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Maintaining proper posture while felling is also important, i.e., kneeling or squatting instead of stooping or bending over with straight legs. [2] [3] The use of improper felling techniques is dangerous, but may also reduce productivity and log supply, leading to increases in production costs in forestry and logging felling applications. [4]
CTL is the primary logging method in European countries, [4] while full-tree logging and the even older technique of tree-length logging are more popular in North America and less developed countries, where tree sizes can exceed the capacity of the harvester's felling head, i.e., tree stems with a butt diameter of over 90 centimeters.
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.
Tree care is the application of arboricultural methods like pruning, trimming, and felling/thinning [1] in built environments. Road verge, greenways, backyard and park woody vegetation are at the center of attention for the tree care industry. Landscape architecture and urban forestry [2] [3] also set high
This technique removes both nutrients and soil cover from the site and so can be harmful to the long-term health of the area if no further action is taken, however, depending on the species, many of the limbs are often broken off in handling so the result may not be as different from tree-length logging as it might seem. [citation needed]
A felled and delimbed tree is cut into logs of standard sizes, a process called bucking. A logger who specialises in this job is a buck sawyer. Bucking may be done in a variety of ways depending on the logging operation. Trees that have been previously felled and moved to a landing with a log skidder are spread out for processing. While many of ...
The tree is turned into logs by removing the limbs (delimbing) and cutting it into logs of optimal length (bucking). The felled tree or logs are moved from the stump to the landing. Ground vehicles such as a skidder or forwarder can pull, carry, or shovel the logs. Cable systems "cars" can pull logs to the landing.
Daisugi (台杉) is a Japanese technique related to pollarding, used on Cryptomeria (sugi) trees. [1] [2] [3] The term roughly translates to "platform cedar". [4] When applied in a silviculture context, the daisugi method requires trunks to be pruned every 2–4 years in order to maintain the straight, clear grain that they are coveted for. [5] [6]