Subject
- U.S. International Biological Program. Coniferous Forest Biome157
- Forests and forestry -- Research -- Oregon28
- Forest ecology -- West (U.S.)20
- Forest products -- Research -- Oregon14
- Forests and forestry -- Northwest, Pacific14
- Forests and forestry -- Oregon14
- Oregon State University. Forest Research Laboratory14
- Oregon State University. College of Forestry13
- Conifers -- West (U.S.) -- Ecology12
- Greenhouse gases -- Forecasting12
- H.J. Andrews Experimental Forest (Or.)12
- Lake ecology -- West (U.S.)12
- Stream ecology -- West (U.S.)12
- Reforestation -- Oregon11
- Catalogs, Publishers' -- Oregon8
- College publications -- Oregon8
- Douglas fir8
- Forests and forestry -- Research -- Northwest, Pacific8
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.)8
- Plant communities -- Oregon7