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Subject
- Ecology97
- Forest ecology62
- Rain forest ecology59
- Forests and forestry35
- Environmental aspects32
- Human ecology32
- Rain forests28
- Forest management25
- Deforestation21
- Rain forest conservation21
- Forest conservation17
- Agricultural ecology15
- Biotic communities14
- Management14
- Research11
- Forest products industry10
- Plant ecology10
- Savanna ecology9
- Trees9
- Animals8