Subject
- Stream ecology -- Oregon3
- Salmon -- Effect of habitat modification on -- Oregon2
- Salmon -- Effect of sediments on -- Oregon2
- Sand and gravel industry -- Environmental aspects -- Oregon2
- Ambystomidae -- Habitat -- Washington (State) -- Mount Rainier National Park1
- Barred owl -- Ecology -- Oregon, Western1
- Barred owl -- Food -- Oregon, Western1
- Barred owl -- Habitat -- Oregon, Western1
- Barred owl -- Oregon, Western -- Reproduction1
- Birds -- California, Northern -- Ecology1
- Birds -- Ecology -- Statistical methods1
- Birds -- Monitoring -- Statistical methods1
- Blue mud shrimp -- Age determination -- Oregon -- Yaquina Bay1
- Blue mud shrimp -- Oregon -- Yaquina Bay -- Growth1
- Chinook salmon -- Climatic factors -- Oregon1
- Chinook salmon -- Ecology -- Oregon -- John Day River, South Fork1
- Chinook salmon -- Habitat -- Oregon1
- Coastal cutthroat trout -- Behavior -- Oregon, Western -- Mathematical models1
- Coastal cutthroat trout -- Habitat -- Oregon, Western1
- Coastal cutthroat trout -- Oregon, Western1