Subject
Deer
2
Wildlife
Acid rain
1
Amphibians
1
Birds
1
Caterpillars
1
Clearcutting
1
Data
1
Ecosystems
1
Endangered species
1
Environmental impacts
1
Environmental management
1
Environmental protection
1
Fish
1
Forest management
1
Identification
1
Mammals
1
Ozone
1
Plover
1
Populations
1
Recovery
1
Reptiles
1
Strip mining
1
Surface mining
1
Trees
1
Wildlife management
1