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General aspects of vegetation of the Shiwalik ranges and the Garhwal Himalaya between the altitudes : 400-4,200 m together with detailed floristic accounts of the typical forests, are provided. Main types of forests surveyed include moist sal bearing forests, tropical fresh-water swamp forests, tropical dry deciduous forests, Himalayan montane subtropical forests, Himalayan moist temperate forests, sub-alpine forests and alpine forests. Various forest types are illustrated by field photographs. It is noted that there is a general decline in the forest cover and forest degradation is on the increase because of population pressure for more cultivable land and increased tourist flow in the region. Serious efforts at natiopal level are needed to conserve the fast dwindling forest cover.
Bir et al. (2024) studied this question.