Methodological explanations |
Mountains are defined according to the UNEP-WCMC classification that identifies them according to altitude, slope and local elevation range as described by Kapos et al. 2000: Class 1: elevation > 4,500 meters Class 2: elevation 3,500-4,500 meters Class 3: elevation 2,500 - 3,500 meters Class 4: elevation 1,500 -2,500 meters and slope > 2 Class 5: elevation 1,000 - 1,500 meters and slope > 5 or local elevation range (LER 7 kilometer radius) > 300 meters Class 6: elevation 300 - 1,000 meters and local elevation range (7 kilometer radius) > 300 meters |