| Summary: | Stand density management diagrams (SDMDs) provide a useful means of predicting the consequences of alternative density management regimes. The specific objectives of this project were to create a SDMD that could (a) be applied to mixed balsam fir-black spruce stands, and (b) allow structural predictions beyond the typical 60 yr pulpwood rotation period. We constructed the SDMD using data from 129 horizontal point samples from 24 stands and 17 permanent sample plot measurements within 9 stands, located in western and central Newfoundland. The model has not been tested with an independent data set, and should therefore be viewed as a first approximation. We further discuss the diagram's applicability, and provide an example of its utility by demonstrating a precommercial thinning treatment versus no treatment scenario. North. J. Appl. For. 15(1):17-22.
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