J. For. Sci., 2007, 53(12):548-554 | DOI: 10.17221/2166-JFS

Allometric relationships for surface area and dry mass of young Norway spruce aboveground organs

R. Pokorný, I. Tomášková
Laboratory of Plants Ecological Physiology, Institute of Systems Biology and Ecology, Academy of Sciences of the Czech Republic, Brno, Czech Republic

Tree-level allometric functions for a precise predicting of stem, branch and leaf mass and surface area of three needle-shoot age classes were estimated from measurements of crown and stem dimensions in 34 harvested Norway spruce (Picea abies [L.] Karst.) trees. Trees were grown within a 16-years-old stand in the Beskids Mountains. The results showed stem parameters (stem diameter at breast height - dbh, stem volume - Vs and stem sapwood area - SA) to be highly correlated (r > 0.98) with stem mass/area and total aboveground mass of tree. Crown parameters - volume (Cv) and surface area (Ca) were the best predictors for individual branch and needle age-classes mass (r > 0.92) or area (r > 0.85), specifically for mass and surface areas of young branches and needles. dbh most correctly predicted the branch and leaf mass/surface area of older (> 2 years) shoots. The measured parameters: dbh, SA, tree height, crown length, Ca and Cv showed a high dependence on the tree position within the stand (r > -0.81). Thus, these parameters could be modified by silviculture.

Keywords: allometry; biomass; Picea abies; sapwood; surface area

Published: December 31, 2007  Show citation

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Pokorný R, Tomášková I. Allometric relationships for surface area and dry mass of young Norway spruce aboveground organs. J. For. Sci. 2007;53(12):548-554. doi: 10.17221/2166-JFS.
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