Columbia subject headings:
Ecology--Costa Rica.
Ecology--Tropics.
Guanacaste National Park (Costa Rica)
National parks and reserves--Costa Rica.
Nature conservation--Costa Rica.
Harvard subject headings:
National parks and reserves--Costa Rica--Management.
National parks and reserves--Costa Rica--Planning.
Parque Nacional Guanacaste (Costa Rica)
Princeton subject headings:
Ecology--Costa Rica.
Ecology--Tropics.
Guanacaste National Park (Costa Rica)
National parks and reserves--Costa Rica.
Nature conservation--Costa Rica.