1. Parque Nacional Nahuel Huapi (CENAC-APN), National Scientific and Technical Research Council (CONICET), San Carlos de Bariloche, Río Negro, Argentina
2. School of Forestry & Environmental Studies, Yale University, New Haven, Connecticut, United States
3. Laboratorio de Ecotono, INIBIOMA, National Scientific and Technical Research Council (CONICET), San Carlos de Bariloche, Río Negro, Argentina