1. International Research Institute for Climate and Society; Columbia University; Palisades; New York; USA
2. Department of Geography; University of Georgia; Athens; Georgia; USA
3. Department of Ecology, Evolution and Environmental Biology; Columbia University; New York; New York; USA
4. Servicio Nacional de Meteorologia e Hidrologia; Lima; Peru
5. Institute of Economic Botany; New York Botanical Garden; New York; New York; USA
6. Center for Environmental Research and Conservation; Columbia University; New York; New York; USA