Columbia subject headings:
Agricultural ecology--Amazon River Region--Case studies.
Deforestation--Amazon River Region--Case studies.
Forests and forestry--Amazon River Region--Case studies.
Rain forest ecology--Amazon River Region--Case studies.
Shifting cultivation--Amazon River Region--Case studies.
Harvard subject headings:
Agricultural ecology--Amazon River Region--Case studies.
Deforestation--Amazon River Region--Case studies.
Forests and forestry--Amazon River Region--Case studies.
Rain forest ecology--Amazon River Region--Case studies.
Shifting cultivation--Amazon River Region--Case studies.
Princeton subject headings:
Agricultural ecology--Amazon River Region--Case studies.
Deforestation--Amazon River Region--Case studies.
Forests and forestry--Amazon River Region--Case studies.
Rain forest ecology--Amazon River Region--Case studies.
Shifting cultivation--Amazon River Region--Case studies.