Umwelt Environment TRACE – Tree Rings in Archaeology, Climatology and Ecology Volume 5 Proceedings of the DENDROSYMPOSIUM 2006 April 20th – 22nd 2006, Tervuren, Belgium GESELLSCHAFT FÜR JAHRRINGFORSCHUNG ASSOCIATION FOR TREE-RING RESEARCH Edited by: Kristof Haneca, Anouk Verheyden, Hans Beeckman, Holger Gärtner, Gerd Helle, Gerhard Schleser