Forest engineering & harvesting

Forest engineering & harvesting

Forest operations related to engineering and timber harvesting.

Industry: Forest products

Add a new term

Contributors in Forest engineering & harvesting

Become a Contributors

Forest engineering & harvesting

uneven-aged management

Forest products; Forest engineering & harvesting

Silvicultural system in which individual trees originate at different times and result in a forest with trees of all ages and sizes. Harvest cuts are on an individual-tree selection basis.

unloaded deflection

Forest products; Forest engineering & harvesting

Vertical distance between the chord and the unloaded skyline, measured at midspan.

unmerchantable wood

Forest products; Forest engineering & harvesting

Material that is unsuitable for conversion to industrial wood products due to size, form, or quality. May include rough, rotten, and dead trees; the tops, limbs, and cull sections from harvested ...

upper stem portion

Forest products; Forest engineering & harvesting

Sawtimber tree bole extending from above the merchantable top to a minimum 4-inch top diameter outside bark or to the point where the central stems break into limbs.

variable costs

Forest products; Forest engineering & harvesting

Operation costs that result from running a machine, calculated on an hourly basis; includes cost of labor and items such as fuel, oil, wire rope, and replacement parts. Also known as operating costs.