Subject
- Agricultural pests -- Control -- Congresses732
- Fisheries -- Economic aspects -- Congresses496
- Sustainable fisheries -- Congresses346
- Fisheries -- Oregon330
- Game and game-birds -- Oregon328
- Game protection -- Oregon326
- Wildlife management -- Oregon189
- Fishing -- Oregon172
- Hunting -- Oregon171
- Sustainable Fisheries -- Congresses150
- Herbicides103
- Douglas fir90
- Heat -- Transmission88
- Fishery management -- Congresses79
- Seafood industry -- Congresses79
- Wheat70
- Seafood -- Marketing69
- Aquaculture -- Economic aspects67
- Industrial arts -- Study and teaching67
- Machine learning64