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Research Branch Staff Publications

The Effect of the Silviculture Survey Parameters on the Free-Growing Decision Probabilities and Projected Volume at Rotation

Citation:
Bergerud, W.A. 2002. The Effect of the Silviculture Survey Parameters on the Free-Growing Decision Probabilities and Projected Volume at Rotation B.C. Min. For. Land Manage. Handb. No. 50. 32 p.
Abstract:
This handbook discusses the silviculture survey system used by the B.C. Ministry of Forests to assess stands for free-growing status. The silviculture survey system is reviewed, and the decision curve as a statistical tool to assess risk is explained. Decision curves are used to explore the effects of changes to survey parameters, as determined by a simulation study of homogeneous stem maps.

Projected volumes for homogeneous lodgepole pine stands (based on TASS, a growth and yield model) are also presented and discussed. The simulation study did not investigate the effects of disease, infestation, or brush competition on volume: all trees were assumed to be healthy and unimpeded by vegetation.

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