In the original model, cities without agricultural cells are killed, if they are older then 5 years.
Hypothesis this, in combination with soil degradation, this is probably what causes overshoot and collapse.
Therefore
- Test, what happens, if cities live on without agriculture
- Test, what happens, if soil degradation decreases with size of cities (there is evidence, that this was actually the case)
In the original model, cities without agricultural cells are killed, if they are older then 5 years.
Hypothesis this, in combination with soil degradation, this is probably what causes overshoot and collapse.
Therefore