Table 1. Parameter definitions and values.

Symbol	Definition	Value	Source
r	Fecundity of trees	0.06/yr	[11]
A	Transmission rate of pest	6.5×10−4/yr	[7], [11], [15]
d	Between-patch transmission	0.05	–
ε	Time to fatality for infested trees	3 yr	[4], [16]
Cl	Cost of buying local firewood	$6.75	†
Ct	Cost of transporting firewood	$5.00	‡
n	Strength of social norms	–	–
f	Impact of outbreak on decisions	–	–
Ki	Carrying capacity in patch i	5000	[7]
σ	Imitation dynamic	–	–
a	Allee effect threshold	1	–

^†The cost of local firewood was determined by personal communication with Ontario Parks.

^‡The cost of transporting firewood was determined by observation of costs of firewood available for private sale.