Dynamical Models of Interactions between Herds Forage and Water Resources in Sahelian Region
Figure 2
Phase portrait of System (1). Illustration of the local asymptotic stability of equilibrium and equilibrium . These situations happen during transhumance; the pastoralists leave the area because of scarcity of forage resources or some local conditions. The rest of parameters in this case are given in Table 1, with kgDM/ha, kgDM/ha, kgDM/ha, and kgDM/ha such that .