Tree fall susceptibility to storms in major forest types in a part of Central Himalaya
Abstract
Tree fall in Kumaun Himalayan forest was analysed tor seven years from 1978 to 1984 between 250 and 2.600 m amsl. The tree fall was episodic. As one storm during a night in l981 alone accounted for about 80% of the tree fall encountered during the seven years of study. The percentage of standing crop that was affected by tree fall varied from species to species. In the entire study area chir pine (Pinus roxbughii forest and P. roxburghii exhibited the highest tree fall, and it was respectively 3.30 and 3.45% of stocking density. Tree fall increased up to 30-40 cm diameter class where after it declined.
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