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As late as 1900, Indonesia was still a densely forested country: forests represented 84 percent of the total land area. Deforestation intensified in the 1970s [1] and has accelerated further since then. The estimated forest cover of 170 million hectares around 1900 decreased to less than 100 million hectares by the end of the 20th century. [2]
a chain saw to cut the tree at its base, and cut it to length. The saw is hydraulically powered, rather than using the 2-stroke engine of a portable version. It has a stronger chain and a higher power output than any saw a person can carry. two or more curved delimbing knives which reach around the trunk to remove branches.
Cut-to-length logging is the process of felling, delimbing, bucking, and sorting (pulpwood, sawlog, etc.) at the stump area, leaving limbs and tops in the forest. Mechanical harvesters fell the tree, delimb, and buck it, and place the resulting logs in bunks to be brought to the landing by a skidder or forwarder. This method is routinely ...
Trees are cut down for use as building material, timber or sold as fuel (sometimes in the form of charcoal or timber), while cleared land is used as pasture for livestock and agricultural crops. The vast majority of agricultural activity resulting in deforestation is subsidized by government tax revenue . [ 89 ]
Slash-and-burn agriculture is a farming method that involves the cutting and burning of plants in a forest or woodland to create a field called a swidden. The method begins by cutting down the trees and woody plants in an area. The downed vegetation, or "slash", is then left to dry, usually right before the rainiest part of the year.
The undercut or notch cut is the guiding or aiming slot for the tree and is a V-shaped notch placed on the side of the tree in the direction of intended fall. [4] The back cut or felling cut is made on the opposite side of the tree of the undercut and is cut through the base of the tree severing the “hinge” holding the tree up. [4]
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Feller is a traditional name for someone who cuts down trees, [1] and bunching is the skidding and assembly of two or more trees. [2] A feller buncher performs both of these harvesting functions and consists of a standard heavy equipment base with a tree-grabbing device furnished with a chain-saw , circular saw or a shear —a pinching device ...