Table 1 Model structure: niches, exposure and genotype fitnesses within each niche

1−(α _mo + α _mi )

α _mo

α _mi (1−β _m )

α _mi β _m

1-(α _fo + α _fi )

α _fo

α _fi (1-β _f )

α _fi β _f

1

1−φ _o

1−φ _i

(1−φ _i )k

1−h _n z

(1−φ _o ) + h _o s _o

(1−φ _i ) + h _i s _i

[(1−φ _i ) + h _i s _i ]k

1-z

(1−φ _o ) + s _o

(1−φ _i ) + s _i

[(1−φ _i ) + s _i ]k