Subject
Balsam fir
1
Biomass
1
Carbon emissions
1
Classification
1
Climate change
1
Conservation
1
Demand
1
Diseases and pests
2
Ecological disturbances
1
Ecology
2
Economic aspects
1
Economic indicators
1
Economics
3
Energy
1
Energy conservation
1
Energy efficiency
1
Environmental impacts
Environmental management
1
Environmental policy
1
Environmental protection
1
Exploration
1
Fir
2
Fish
1
Fisheries
1
Foliar diagnosis
1
Forest damage
1
Forest ecology
1
Forest experiment stations
1
Forest industry
1
Forest inventories
1
Forest management
1
Forest products
2
Forest site quality
1
Forest surveys
1
Forestry
2
Forestry practices
1
Forests and forestry
Fossil fuels
1
Global aspects
2
Growth
1
Hardwoods
1
Harvesting
1
History
1
Markets
1
Measurement
2
Mensuration
1
Mining
1
Mistletoes
1
NUCLEAR POWER PLANTS
1
Natural resources
1
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