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Published byLisa Hunter Modified over 9 years ago
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Shelterwood
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Regeneration cut Modify environment of regen Provide seed source
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Even-age regeneration Length of regeneration time varies by circumstance
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Process Create available growing space for regen –Removal of part of the overstory Remove remaining overstory before growth of regen is overly inhibited
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Stages Prep cut(s) Final removal
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Difference from Thinning Purpose is regeneration Main objective is not future growth of residual stand –Can be secondary objective
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Usually for natural regeneration Can be supplemented with planting –Species –More uniform stocking
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Classic 3-cut Shelterwood
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Money Upfront
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Irregular shelterwood
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Strip shelterwood
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One cut shelterwood
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Framework Age structure Species composition Disturbance regime
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Yield Growth of regen Growth of remaining overstory
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Possibility of carrying some trees into next rotation Not part of “shelterwood” per se A variation worth considering Turns a single cohort stand into a two cohort stand
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Veg Management Difficult Major problem if competition is more shade tolerant than the desired species
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Logging equipment Almost anything can be used Cable on steep slopes can be difficult
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Cost Can be lowest cost Two or more harvests –Increased growth of overstory –Regen can be cheap
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Aesthetically desirable Continuous green cover
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