1. School of Geography and Sustainable Development; University of St Andrews; Irvine Building, North Street St Andrews Fife KY16 9AL U.K.
2. School of Geography; University of Leeds; Leeds LS6 9JT U.K.
3. Instituto de Investigaciones de la Amazonía Peruana; Iquitos, Av. José A. Quiñones km. 2.5 - Apartado Postal 784 Loreto Peru
4. Department of Global Ecology; Carnegie Institution for Science; 260 Panama St Stanford CA 94305 U.S.A.
5. International Center for Tropical Botany; Florida International University; 11200 SW 8th St Miami FL 33199 U.S.A.
6. School of Life Sciences; Arizona State University; Tempe AZ 85287 U.S.A.
7. School of Integrative Studies; George Mason University; Fairfax VA 22030 U.S.A.
8. School of GeoSciences,The University of Edinburgh Crew Building,The King's Buildings; Edinburgh EH9 3FF U.K.
9. Science and Education; The Field Museum of Natural History; 1400 S Lake Shore Dr Chicago IL 60605 U.S.A.