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Silviculture course teaches how to develop and apply silvicultural prescriptions and learn the effects of these prescriptions on timber and non-timber forest benefits, forest health and biodiversity, soil, and water resources as well as their effect on broader social, economic, and ecological issues. This lecture keywords are: Even-Aged Systems, Even-Aged and Uneven-Aged Systems, Even-Aged and Uneven-Aged Diameter Distributions, Even-Aged Silvicultural System, Uneven-Aged Regeneration Systems, R
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Reverse J-shaped
Bell-shaped (normal distribution)
Reverse J-shaped does not always indicate a true uneven-aged stand (3+ age classes)
Area regulation : this is the simplest, and is fairly easy with a group selection system, but it is difficult with the single-tree approach.
Volume regulation: harvest the allowable cut each cutting cycle -- if a stand is balanced, this is equal to the growth during the cutting cycle period
q =
where, Ni = number of trees in the i th diameter class Ni+1 = number of trees in next largest diameter class
i 1
i N
N