Representative heights for assessing whole-tree values of cell-type proportions in Eucalyptus camaldulensis and E. globulus

Jyunichi Ohshima, Kazuya Iizuka, Futoshi Ishiguri, Shinso Yokota, Toshihiro Ona

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Eucalyptus camaldulensis Dehnh. and E. globulus Labill. are economically important species for wood and pulpwood materials. Representative heights for assessing whole-tree values of cell-type proportions (vessels, fibers, ray and axial parenchyma percentages) using increment cores were examined by analysis of within-tree variations. Pattern differences were evaluated between trees and species in both radial and axial directions by statistical data analysis (Moses test). In E. camaldulensis, within-tree variation of vessel percentage was generally higher in the upper and outer regions of the trunk. In contrast, E. globulus within-tree variation was unclear. In both species, although no clear pattern of fiber percentages was observed, within-tree variations of ray and axial parenchyma levels were higher in the lower and inner regions. Significant differences in patterns were observed in the axial variation between species for vessel percentages and in the radial variation between trees of E. camaldulensis for ray parenchyma percentages. The representative heights for assessing whole-tree cell-type proportions were 0.8 m above the ground for E. camaldulensis and 2.8 m for E. globulus, regardless of differences in tree height and pattern of within-tree variation of cell-type proportions.

元の言語英語
ページ(範囲)885-900
ページ数16
ジャーナルJournal of Forestry Research
31
発行部数3
DOI
出版物ステータス出版済み - 6 1 2020

All Science Journal Classification (ASJC) codes

  • Forestry

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