Subject
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Bears
4
Browsing (Animal behavior)
4
Christmas trees
4
Control methods
4
Deer
4
Ecology
4
Emerald ash borer
4
Entomology
4
Forest surveys
4
Hardwoods
4
Insecticides
4
Pines
4
Risk assessment
4
Seed orchards
4
Ash (Plants)
3
Balsam Fir Sawfly
3
Beneficial insects
3
Black spruce
3
Blackheaded budworm
3
Blister rust
3
Cedar
3
Cerambycidae
3
Cones (Botany)
3
Economic aspects
3
Forest Pests
3
Forests
3
Hares
3
Manuals
3
Microbial pesticides
3
Seeds
3
Silvicultural systems
3
Spruce Budworm
3
Sugar maple
3
Timber
3
Wildlife management
3
Acadian Forest
2
Aphids
2
Asian longhorned beetle
2
Balsam Woolly Adelgid
2
Balsam woolly adelgid
2
Bibliography
2
Biology
2
Birds
2
Budworm
2
Canker-worms
2
Chemicals
2
Christmas tree growing
2
Dieback
2
Dispersal
2
Eastern hemlock
2
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