Changing stand structure and regional growth reductions in Georgia's natural pine stands
1991
Bechtold, W.A. | Ruark, G.A. | Lloyd, F.T.
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 lobolly, 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.
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