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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Augustaitis, Algirdas;Augustaitienė, Ingrida;Kliučius, Almantas;Pivoras, Gintaras;Šopauskienė, Dalia;Girgždienė, Raselė
Title: The seasonal variability of air pollution effects on pine conditions under changing climates
Is part of: European Journal of Forest Research. , 2010, Vol. 129, N 3
Extent: p. 431-441
Date: 2010
Abstract: The multiple-stressor effects of air pollution, nutrient and water availability are the key issues of present forest ecosystem research. However, too little is known about the seasonal effect of pollutants on tree crown defoliation and their interaction with changes in climate. Therefore, data on seasonal variation in air pollution, including surface ozone, deposition of acidifying compounds and meteorological conditions, were tested against pine defoliation to identify the periods when the effect of the considered contaminants is most pronounced. The findings of the study revealed that a higher level of air concentrations of acidifying pollutants and their deposition was observed during the dormant period, with the exception of only ΣNH4+ air concentrations and their monthly deposition. An increase in precipitation over the vegetation period and mean monthly temperature from September to December, as well as a decrease in temperature and precipitation over the remaining months of the dormant period represented the climate change condition over the 14-year period in the observed region. Detected changes in the considered parameters during the dormant period were found to be most significant to changes in pine crown defoliation. Therefore, we concluded that climate changes, if they occur by the detected scenarios, should mitigate the negative effect of air pollutants and acid deposition on pine crown condition
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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