Long Description of Figure 2:

Total seedling biomass after 3 years (harsh site - all values approximate) -- 1. Mound and competition: Western white pine/a treatment - 7.2 grams, Douglas-fir/x treatment - 7 grams; 2. Mound and no competition: Western white pine/b treatment - 25.5 grams, Douglas-fir/y treatment - 31 grams; 3. Scalp: Western white pine/a treatment - 15 grams, Douglas-fir/x treatment - 9.2 grams; 4. Control: Western white pine/b treatment - 10.3 grams, Douglas-fir/y treatment - 11 grams.