Table 1.

Parameter values used in simulations and their biological interpretations

Parameter	Meaning	Values
n H	Host background genome size	Fixed at 100
n P	Parasite background genome size	Fixed at 100
m H	Host movement rate	Drawn at random from a uniform distribution on [0, 0.01]
m P	Parasite movement rate	Drawn at random from a uniform distribution on [0, 0.01]
β	Sensitivity of infection to host and parasite genotypes	Drawn at random from a uniform distribution on [0.8, 1.0] for the discrete matching model and on [2.0, 4.0] for the quantitative matching model
S	Virulence of infection	Drawn at random from a uniform distribution on [0.6, 0.9]
${\mathrm{\eta }}_H$	Local host population size	Drawn at random from a uniform distribution on [150, 300]
${\mathrm{\eta }}_P$	Local parasite population size	Drawn at random from a uniform distribution on [150, 300]
${\mathrm{\mu }}_H$	Host genome wide mutation rate	Drawn at random from a uniform distribution on [0.01, 0.05]
${\mathrm{\mu }}_P$	Parasite genome wide mutation rate	Drawn at random from a uniform distribution on [0.01, 0.05]
$r_{H,i,j}$	Host recombination rate between adjacent loci i and j	Drawn at random from a uniform distribution on [0, 0.5]
$r_{P,i,j}$	Parasite recombination rate between adjacent loci i and j	Drawn at random from a uniform distribution on [0, 0.5]