Death of gizzard shad is determined by the density of predators of various size
classes. The predation rate is given graphically in Fig. 37.7.
Large adult gizzard shad are not removed by predation at all. Regulation strength
of predators is modified at the variable REGULATION STRENGTH. This control
variable affects death rates of the predator and its ability to control gizzard shad. It
may be said that the control is directly related to the spatial separation of the two
Fig. 37.5
37.1 Gizzard Shad Model
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