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Provenancing Baltic timber from art historical objects: success and limitations
Institution:1. Ghent University, Department of Forest and Water Management, Laboratory of Wood Technology, Coupure Links 653, 9000 Gent, Belgium;2. Nicolaus Copernicus University, Institute for the Study, Conservation and Restoration of Cultural Heritage, Laboratory of Dendrochronological Research, Ul. Sienkiewicza 30/32, 87-100 Torun, Poland;3. Africamuseum, Laboratory for Wood Biology and Xylarium, Leuvensesteenweg 13, 3080 Tervuren, Belgium;1. Swiss Federal Research Institute, WSL, Birmensdorf, Switzerland;2. Oeschger Centre for Climate Change Research, Bern, Switzerland;3. Institute of Plant and Animal Ecology UD RAS, Yekaterinburg, Russia;4. ETH Zurich, Institute of Terrestrial Ecosystems, Zurich, Switzerland;5. Dendrolab.ch, Bern University, Bern, Switzerland;6. Johannes Gutenberg University, Mainz, Germany;7. Iceland Forest Service, Reykjavik, Iceland;8. V.N Sukachev Institute of Forest SB RAS, Krasnoyarsk, Russia;9. Stolby National Wildlife Nature Reserve, Krasnoyarsk, Russia;10. Siberian Federal University, Krasnoyarsk, Russia;11. North-Eastern Federal University, Yakutsk, Russia;12. Melnikov Permafrost Institute, Yakutsk, Russia;13. Institute of Geography, RAS, Moscow, Russia;14. Institute for Forest Sciences IWW, University of Freiburg, Freiburg, Germany;15. Global Change Research Centre AS CR, Brno, Czech Republic;1. Department of Biochemistry, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand;2. Medical Genetic Section, National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand;3. Institute of Forensic Medicine, Police General Hospital, Royal Thai Police, Bangkok 10330, Thailand;4. Laboratory for Genotyping Development, Center for Genomic Medicine, RIKEN Yokohama Institute, Kanagawa 230-0045, Japan;1. Cluster of Excellence ROOTS, Kiel University, Leibnizstr. 3, 24118 Kiel, Germany;2. L’Atelier d’Histoire, 05330 Saint-Chaffrey, France
Abstract:During the Middle Ages northern Belgium and The Netherlands were gradually deforested. A steadily rising demand for quality timber obliged merchants to look for new timber sources. From the 13th century onwards, large volumes of timber were imported from surrounding regions and, despite the remote supply area, merchants of the Hanseatic League managed to organize a huge timber trade from towns around the Baltic Sea.Trees from forests along the Vistula River seem to have been exported via Gdansk, first to Bruges and later to Antwerp. At their final destination the imported wood assortments were highly appreciated for shipbuilding and construction purposes, but also by woodcarvers and famous painters.Over the last decade dendrochronologists have established a dense network of historical site chronologies for northern and central Poland. These site chronologies are supposed to reflect local growth conditions and may allow the identification of the provenance of the wood of many art historical objects made out of Baltic timber.Tree-ring patterns of panel paintings and sculptures, mainly from the 14th–16th centuries, were measured and compared to this data set of site chronologies. An evaluation of the accuracy of sourcing medieval Baltic timbers using standard correlation techniques was made. The identification of provenance enriches historical information on logging activity and timber trade around the Baltic Sea during the Middle Ages.
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