helicopter yarding

helicopter yarding

[′hel·ə‚käp·tər ¦yard·iŋ]
(forestry)
A technique that uses a helicopter to bring logs from a forest to a wide level spot along a road where the logs can be loaded onto trucks for hauling to a sawmill; used where steep terrain and unstable ground makes it impossible to build roads without damaging watersheds.
References in periodicals archive ?
Clear-cutting Douglas fir with helicopter yarding and calling it restoration is disingenuous.
Production rates and costs for cable, balloon, and helicopter yarding systems in old-growth Douglas fir.
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