If you mention this model in a publication, we ask that you include these citations for the model itself and for the NetLogo software:. Thinking like a Wolf, a Sheep or a Firefly: Once grass is added, notice the green line added to the population plot representing fluctuations in the amount of grass. To view a copy of this license, visit http: What is the explanation for this? Home List models Help Blog.
Why do you suppose that some variations of the model might be stable while others are not?
Sheep with Brains
In contrast, a system is stable if it tends to maintain itself over time, despite fluctuations in population sizes. This variation is more complex than the first, but it is generally stable. Whether or not to show the energy of each animal as a number Notes: Note the use of breeds to model two different kinds of "turtles": Can you find any parameters that generate a stable ecosystem that includes only wolves and sheep? You'll first need to log in.