FIGURE 4 Computer analysis of a Landsat image of the study area,
printed here in black and white. The small black squares
between the different grey-tone patterns are unclassified
areas,
Type 1 Poplar/Birch 70 - 100%
Type 2 Poplar/Birch 50 - 70%
Type 3 Balsam 50 - 90%