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    Author(s): Laura S. Kenefic; R.D. Nyland
    Date: 1999
    Source: Northern Journal of Applied Forestry. 16: 43-47.
    Publication Series: Scientific Journal (JRNL)
    Station: Northeastern Research Station
    PDF: View PDF  (123.8 KB)


    Sugar maple (Acer saccharum Marsh.) height-diameter and age-diameter relationships are explored in a balanced uneven-aged northern hardwood stand in central New York. Results show that although both height and age vary considerably with diameter, these relationships can be described by statistically valid equations. The age-diameter relationship compares favorably to one reported by Tubbs (1977) for sugar maple in unmanaged (virgin) northern hardwoods, suggesting that periodic cuttings improved growing conditions in our stand. Deliberate attempts to control size-class distribution and tree spacing should continue to increase diameter growth rates and decrease the time needed to reach certain threshold tree sizes. Growth rates that can be reasonably expected in this and similarly structured stands are provided. Lastly, a wide range of heights and diameters are documented, confirming the structural complexity associated with the balanced selection system. An equation to predict sugar maple height from diameter is provided and may prove useful when assessing habitat or visual characteristics of complex uneven-aged stands.

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    Kenefic, Laura S.; Nyland, R.D. 1999. Sugar maple height-diameter and age-diameter relationships in an uneven-aged northern hardwood stand. Northern Journal of Applied Forestry. 16: 43-47.

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