DefinePK

Abstract

ABSTRACT Tree felling and conversion in Pakistan is done by hand tools; axes and saws. These, besides being primitive are inefficient, thus causing low labour productivity, and delays in exploitation and subsequent regeneration operations in the forests. Introduction of power chain saws for felling and conversion of trees is essential to speed up timber harvesting operations so that enough time is available for regeneration work as well as to increase the labour productivity. It has been observed in many countries that power chain saws are more than three times efficient in timber production during felling and conversion than hand tools (Pearce and Stenzel, 1972). Hence their use is quite common in the developed countries. However, considerable research is needed to determine the suitability and economics of working of these tools in different countries and forests in view of the varied socio-economic conditions prevailing in them.