A Comparison of Biomonitoring Methods for the Estimation of Atmospheric Pollutants in an Industrial Town in Austria
- 1 June 2006
- journal article
- research article
- Published by Springer Nature in Environmental Monitoring and Assessment
- Vol. 117 (1-3), 245-259
- https://doi.org/10.1007/s10661-006-0991-y
Abstract
In the period between 1999 and 2000 epiphytic bryophytes were taken as bioindicators for air pollution by use of the IAP method (Index of Atmospheric Purity) and the VDI method within the Association of Engineers standards list (adapted from guideline 3799, 1995) in the heavy industrialized town of Linz, Austria. 52 study sites (265 trees) were analysed regarding species richness, coverage, and vitality. Q-values (sensitivity factors), calculated for each species showed significant differences for the various host tree species. The results gained by the IAP and the VDI methods were diverse, regarding the various sites where only 25% were classified identical. These differences can mainly be attributed to the differing host tree species and the size of the recording area on the various trees. Clusters of similar pollution levels were calculated and drawn as maps for both methods tested. Comparing the results of the IAP and the VDI methods with data derived from technical measurements (SO2, NO, NO2, and dust) a correlation between IAP-indices and SO2 concentrations could be observed. No correlation was detected between the results derived from VDI recording and for NO, NO2, and dust.Keywords
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