Wolf-Sheep-Grass

ABM · 20

The classic NetLogo predator-prey model. Sheep eat grass, wolves eat sheep, both reproduce when fed and die when starved. Boom-bust cycles emerge — sometimes stable oscillation, sometimes collapse.

Initial sheep 120

Initial wolves 40

Sheep gain from grass 4

Wolf gain from sheep 20

Grass regrowth ticks 25

Reproduction prob 0.04

Tick0

Sheep—

Wolves—

Grass cells—