Frederico Palmeira and Lucas Faria, presenting four different models of populations under different functional responses, analyzing the stability of theses systems to understand the possibilities of a sustainable use under these scenarios (Ghansa et al 2012). Amit Bhaya and Magno Enrique Mendoza Meza review two classes of mechanisms that allow stability in predator-prey dynamic systems, named "threshold policy" or "threshold policy with hysteresis" (Bhaya & Meza 2012). The applications of these mechanisms (or policies) of renewable natural resource management is discussed.…”
mentioning
confidence: 99%