Quercus ilex as bio-indicator of metal pollution in the area of the Terni, Italy
| Autor: | Loretta Gratani, Rosangela Catoni, Romina Quondam Luigi, Donatella Bartoli, M. F. Crescente, Federica Rocchi, Gaia Piccini, Ilaria Rita Guiducci, Laura Varone |
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| Rok vydání: | 2018 |
| Předmět: |
Pollutant
010504 meteorology & atmospheric sciences Leaf mass 010501 environmental sciences Particulates Metal pollution Management Monitoring Policy and Law 01 natural sciences Pollution Metal Atmosphere visual_art Environmental chemistry visual_art.visual_art_medium Environmental science Waste Management and Disposal 0105 earth and related environmental sciences |
| Zdroj: | International Journal of Environment and Pollution. 64:328 |
| ISSN: | 1741-5101 0957-4352 |
| Popis: | Trees are effective scavengers of both gaseous and particulate pollutants from the atmosphere. The objective of this research was to evaluate heavy metal pollution in the territory of the steel factory 'Acciai Speciali Terni S.p.A' (Italy) by monitoring Quercus ilex trees naturally growing in the area. Measurements were carried out at three sites (site 1, 2 and 3) at different distances from the steel factory (1.9, 2.3 and 7.2 km from the factory, respectively). The most part of the metals (As, Ba, Cd, Cr, Fe, Ni, Pb, V and Zn) had a decreasing trend from site 1 to site 3. Among them, Cr showed the highest decrease (97%) and Zn the lowest (44%). At a morphological level, leaf mass area (LMA) was lower at site 3 (12.9±1.0 mg cm‒2) than at site 1 (14.9±1.1 mg cm‒2). The same trend was observed for leaf thickness significantly decreasing by 38% from site 1 to site 3. Overall, the results highlighted a high responsiveness of Q. ilex, making it a good bio-indicator for the long-term monitoring of metal concentration variations in the territory of the steel factory. |
| Databáze: | OpenAIRE |
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