Subject
- Fire ecology -- Oregon2
- Plant competition -- Oregon, Eastern2
- Sagebrush steppe ecology -- Oregon, Eastern2
- Agroforestry systems -- Oregon -- Corvallis1
- Arid regions ecology -- Great Basin1
- Artemisia -- Habitat -- Columbia River1
- Artemisia -- Reintroduction -- Columbia River1
- Biscuit Fire, Or. and Calif., 20021
- Cactus1
- Carbon sequestration1
- Cheatgrass brome -- Control -- Oregon, Eastern1
- Cheatgrass brome -- Ecology -- West (U.S.)1
- Cheatgrass brome -- Economic aspects -- Great Basin1
- Cheatgrass brome -- Seeds -- Oregon, Eastern1
- Cheatgrass brome -- Social aspects -- Great Basin1
- Chicks -- Mortality1
- Crested wheatgrass -- Effect of grazing on -- Oregon, Eastern1
- Crested wheatgrass -- Oregon, Eastern1
- Crested wheatgrass -- Seedlings -- Ecophysiology -- Oregon1
- Dalmatian toadflax -- Biological control -- Oregon1