Abstract:
Daniel Janzen has researched as biologist, ecologist, and conservationist in the forests of Costa Rica. In September 1999 he gave the following paper at The Norway/UN Conference on the Ecosystem Approach for Sustainable Use of Biological Diversity in Trondheim. The paper has been slightly adapted for publication in the journal and Biodiversity thanks both the author and Odd Sandlund at NINA (Norwegian Institute for Nature Research) for permitting publication in the journal in advance of the publication of the proceedings. All photos were taken by Daniel Janzen.