• STABILITY AND PHASE STUDY OF A HARVESTED PREDATOR-PREY SYSTEM WITH HOLLING –IV TYPE PREDATION

S. MURALI KRISHNA*

Abstract


In this paper we have considered a prey-predator model with Holing type IV of predation and independent harvesting in either species. The purpose of the work is to offer mathematical analysis of the model and to discuss some significant qualitative results that are expected to arise from the interplay of biological forms. Our study shows that using the harvesting efforts as controls, it is possible to break the cycle behaviour of the system and drive it to a required state. Also it is possible to introduce globally stable limit cycle in the system using the above controls.


Keywords


Prey-predator system, harvesting, limit cycle, controllability.

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