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Subject
- History10
- Deforestation6
- Farm life6
- Agriculture4
- Forest conservation4
- Rain forest ecology4
- Rain forests4
- Arid regions agriculture3
- Country life3
- Forest management3
- Forests and forestry3
- Arid regions2
- Conservationists2
- Management2
- Mendes, Chico, d. 19882
- Peasantry2
- Social conditions2
- Whaling2
- Agricultural ecology1
- Alpine regions1