Columbia subject headings:
Deforestation--Tropics.
Forest surveys--Tropics.
Forests and forestry--Tropics.
Nature--Effect of human beings on--Tropics.
Rain forest ecology.
Harvard subject headings:
Deforestation--Tropics
Forest surveys--Tropics.
Forests and forestry--Tropics
Nature--Effect of human beings on--Tropics.
Rain forest ecology.
Princeton subject headings:
Deforestation--Tropics.
Forest surveys--Tropics.
Forests and forestry--Tropics.
Nature--Effect of human beings on--Tropics.
Rain forest ecology.