Table 2: Model composition. Each line in the Table led to 10 cost surfaces, since 10 values were assigned to resistance in open areas for each of these combinations. Without null models, 200 cost surfaces were thus created.

Map grainThematic resolutionRatio of the resistance in young forest compared to open areas

Open-forest
Open-edge-forest
5 mOpen-young-mature1/4
Open-young-mature1/2
Open-young-mature3/4

Open-forest
Open-edge-forest
25 mOpen-young-mature1/4
Open-young-mature1/2
Open-young-mature3/4

Open-forest
Open-edge-forest
100 mOpen-young-mature1/4
Open-young-mature1/2
Open-young-mature3/4

Open-forest
Open-edge-forest
300 mOpen-young-mature1/4
Open-young-mature1/2
Open-young-mature3/4