Event Title

Discrete Time Juvenile Adult Beverton Holt Type Model

Faculty Mentor

Youssef M. Dib; Mariette R. Maroun

Location

Memorial Gym

Start Date

20-4-2012 2:30 PM

End Date

20-4-2012 3:30 PM

Description

We propose a discrete time juvenile model where survivorship of juvenile stage to adult stage depends on the multiple of these two stages. This survivorship is of Beverton-Holt Type. Equilibria study, local asymptotic stability, and bifurcation analysis are studied depending on the net recruit number (R) of juvenile per life time of a single species of this model. It is also shown that this model depends on initial conditions. Numerical sensitivity study is also provided to show that solutions going through the saddle equilibrium may crash or stay positive depending on initial conditions as well when R > 1.

Comments

Poster presentation

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Apr 20th, 2:30 PM Apr 20th, 3:30 PM

Discrete Time Juvenile Adult Beverton Holt Type Model

Memorial Gym

We propose a discrete time juvenile model where survivorship of juvenile stage to adult stage depends on the multiple of these two stages. This survivorship is of Beverton-Holt Type. Equilibria study, local asymptotic stability, and bifurcation analysis are studied depending on the net recruit number (R) of juvenile per life time of a single species of this model. It is also shown that this model depends on initial conditions. Numerical sensitivity study is also provided to show that solutions going through the saddle equilibrium may crash or stay positive depending on initial conditions as well when R > 1.