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European Tropical Forest Research Network (ETFRN)
ETFRN is a forum for communication between European organizations, researchers,
EU institutions and others concerned with (sub-)tropical forest research.

The Virtual Green Site
The Dutch ministry of agriculture, nature management and fisheries.

A Place out of Time
Tropical rain forests – their wonders and the perils they face.

Faculty of Veterinary Medicine
University Utrecht.

Onder het Palmblad
Dutch magazine about tropical plants and animals.

CITES
Convention on International Trade in Endangered Species of wild flora and fauna.

Costa Rican Biodiversity Institute
Very interesting info regarding all biological aspects of Costa Rica, one of the most biodeverse countries in the World...