Discussion Paper: Changing Stand Structure and Regional Growth Reductions in Georgia's Natural Pine Stands
Authors: Bechtold, W. A.; Ruark, G. A.; Lloyd, F. T.
Source: Forest Science, Volume 37, Number 2, 1 June 1991 , pp. 703-717(15)
Publisher: Society of American Foresters
Abstract:Forest Inventory and Analysis (FIA) data indicate reductions in the growth of naturally regenerated pines in Georgia between the two latest measurement periods (1961-72 vs. 1972-82). Analysis of Covariance was used to adjust stand-level basal area growth rates for differences between periods in stand age, stand density, site index, mortality, and hardwood competition. The adjusted mean growth of pines during the later period declined by 19% for natural loblolly, 28% for natural shortleaf, and 28% for natural slash pine stands. The factor(s) causing the reductions remain unidentified, but differences in stand structure are not likely responsible. For. Sci. 37(2):703-717.
Document Type: Discussion
Publication date: June 1, 1991
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