Heavy metal deposition in the Italian "triangle of death" determined with the moss Scorpiurum circinatum
2009
Basile, A. | Sorbo, S. | Aprile, G. | Conte, B. | Castaldo Cobianchi, R. | Pisani, T. | Loppi, S.
In this study, a biomonitoring project using the moss Scorpiurum circinatum was carried out to evaluate the deposition and biological effects of heavy metals in the area of Acerra (Naples, S Italy), one of the vertices of the sadly called "Italian triangle of death" owing to the dramatic increase in tumours. The results clearly indicated that the study area is heavily polluted by heavy metals, a large proportion of which is likely present in the atmosphere in particulate form. The ultrastructural organization of exposed samples was essentially preserved, but cell membrane pits, cytoplasm vesicles and concentric multilamellar/multivesicular bodies, probably induced by pollution, were found, which may be involved in the tolerance mechanisms to metal pollution in this moss species. Although severe biological effects were not found at the ultrastructural level in the exposed moss, effects on humans, especially after long-term exposure, are to be expected. The moss Scorpiurum circinatum indicates that the "Italian triangle of death" is heavily polluted by heavy metals.
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