Reductions in tree-ring widths of silver fir (Abies alba Mill.) as an indicator of air pollution in southern Poland

Łuszczyńska Katarzyna (), Wistuba Małgorzata and Malik Ireneusz
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Łuszczyńska Katarzyna: Department of Reconstructing Environmental Change, Faculty of Earth Sciences, University of Silesia in Katowice, Będzińska Str. 60, 41-200Sosnowiec, Poland
Wistuba Małgorzata: Department of Reconstructing Environmental Change, Faculty of Earth Sciences, University of Silesia in Katowice, Będzińska Str. 60, 41-200Sosnowiec, Poland
Malik Ireneusz: Department of Reconstructing Environmental Change, Faculty of Earth Sciences, University of Silesia in Katowice, Będzińska Str. 60, 41-200Sosnowiec, Poland

Environmental & Socio-economic Studies, 2018, vol. 6, issue 3, 44-51

Abstract: The aim of the study was to investigate how the emission of pollutants to the atmosphere from the late 19th century until modern times has been recorded in rings of silver fir trees growing in southern Poland. Samples were collected from 24 firs growing in the Beskid Niski Mountains (Western Carpathians). Using a Pressler borer, a single core was collected from each tree. Within the samples, tree-ring widths were measured. On this basis, reductions of tree-ring widths were calculated and subsequently divided into three classes according to their severity. Study results indicate that growth reductions at the site studied were influenced by the pollution emitted from the now-defunct Central Industrial Region, which developed most rapidly from 1920 to 1940, and began to decline after World War II. These emissions were probably responsible for reductions in the trees sampled in the years 1928–1947. On the other hand, reductions of tree-ring widths dating from 1951 to 1989 were caused by the post-war development of heavy industry throughout Poland, and in particular in the Upper Silesian Industrial Region, which developed at its most rapid rate from 1960 to 1990. The results obtained demonstrate that reductions of tree-ring widths in the silver firs studied are related to industrial air pollution in the 20th century. As industrial production declined and environmentally friendly technologies were introduced in the early 1990s, air pollution levels decreased and an increase in tree-ring widths followed in the silver firs studied. Further reductions of tree-ring widths have been observed in recent years (since 2009), which may be caused by air pollution due to low-stack emissions from domestic boilers. The analysis conducted demonstrates that a reduction in tree-ring widths in silver fir is a sensitive bioindicator of air pollution.

Keywords: tree ring reductions; air pollution; environmental monitoring; southern Poland (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:enviro:v:6:y:2018:i:3:p:44-51:n:6

DOI: 10.2478/environ-2018-0022

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