Abstract
In the first presentation I, Johnsen described the relation between lichen distribution and atmospheric pollution in Denmark. Though the trends on a regional scale were difficult to interpret, there was a clear reduction in species diversity as one approached urban areas. This was mainly due to lichen sensitivity to gaseous pollutants. The effect of acid rain was not thought to be large in this. Johnsen emphasised the need for long term studies (10 to 20 years) since changes in plant and animal populations often require such time scales for detection.
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© 1980 Plenum Press, New York
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Fowler, D., Rippon, J.E. (1980). B. Direct Effect of Atmospheric Deposition on Plant Growth. In: Hutchinson, T.C., Havas, M. (eds) Effects of Acid Precipitation on Terrestrial Ecosystems. NATO Conference Series, vol 4. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3033-2_42
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DOI: https://doi.org/10.1007/978-1-4613-3033-2_42
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-3035-6
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