Subject
- Caspian tern -- Food -- Columbia River Estuary (Or. and Wash.)5
- Chinook salmon5
- Otoliths5
- Predation (Biology)5
- Caspian tern -- Ecology -- Columbia River Estuary (Or. and Wash.)4
- California Current3
- Chinook salmon -- Immunology3
- Double-crested cormorant -- Food -- Columbia River Estuary (Or. and Wash.)3
- Exxon Valdez Oil Spill, Alaska, 19893
- Fish stock assessment -- Mathematical models3
- Gene expression3
- Pacific oyster3
- Riparian ecology -- Coast Ranges3
- Riparian ecology -- Oregon3
- Steelhead (Fish) -- Migration3
- Stream ecology -- Oregon3
- Wetland ecology -- Oregon -- Willamette River Valley3
- Albatrosses2
- Algae culture2
- Bioacoustics2