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Comparing the Performance of Two Northern Hardwood Growth Projection Systems

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Growth models are increasingly being applied in forest planning and in evaluating management options. With these uses, questions arise about reliability of estimates and limits of application. Two models available for northern forests, the Stand and Tree Evaluation and Modeling System (STEMS) and the Sugar Maple Projection System (SMPS), are evaluated and compared for estimating growth in stands dominated by sugar maple. Based on comparisons of predicted to actual net growth, the generalized model STEMS performed equally well as the specialized model SMPS. Estimates of ingrowth and mortality are less satisfactory for both models. North. J. Appl. For. 3:28-32, Mar. 1986.

Document Type: Journal Article

Affiliations: North Central Forest Experiment Station, P.O. Box 898, Rhinelander, WI 54501

Publication date: 1986-03-01

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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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