Subject
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Old growth forests
1
Pesticides and wildlife
1
Plant competition
1
Plant succession
1
Planting
1
Poplar
1
Red oak
1
Red pine
1
Reforestation
2
Remote sensing
1
Research
2
Root rots
1
Seedlings
1
Seeds
1
Silvicultural systems
3
Spruce
1
Spruce budworm
1
Stand establishment
1
Stumpage value
1
Sugar maple
1
Sustainable forestry
1
Taigas
2
Thinning
Trees
3
Wetland conservation
1
Wetlands
1
White pine
2
Woodlots
1
Yellow birch
1