Subject
- U.S. International Biological Program. Coniferous Forest Biome8
- Beef cattle -- Productivity4
- Industrial productivity -- Measurement4
- Primary productivity (Biology)4
- Dairy cattle -- Productivity3
- Forest productivity3
- Forest productivity -- Oregon3
- Forest productivity -- Oregon, Western3
- Industrial productivity3
- Lake ecology -- Washington (State) -- Chester Morse Lake3
- Lake ecology -- Washington (State) -- Findley Lake3
- Lake ecology -- Washington (State) -- Sammamish, Lake3
- Marine productivity -- North Pacific Ocean3
- Agricultural productivity2
- Agricultural productivity -- Oregon -- Willamette River Valley2
- Dairy cattle -- Evaluation2
- Dairy cattle -- Standards2
- Douglas fir -- Oregon, Western -- Growth2
- Forest ecology -- Oregon2
- Forest productivity -- Cascade Range2