Articles | Volume 12, issue 20
https://doi.org/10.5194/bg-12-6205-2015
https://doi.org/10.5194/bg-12-6205-2015
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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Cited articles

Anthoni, P. M., Knohl, A., Rebmann, C., Freibauer, A., Mund, M., Ziegler, W., Kolle, O., and Schulze, E.D.: Forest and agricultural land use dependent CO2 exchange in Thuringia, Germany, Glob. Change Biol., 10, 2005–2019, 2004.
Babst, F., Poulter, B., Trouet, V., Tan, K., Neuwirth, B., Wilson, R., Carrer, M., Grabner, M., Tegel, W., Levanic, T., Panayotov, M., Urbinati, M., Bouriaud, O., Ciais, P., and Frank, D.: Site- and species-specific responses of forest growth to climate across the European continent, Glob. Ecol. Biogeogr., 22, 706–717, https://doi.org/10.1111/geb.12023, 2013.
Babst, F., Bouriaud, O., Papale, D., Gielen, B., Janssens, I.A., Nikinmaa, E., Ibrom, A., Wu, K., Bernhofer, C., Köstner, B., Grünwald, T., and Frank, D.: Above-ground woody carbon sequestration measured from tree rings is coherent with net ecosystem productivity at five eddy-covariance sites, New Phytol., 201, 1289–1303, https://doi.org/10.1111/nph.12589, 2014a.
Barford, C. C., Wofsy, S. C., Goulden, M. L., Munger, J. W., Pyle, E. H., Urbanski, S. P., Hutyra L., Saleska S. R., Fitzjarrald D., and Moore, K.: Factors controlling long-and short-term sequestration of atmospheric CO2 in a mid-latitude forest, Science, 294, 1688–1691, 2001.
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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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