Plot, stand, and covertype aggregation effects on projections with an individual tree based stand growth model.
1980-07-07
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Plot, stand, and covertype aggregation effects on projections with an individual tree based stand growth model.
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1980-07-07
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University of Minnesota
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Report
Abstract
A distance-independent individual-tree-based growth model (MFPS) was used to project changes in stand structure on aspen, red pine, and jack pine covertypes in northern Minnesota for 37 years. Individual .058 ha plot projections, projections of plots aggregated within stands, and projections of plots aggregated within covertypes were compared to each other and to observed plot conditions. Actual plot observations were available for up to 17 years. Individaul plot, stand, and covertype aggregations produced very similar projections in terms of number of trees, average diameter, basal area, and biomass. Plot by plot projections were most accurate in comparison with observed conditions, followed by stand and then covertype aggregations. Differences from actual values and among projections generally increased with longer projections.
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Research supported by the College of Forestry and the Agricultural Experiment Station, Institute of Agriculture, Forestry and Home Economics, University of Minnesota, St. Paul, Minnesota.
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Moeur, Melinda; Ek, Alan R.. (1980). Plot, stand, and covertype aggregation effects on projections with an individual tree based stand growth model.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/5873.
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