KU Leuven Department of Earth and Environmental Sciences Division Forest Nature and Landscape Celestijnenlaan 200E P.O.Box 2411 3001 Leuven Belgium;
Department of Land Resource Management and Environmental Protection Mekelle University College of Dryland Agriculture and Natural Resources P.O.Box 231 Mekelle Tigray Ethiopia;
KU Leuven Department of Earth and Environmental Sciences Division Forest Nature and Landscape Celestijnenlaan 200E P.O.Box 2411 3001 Leuven Belgium;
Department of Land Resource Management and Environmental Protection Mekelle University College of Dryland Agriculture and Natural Resources P.O.Box 231 Mekelle Tigray Ethiopia;
KU Leuven Department of Earth and Environmental Sciences Division Forest Nature and Landscape Celestijnenlaan 200E P.O.Box 2411 3001 Leuven Belgium;
Laboratory of Geo-Information Science and Remote Sensing Wageningen University 6708 PB Wageningen The Netherlands;
KU Leuven Department of Earth and Environmental Sciences Division Forest Nature and Landscape Celestijnenlaan 200E P.O.Box 2411 3001 Leuven Belgium;
KU Leuven Department of Earth and Environmental Sciences Division Forest Nature and Landscape Celestijnenlaan 200E P.O.Box 2411 3001 Leuven Belgium;