Table 1.

Typical parameter values for the modified form of the model developed by Matsuura [24]. The parameters marked with an asterisk have been chosen to match those in the original model.

parameter	symbol	value
absorption probability	pa	0.5
reproduction probability	pr	0.5
nutrient movement probability	pm	0.8
directional bias	pd	0–1
initial number of nutrient packets	n0	102–105
initial nutrient concentration	c0	1–7
maximum nutrient storage*	ms	4
nutrient for reproduction*	mr	3
number of nutrient steps	s	1–37