Mathematical analysis of mosquito population global dynamics using delayed-logistic growth

Ousmane KOUTOU; Boureima SANGAR´E; Abou Bakari DIABAT´E

doi:10.26637/MJM0804/0094

Abstract

Malaria is a major public health issue in many parts of the world, and the anopheles mosquitoes which drive transmission are key targets for interventions. Consequently, a best understanding of mosquito populations
dynamics is necessary in the fight against the disease. Hence, in this paper we propose a delayed mathematical model of the life cycle of anopheles mosquitoes by using delayed-logistic population growth. The model is formulated by inserting the time delay into the logistic population growth rate, that accounts for the period of growth from eggs to the last aquatic stage, which is pupae. Depending on the system parameters, we establish a threshold for survival and extinction of the anopheles mosquitoes population. Moreover, by choosing the time delay as a bifurcation parameter, we prove that the system loses its stability and a Hopf bifurcation occurs when time delay passes through some critical values. Finally, we perform some numerical simulations and the results are well in keeping with the analytical analysis.

Keywords:

Mosquitoes population, delayed-logistic growth, malaria transmission, mathematical analysis

Mathematics Subject Classification:

Mathematics

Authors Imprint References Funding Related Articles Downloads

Ousmane KOUTOU Department of Mathematics, University Nazi BONI, Bobo Dioulasso,
Boureima SANGAR´E Department of Mathematics, University Nazi BONI, Bobo Dioulasso,
Abou Bakari DIABAT´E Department of Mathematics, University Nazi BONI, Bobo Dioulasso,

Pages: 1898-1905
Date Published: 01-10-2020
Vol. 8 No. 04 (2020): Malaya Journal of Matematik (MJM)

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