Subject
- Afforestation -- Ethiopia -- ʼAlemaya1
- Agroforestry -- Ethiopia -- ʼAlemaya1
- Buffer zones (Ecosystem management) -- Oregon, Western1
- Forest management -- Coast Ranges1
- Forest management -- Oregon1
- Land use -- Ethiopia -- ʼAlemaya1
- Riparian ecology -- Coast Ranges1
- Riparian ecology -- Oregon1
- Riparian forests -- Coast Ranges1
- Riparian forests -- Oregon1
- Streambank planting -- Oregon, Western1
- Watershed management -- Ethiopia -- ʼAlemaya1