Subject
- Climatic changes -- Pacific Ocean18
- Animal population density13
- Carcinus maenas -- Oregon13
- Introduced aquatic organisms -- Oregon13
- Reforestation -- California, Northern11
- Reforestation -- Oregon11
- Carcinus maenas -- Washington10
- Introduced aquatic organisms -- Washington10
- Continental shelf -- California -- Pacific Coast9
- Hydrographic surveying -- California -- Pacific Coast6
- Marine fishes -- Oregon -- Pacific Coast6
- Ocean currents -- Oregon -- Pacific Coast -- Observations6
- Ocean temperature -- California -- Pacific Coast6
- Acoustic velocity meters5
- Douglas fir5
- Fish populations -- Oregon -- Pacific Coast5
- Marine animals -- Oregon -- Pacific Coast -- Geographical information5
- Climatic changes4
- Hydrographic surveying -- Oregon -- Pacific Coast4
- Navigation4