Subject
- Chinook salmon -- Effect of water pollution on2
- Chinook salmon -- Growth2
- Wood-pulp industry -- Environmental aspects2
- Flagellata1
- Food chains (Ecology) -- Mathematical models1
- Lake ecology -- Mathematical models1
- Salmon1
- Stream ecology -- Mathematical models1
- Temperature -- Physiological effect1
- U.S. International Biological Program. Coniferous Forest Biome1