1. Yale School of Forestry and Environmental Studies, 205 Prospect Street, New Haven, CT 06511, USA.
2. Department of Geography, University of Maryland, College Park, MD 20742, USA.
3. Department of Forestry, University of Tanjungpura, Pontianak, West Kalimantan, 780011, Indonesia.
4. Jalan Abdurrachman Saleh, 1A, Pontianak, West Kalimantan, 78124, Indonesia.