Columbia subject headings:
Forest productivity--Economic aspects--Ecuador.
Tree crops--Economic aspects--Ecuador.
Harvard subject headings:
Forest management--Economic aspects--Ecuador.
Forest management--Ecuador.
Forest productivity--Economic aspects--Ecuador.
Forests and forestry--Economic aspects--Ecuador.
Reforestation--Economic aspects--Ecuador.
Trees--Economic aspects--Ecuador.
Princeton subject headings:
Forest productivity--Ecuador.
Forests and forestry--Economic aspects--Ecuador.
Trees--Ecuador.