Effect of predator space-use parameters (movement rate, home range size) on adult prey dispersal rate.

<p>We present the invasion fitness of a dispersive mutant prey in a non-dispersive resident population (a convenient index of selection for dispersal that has been confirmed by more detailed PIPs) as a function of (a) predator home range size and predator movement rate ; and (b)as a function of average predator dispersal distance () and predator movement rate . White indicates selection for dispersal (, maximal value), and black against (), while gray values around zero fitness are an intermediate zone where there actually is a positive ES dispersal rate (as shown in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0028924#pone-0028924-g002" target="_blank">Figure 2</a>). Parameters held constant are . In (a) and in (b) . Invasion fitness was computed using the moment approximation.