On the dynamics of a generalized predator-prey system with Z-type control

Abstract

We apply the Z-control approach to a generalized predator prey system and consider the specific case of indirect control of the prey population. We derive the associated Z-controlled model and investigate its properties from the point of view of the dynamical systems theory. The key role of the design parameter A. for the successful application of the method is stressed and related to specific dynamical properties of the Z-controlled model. Critical values of the design parameter are also found, delimiting the lambda-range for the effectiveness of the Z-method. Analytical results are then numerically validated by the means of two ecological models: the classical Lotka-Volterra model and a model related to a case study of the wolf wild boar dynamics in the Alta Murgia National Park. Investigations on these models also highlight how the Z-control method acts in respect to different dynamical regimes of the uncontrolled model. (C) 2016 The Authors. Published by Elsevier Inc.


Tutti gli autori

  • Lacitignola D. ; Diele F. ; Marangi C. ; Provenzale A.

Titolo volume/Rivista

Mathematical biosciences


Anno di pubblicazione

2016

ISSN

0025-5564

ISBN

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