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Volume 6, Issue 3, June 2018, Page: 97-108
Modeling and Simulation Study of the Population Dynamics of Commensal-Host-Parasite System
Geremew Kenassa Edessa, Department of Mathematics, Wollega University, Nekemte, Ethiopia
Boka Kumsa, Department of Mathematics, Wollega University, Nekemte, Ethiopia
Purnachandra Rao Koya, Department of Mathematics, Hawassa University, Hawassa, Ethiopia
Received: Apr. 30, 2018;       Accepted: Jun. 1, 2018;       Published: Jul. 5, 2018
Abstract
This paper deals with the modeling and simulation study of Commensal-host species system together with the inclusion of parasite population. The model comprises of three populations viz. Host, Commensal and Parasite. The Commensal population gets benefit from Host population but the former do not do any harm to the latter. The parasite population gets benefit and also do harm to Host population. However, the Commensal population only harms the parasites. The mathematical model is comprised of a system of three first order non-linear ordinary differential equations. Mathematical analysis of the model is conducted. Positivity and boundedness of the solution have been verified and thus shown that the model is physically meaningful and biologically acceptable. Scaled model is constructed so as to reduce the number of model parameters. Equilibrium points of the model are identified and stability analysis is conducted. Simulation study is conducted in order to support the mathematical analysis. In the present model the Commensal population lies higher and the parasite population lies below respectively the host population. This fact is well supported by the mathematical analysis as well as simulation study. The results of analysis and simulation are presented and discussed lucidly in the text of the paper.
Keywords
Commensalism, Parasite, Stability, Eco-epidemiology, Numerical Simulation
Geremew Kenassa Edessa, Boka Kumsa, Purnachandra Rao Koya, Modeling and Simulation Study of the Population Dynamics of Commensal-Host-Parasite System, American Journal of Applied Mathematics. Vol. 6, No. 3, 2018, pp. 97-108. doi: 10.11648/j.ajam.20180603.11
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