Long Description of Figure 1:

Graph showing forest floor depth for selected habitat types in three regions (measurements are approximate) - Northern Idaho: Western redcedar = 13 cm, Grand fir = 8 cm, Douglas-fir (moist) = 8 cm, Western hemlock = 7.3 cm, Ponderosa pine = 6.8 cm, Douglas-fir (dry) = 6 cm, Subalpine fir = 6 cm, Lodgepole pine = 2 cm; Central Idaho: Subalpine fir = 3.7 cm, Grand fir = 3.6 cm, Douglas-fir = 3.2 cm, Ponderosa pine = 2.6 cm, Lodgepole pine = 0.6 cm; Northwestern Montana: Subalpine fir = 5 cm, Lodgepole pine = 4.2 cm, Grand fir = 3.9 cm, Douglas-fir = 3.8 cm, Ponderosa pine = 3.7 cm.