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Articles by Lars Björklund

Category : Research article

article id 662, category Research article

Lars Björklund. (1999). Identifying heartwood-rich stands or stems of Pinus sylvestris by using inventory data. Silva Fennica vol. 33 no. 2 article id 662. https://doi.org/10.14214/sf.662

Keywords: Pinus sylvestris; sapwood; heartwood; wood utilisation

Abstract | View details | Full text in PDF | Author Info

Variations in heartwood percentage, heartwood radius and sapwood width, within and between stands of Scots pine (Pinus sylvestris L.), were analysed using a database of 198 CT-scanned (computer tomography) stems from 33 research plots (stands) throughout Sweden. Heartwood percentage varied greatly both between individual trees and between stands, and correlated poorly to site, stand and tree variables. This implies that it seems unfeasible to identify heartwood-rich stands or stems, e.g., for production of heartwood products, by using inventory data. Heartwood formation expressed as the number of new heartwood rings formed each year was found to increase with increasing cambial age, from about 0.5 rings per year at a cambial age of 45 years, to about 0.8 rings per year at a cambial age of 115 years.

Björklund, Swedish University of Agricultural Sciences, Department of Forest Management and Products, S-750 07 Uppsala, Sweden E-mail: lars.bjorklund@sh.slu.se

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Huuri O., (1965) The effects of storage in cones on the viability.. Acta Forestalia Fennica vol. 78 no. 5 article id 7158 (remove) | Edit comment

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Ruel J. J., Ayres M. P. (1996) Variation in temperature responses among populat.. Silva Fennica vol. 30 no. 2–3 article id 5582 (remove) | Edit comment

Heliövaara K., Väisänen R. et al. (1991) Quantitative biogeography of the bark beetles (C.. Acta Forestalia Fennica vol. 0 no. 219 article id 7606 (remove) | Edit comment

Kangas A., Mehtätalo L. et al. (2007) Modelling percentile based basal area weighted d.. Silva Fennica vol. 41 no. 3 article id 282 (remove) | Edit comment

Calama R., Montero G. (2005) Multilevel linear mixed model for tree diameter .. Silva Fennica vol. 39 no. 1 article id 394 (remove) | Edit comment

Laitakari E., (1959) The first half century of the Society of Forestr.. Acta Forestalia Fennica vol. 70 no. 2 article id 7492 (remove) | Edit comment

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