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Generalized additive models as an alternative approach to the modelling of the tree height-diameter relationship
nonparametric method Norway spruce Petterson function
2015/7/2
Generalized additive models were tested using three types of smoothing functions as an alternative for
modelling the height curve. The models were produced for 23 forest stands of Norway spruce (Pic...
Diameter at breast height-crown diameter prediction models for Picea orientalis
Crown diameter diameter-crown diameter model oriental spruce regression analysis
2010/9/10
Seven models for predicting crown diameter using diameter at breast height were tested for Picea orientalis L. (Link.) in Artvin. Data were obtained from 4208 trees measured on 117 temporary sample pl...
Influence of Stem Height on Internal Morphological Properties of Oriental Spruce [Picea orientalis（L.）Link.] Wood
Stem Height Internal Morphological Properties Oriental Spruce [Picea orientalis（L.）Link.] Wood
2009/1/16
In this study, the influence of stem height on the internal morphological properties of the Oriental spruce [Picea orientalis (L.) Link.] were investigated. Sample trees of 36-44 cm in diameter and 1...