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http://dx.doi.org/10.14578/jkfs.2011.100.1.1

Development of Diameter Growth and Mortality Prediction Models of Pinus Koraiensis Based on Periodic Annual Increment  

Kim, Seonyoung (Department of Forest Sciences, Seoul National University)
Seol, Ara (Department of Forest Sciences, Seoul National University)
Chung, Joosang (Department of Forest Sciences, Seoul National University)
Publication Information
Journal of Korean Society of Forest Science / v.100, no.1, 2011 , pp. 1-7 More about this Journal
Abstract
The objective of this study was to improve the performance of the existing individual-tree/distantindependent stand growth model in predicting the growth of Pinus koraiensis forest stands. The parameters of diameter growth and mortality prediction models were estimated using periodic annual increment (PAI) of permanent plots and the performance of the models were compared with that of the existing ones using mean anuual increment (MAI). The diameter growth model includes crown ratio, potential diameter growth and modifier to compute for competitions of trees of a stand. In deriving the mortality prediction model, the parameters were estimated based on PAI which was also estimated as the function of MAI due to the lacking of permanent plot data. The results of this study showed that the newly-estimated functions based on PAI provide more realistic patterns in diameter growth of individual trees. The new approach using PAI in mortality model seems to overcome the over-estimate problem by the MAI-based model in estimating mortality of stand trees.
Keywords
individual-tree stand growth model; diameter growth; mortality; Pinus koraiensis;
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Times Cited By KSCI : 2  (Citation Analysis)
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