Subject
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Biodiversity
3
Climatic changes
3
Control
3
Defoliation
3
Ecosystem management
3
Fish
3
Forest insects
3
Forest policy
3
Forest resources
3
Forest site quality
3
Forest surveys
3
Growth
3
Insects
3
Landscapes
3
Logging
3
Lynx
3
Methods
3
Owls
3
Pests
3
Pines
3
Planning
3
Recreation areas
3
Seeds
3
Spruce
3
Stand characteristics
3
Timber
3
Watershed management
3
Acid deposition
2
Air
2
Ash (Plants)
2
Beetles
2
Bibliography
2
Biological control
2
Camp sites, facilities, etc
2
Case studies
2
Climate
2
Computer modeling
2
Computer programs
2
Demographics
2
Education
2
Effect of acid deposition on
2
Effect of air pollution on
2
Endangered species
2
Environmental impacts
2
Environmental monitoring
2
Environmental policy
2
Fisher
2
Forecasting
2
Forest declines
2
Forest health
2
more ...