Seasonal Effects on a Beddington-DeAngelis Type Predator-Prey System with Impulsive Perturbations

Figure 3

Phase portraits of solutions for system (1.3). (a) 𝜆=2.6 (a 2𝜏-periodic solution), (b) 𝜆=4.8 (chaotic motion), (c) 𝜆=6.0 (a 𝜏-periodic solution).

(a)

(b)

(c)