According to ICIMOD figures from 2010, forest is the dominant form of land cover in Nepal covering 57,538 km2 with a contribution of 39.09% to the total geographical area of the country. Most of this forest cover is broadleaved closed and open forest, which covers 21,200 km2 or 14.4% of the geographical area. Needleleaved open forest is the least common of the forest areas covering 8,267 km2 (5.62%). At national level 64.8% area is covered by core forests of > 500 ha size and 23.8% forests belong to patch and edge category forests. The patch forest constituted 748 km2 at national level, out of which 494 km2 of patch forests are present in hill regions. Middle mountains, Siwaliks and Terai regions have more than 70% of the forest area under core forest category > 500 ha size. The edge forests constituted around 30% of forest area of High Mountain and Hill regions.