Abstract :
[en] This study reports the variation of tree-ring widths and annual variation of concentration of
metals (Na, Mg, Fe, Ni, Cu, Zn, Pb) in pine growing nearby chemical factories. The conifers (Pinus
silvestris L.) investigated in this study covered the time span from 1920s to 2010 AD. Tree-ring
widths were measured, dated and rechecked using the COFECHA. Radial trace-element profiles were
determined by Laser Ablation Inductively Coupled Plasma Mass Spectrometry. The combined usage
of tree ring width and chemical composition of wood provides historic records of anthropogenic im-
pact on the environment and allows identifying the behavior adaptation of trees to the pollution. Data
of pine tree cores collected from the sites nearby chemical factories show increasing levels of pollu-
tion linked to the increasing of industrial activities in Poland and subsequent dust fallout around the
site. This study evidences that tree rings can be used as archives of past environmental contamination.
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