She has a Ph.D. in Ecology, with a concentration in Conservation and Sustainable Development, from Cornell University. Her research focuses on understanding patterns of biodiversity in fragmented landscapes and the roles of agroforestry systems in conserving both local and regional biodiversity. Contact Celia Harvey at: Department of Agriculture and Agroforestry, CATIE, Apdo 7170, Turrialba, Costa Rica, email: charvey@catie.ac.cr .