Topics
Appropriations and expenditures
1
Aquatic resources
1
Benthic animals
2
Biotic communities
2
Contracts
2
Dams
15
Effect of dams on
10
Effect of habitat modification on
7
Environmental aspects
Environmental monitoring
1
Fish communities
4
Fishes
Food chains (Ecology)
2
Freshwater animals
2
Freshwater habitats
7
Freshwater productivity
2
Hydroelectric power plants
Migration
1
Power utilization
4
Productivity
2
Research
15
Reservoirs
3
Stream ecology
1
Stream invertebrates
2