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Key messageUnderstanding the mobility and distribution of chemical elements in wood is necessary to apply dendrochemistry. Crystals are likely stable and could be used to analyze changes in nutrient supply. Abstract Dendrochemistry uses the variation in wood chemical composition to infer about past environmental conditions and possible effects on tree growth. Elemental...
A network of 41 local tree-ring chronologies of oak (Quercus petraea and Quercus robur) in Austria, Hungary, Slovenia, Croatia and Serbia (latitudes 45.00–48.00N, longitudes 13.14–21.63E, altitudes 80–800 m a.s.l.) was constructed and used to establish common climatic signals in oak tree rings in the region. Co-variation of residual chronologies could be resumed in 11 significant principal components...
The development of vascular features in stems of Populus x euramericana was studied in two adjacent floodplain forest stands near the Danube in Austria. The construction of a hydropower plant caused one of the stands to loose contact with the groundwater at the age of 12years, whereas the other stand remained uninfluenced. The investigation estimated the extent of vascular acclimation to altered site...
Larch heartwood is appreciated for its good mechanical properties, its colour and its texture, and it is often used outdoors because of its natural durability (decay resistance). In this study the colour of larch heartwood was studied in relation to extractives and decay resistance, with the aim to estimate durability of larch heartwood from its colour. On a total of 293 trees colour in the CIE L*a*b*...
Abstract. The latewood lignin content, maximum density and total ring width of ten consecutive annual increments were determined in treeline Norway spruce (Picea abies [L.] Karst.) using ultraviolet (UV) microscopy and radiodensitometry, respectively. A positive correlation between the total ring width and the mean temperature of mid-July to August was identified, as was one between the maximum density...
. The latewood lignin content, maximum density and total ring width of ten consecutive annual increments were determined in treeline Norway spruce (Picea abies [L.] Karst.) using ultraviolet (UV) microscopy and radiodensitometry, respectively. A positive correlation between the total ring width and the mean temperature of mid-July to August was identified, as was one between the maximum density and...
AbstractVertical resin duct density in spruce tree-rings was used as a dendroclimatological variable and compared with radial growth. Resin duct density data were statistically stable and distributed with higher mean sensitivity and standard deviation but lower signal-to-noise rate than the corresponding growth rate. Radial growth and resin duct density relationships with climate were investigated...
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