Subject
- Bird populations -- West (U.S.) -- Geographical distribution1
- Conservation1
- Germination1
- Habitat restoration1
- Intellectual capital1
- International business enterprises1
- International trade1
- Native prairie1
- Native species1
- Passeriformes -- Habitat -- Conservation -- West (U.S.)1
- Regeneration ecology1
- Sagebrush -- West (U.S.)1
- Seedling establishment1
- Seeds -- Dormancy1
- Willamette River Valley (Or.)1