1. Center for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Universidade de Lisboa, Lisbon, Portugal.
2. Universidad Tecnica Particular de Loja (UTPL), Facultad de Ciencias Exactas y Naturales, Loja, Ecuador.
3. Forest Research Centre, Associate Laboratory TERRA, School of Agriculture, University of Lisbon, 1349-017 Lisbon, Portugal.