The study area comprises five well-defined subcatchments (of 1.14–4.23 km2 in
size) and the valley slopes between them in the drainage basin of the Likhu Khola
(Fig. 1). The Likhu Khola (river) is a tributary of the Trisuli, which flows from the
High Himalaya, in the Langtang region, and ultimately into the Ganges. The drainage