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Mixed-Effects Height-Diameter Models for Commercially and Ecologically Important Hardwoods in Minnesota

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Abstract:

Mixed-effects height-diameter (H-D) models are presented for several commercially and ecologically important hardwoods in Minnesota. After H-D measurements from a plot/stand of interest are obtained, these mixed-effects models can be calibrated to produce localized individual tree height estimates. The use of three trees for a particular species from a plot to calibrate the model provides a reasonable compromise between predictive ability and field-sampling times. If calibrated at the stand level, 3 trees could be used, but larger sample sizes of 10 or 15 for an individual species would be appropriate. To calibrate these models for specific plots/stands, an Excel spreadsheet is available upon request.

Keywords: Acer; Betula; Fraxinus; Populus; Quercus

Document Type: Research Article

DOI: https://doi.org/10.5849/njaf.12-018

Publication date: 2013-03-01

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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