Biogeosciences
Biogeosciences
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Articles | Volume 12, issue 20
Articles | Volume 12, issue 20
https://doi.org/10.5194/bg-12-6205-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-6205-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 20
Research article
 | 
29 Oct 2015
Research article |  | 29 Oct 2015

Influence of wood density in tree-ring-based annual productivity assessments and its errors in Norway spruce

O. Bouriaud, M. Teodosiu, A. V. Kirdyanov, and C. Wirth

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Short summary
Annual variations in wood density partially compensated ring-width variations in Picea abies. If neglected, annual biomass increment was underestimated by up to 15%. The relative prediction interval of plot-level annual biomass increment ranged from 20 to 40%. The uncertainty related to the allometric models parameters was only about 10%. The errors related to variations in wood density were much larger, the biggest component being the variability between trees.
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