The health and nutritional status of Norway spruce stands in the Krušné hory Mts. 15 years subsequent to the extreme winter of 1995/96

B. Lomský, V. Šrámek and R. Novotný
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B. Lomský: Forestry and Game Management Research Institute, Jíloviště-Strnady, Czech Republic
V. Šrámek: Forestry and Game Management Research Institute, Jíloviště-Strnady, Czech Republic
R. Novotný: Forestry and Game Management Research Institute, Jíloviště-Strnady, Czech Republic

Journal of Forest Science, 2013, vol. 59, issue 9, 359-369

Abstract: Since 1994, the nutritional status and the air pollution load have been evaluated on 20 research plots, located in young Norway spruce stands in the ridge area of the Krušné hory Mts. The most recent acute damage to the spruce stands, in the winter of 1995/96, was connected with a long-lasting inversion situation in the eastern area of the Krušné hory Mts. Today, the health status of the spruce stands, expressed in terms of the crown defoliation, has recovered and is comparable to that found in other regions of the Czech Republic. The sulphur and fluorine content of the needles has decreased significantly. The long-term negative effect of acid deposition that contributes to the degradation of forest soils remains an important part of stressors acting on forest ecosystems in the region. In recent years, nitrogen and sulphur concentrations in the needles have increased slightly again. A long-term tendency towards a decrease in the phosphorus, calcium and potassium content of the needles was detected.

Keywords: forest health; tree nutrition; air pollution; Ore Mts (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:59:y:2013:i:9:id:37-2013-jfs

DOI: 10.17221/37/2013-JFS

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