Pollen Viability for Air Pollution Bio-Monitoring |
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| Authors: | Elena Gottardini Fabiana Cristofolini Elena Paoletti Paolo Lazzeri Giancarlo Pepponi |
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| Institution: | (1) Istituto Agrario di San Michele all Adige, Via Mach 2, 38010 S. Michele a/A, Trento, Italy;(2) Istituto Protezione Piante, CNR, Piazzale delle Cascine 28, Firenze, Italy;(3) Istituto Trentino di Cultura – ITC-Irst, via Sommarive 18, 38050 Povo, Trento, Italy |
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| Abstract: | Biological characterization of Corylus avellana L. and Pinus nigra L. pollen samples was carried out to determine the actual value of pollen as a bio-indicator of the effects of atmospheric pollution, using samples from plants naturally developed in sites controlled for air pollution. In Trentino (North Italy), we selected six stations at three different levels of air pollution, which are constantly monitored with automatic gauges by the Environmental Protection Agency of Trento.First results showed that pollen viability of both species, germinability and pollen tube length of P. nigra, were higher in areas with no road traffic compared to heavy traffic ones. Pollen viability of P. nigra was positively correlated to ozone (O3) concentrations and altitude but negatively to sulphur dioxide (SO2), particulate matter with a diameter less than 10  m (PM10), nitrogen oxides (NOx) and nitrogen dioxide (NO2) concentrations. |
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| Keywords: | air pollution biomonitoring germination pollen viability |
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