Road changing i.s the activity of moving operating lines
on a cable yarding operation to permit access to logs in an
unyarded portion of a logging unit. The time required to
perform this activity varies widely and may consume a significant
portion of the total yarding time.
With rising costs...
The experiment described in this paper was designed and carried out to study the ability of five provenances of white spruce of acid soil origin and five provenances of basic soil origin grown on an did and a basic soil to utilize and respond to the five macro-nutrient elements N,...
As the demands for forest products increase, additional timber harvesting operations can be expected on steep mountainous terrain, The resulting disruption of natural slope stability by man's disturbances (roadbuilding, logging and vegetative manipulation, etc.) may also accelerate mass movement processes in this terrain. Swanston (1969) defines mass movement as ".,...