Parameter prediction equations for the Weibull distribution function were developed based on four percentile functions and a parameter recovery method for longleaf pine (Pinus palustris Mill.) in Southwest Georgia. Four percentiles were expressed as functions of stand-level characteristics based on stepwise regression and seemingly unrelated regression. Using a percentile-based parameter recovery method (PCT), estimated diameter distributions were obtained from available stand-level variables. The PCT method was also compared with a cumulative distribution function (CDF) regression method. The PCT method produced consistently better goodness-of-fit statistics than the CDF method. The results indicate that diameter distribution in longleaf pine stands can be successfully characterized with the Weibull function. Copyright © 2009 by the Society of American Foresters.
CITATION STYLE
Jiang, L., & Brooks, J. R. (2009). Predicting diameter distributions for young longleaf pine plantations in southwest Georgia. Southern Journal of Applied Forestry, 33(1), 25–28. https://doi.org/10.1093/sjaf/33.1.25
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