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    Choice of the best residual density (basal area per acre) and structure (diameter distribution) for uneven-aged management of northern hardwoods is a complex decision that depends on the manager's decision rules, product objectives, site conditions, and - perhaps most important - current stand conditions. In contrast to other recommendations on residual density and structure, growth information from a study in New Hampshire shows that a residual basal area of 60-80ft?/ac coupled with a sawtimber basal area as low as 25-35ft?/ac (equivalent to a q-ratio of 1.5-2.0) may result in adequate 10 yr board-foot growth responses in previously unmanaged stands on mediocre northern hardwood sites.

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    Leak, William B. 2003. Best density and structure for uneven-aged northern hardwood management in New England. Northern Journal of Applied Forestry. 20(1): 43-44.


    Northern hardwoods, stocking, structure, growth

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