Figure 1From: Permanence of the periodic predator-prey-mutualist system Dynamic behaviors of the solution \(\pmb{(x(t), y(t), z(t))}\) system ( 4.1 ) with initial conditions \(\pmb{(x(0), y(0),z(0) )=(10, 13, 15),(12, 10, 13)\mbox{ and }(2, 4, 6)}\) , respectively. Back to article page