Columbia subject headings:
Deforestation--Tropics.
Forest conservation--Tropics.
Forest ecology--Tropics.
Forest products--Tropics.
Forests and forestry--Tropics.
Rain forest ecology.
Rain forests.
Harvard subject headings:
Deforestation--Tropics
Forest conservation--Tropics
Forest ecology--Tropics
Forest products--Tropics.
Forests and forestry--Tropics
Rain forest ecology.
Rain forests.
Princeton subject headings:
Deforestation--Tropics.
Forest conservation--Tropics.
Forest ecology--Tropics.
Forest products--Tropics.
Forests and forestry--Tropics.
Rain forest ecology.
Rain forests.