Response of coniferous ecosystems to reduction of SO2 and NOx emission in last decade in Poland
2002
Staszewski, T. (Institute for Ecology of Industrial Areas, Katowice (Poland)) | Uzieblo, A. | Kubiesa, P. | Lukasik, W. | Szdzuj, J.
Five permanent plots in pine and spruce stands were established at beginning of the 90s. The sites were situated in a gradient of air pollution level, from the south to the north of Poland. There are presented changes in SO2 and NO2 concentration in the air as well as loads of acidic compounds and the exceedance of critical loads in the period of 1993-2001. Response of the forest ecosystems was evaluated by changes in health status of trees and changes in biodiversity at forest permanent plots. The comparative study revealed an improvement in the health condition of trees and a tendency of ecosystems to regenerate due to greater than 30% decrease in emission in the last decade
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