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Impact of Air Pollutants on Above-Ground Plant Parts of Forest Trees

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Air Pollution and Ecosystems

Summary

Impact of air pollutants on forest ecosystems is a well known phenomenon which has been observed for over 100 years in the case of sulfur dioxide and which includes other gaseous pollutants such as HF, NOx, O3, heavy metals and, more recently, inorganic acids as well as organic substances. With increasing efforts to reduce the air pollution burden, the pollution environment has changed considerably during the last decade. While sulfur dioxide emissions have stayed more or less constant and will be markedly reduced in the near future, secondary air pollutants such as photochemical oxidants have gained importance with respect to vegetation effects, due to increased emissions of nitrogen and organic compounds as precursor substances and the long range transport of these pollutants. Oxides of nitrogen and sulfur also undergo chemical reactions in the atmosphere to form acidic products which are considered increasingly deleterious to forest ecosystems. The impact of gaseous air pollutants on above-ground plant parts of trees is discussed with emphasis on low concentrations such as those present in forests remote from industrial areas. Special attention is given to air pollutant interactions.

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    Georg H. M. Krause

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Krause, G.H.M. (1988). Impact of Air Pollutants on Above-Ground Plant Parts of Forest Trees. In: Mathy, P. (eds) Air Pollution and Ecosystems. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4003-1_21

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