Timer extraction & mining in environmental engineering free pdf download
The chief product that forests supply is wood like timbers. Major forest products consist of timber small wood and fuel wood. Indian forests produce about 5,000 species of wood, of which about 450 are commercially valuable. Hard woods include important species such as teak, ironwood, mahogany etc.
These woods are used for constructional purposes. Population explosion had its tremendous pressure on demand for timber and other wood. Consumption of wood for industrial uses is more in developed countries than the developing countries. India has abundant timber. It accounts half of the total biomass produced by a forest. But demands may become still higher in future.
That increase in demand cannot be met from what we produce at present. Total requirement of timber in the year 2000 was 46.755 m3 (based on DCPPT, 1983). It is a matter of serious concern that the present generation man has forgotten the value of forests. The reckless felling of trees from the very beginning of the present century without caring for environment