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This Concept Map, created with IHMC CmapTools, has information related to: 5c. Gingrich-style density management diagrams, Trees per acre allows density to be approximated with Estimate average stand diameter, "C" line is the lowest stand density expected to reach canopy closure in less than 10 yr, Basal area per area allows density to be approximated with Estimate average stand diameter, equations relating Crown width to DBH for isolated trees, Gingrich-style Density-mamagement Diagrams has 3 significant lines, 57% = canopy closure calculated with equations, 57% = canopy closure is the "B" line, Gingrich-style Density-mamagement Diagrams graduated in terms of Fractions of TAR, Tree-area ratio (TAR) is the basis for Gingrich-style Density-mamagement Diagrams, Estimate average stand diameter error determined to be < 10%, 3 significant lines "C" line, 100% = normal density is About 70-80% of maximum stand density at the boundary of full-site occupancy, 3 significant lines "B" line, Fractions of TAR 100% = normal density, Fractions of TAR plotted as a function of Trees per acre, Basal area per area allows density to be approximated with Horizontal point sampling, Horizontal point sampling error determined to be < 10%, Trees per acre allows density to be approximated with Horizontal point sampling, Fractions of TAR 57% = canopy closure, Fractions of TAR plotted as a function of Basal area per area