Mixed-Effects Height-Diameter Models for Commercially and Ecologically Important Conifers in Minnesota
Abstract:Mixed-effects height-diameter models are presented for several commercially and ecologically important conifers in Minnesota. After height-diameter measurements are obtained from a plot or stand of interest, these mixed-effects models can be calibrated to produce localized individual tree height estimates. An example of model calibration is provided. The use of three trees for a particular species from a plot to calibrate the model will likely provide 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 may be reasonable.
Document Type: Research Article
Publication date: March 1, 2012
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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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