1. Forest Inventory and Remote Sensing, Faculty of Forest Sciences, University of Goettingen, Göttingen, Germany
2. División de Estudios de Posgrado, Universidad de la Sierra Juárez, Oaxaca, Mexico
3. Instituto de Silvicultura e Industria de la Madera, Universidad Juárez del Estado de Durango, Durango, México
4. Division of Forestry and Forest Resources, Norwegian Institute of Bioeconomy Research (NIBIO), NORWAY