http://www.cnr.it/ontology/cnr/individuo/prodotto/ID99767
Benthic foraminifera and heavy metals distribution: a case study from the Naples Harbour (Tyrrhenian Sea, Ssouthern Italy) (Abstract/Poster in atti di convegno)
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- Benthic foraminifera and heavy metals distribution: a case study from the Naples Harbour (Tyrrhenian Sea, Ssouthern Italy) (Abstract/Poster in atti di convegno) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Alternative label
FERRARO L., SPROVIERI M., ALBERICO I., LIRER F., PREVEDELLO L. , MARSELLA E. (2005)
Benthic foraminifera and heavy metals distribution: a case study from the Naples Harbour (Tyrrhenian Sea, Ssouthern Italy)
in Geoitalia 2005. Quinto Forum Italiano di Scienze della Terra, Spoleto
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- FERRARO L., SPROVIERI M., ALBERICO I., LIRER F., PREVEDELLO L. , MARSELLA E. (literal)
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- Benthic foraminifera are increasingly used as bio-indicators of organic and/or inorganic marine sediment pollution. Moderate to high values of contamination seem well-reflected in detectable modifications of benthic fauna in terms of richness and distribution structure of the assemblage.
Results of grain size analysis, TOC and concentration levels of 11 heavy metals in 90 surficial sediments collected from three docks of the Naples harbour were compared to quantitative analyses performed on the benthic foraminiferal assemblage recorded in the same samples.
Foraminiferal density and species richness decrease with the increasing toxic elements concentrations, particularly Pb, Cu, Cr, Hg, Ni and Zn. Extreme environmental conditions, with concentration values for Ni, Pb, Zn and Hg were reported for the Diaz dock where benthic fauna is totally absent thus suggesting a severe impact of toxic elements on the benthic ecosystem balance.
Compared to the quasi-natural marine sediments of the Granili dock the Levante area, when analysed in terms of heavy metals and benthic foraminiferal assemblage, is characterised by a quasi-oligotypic benthic assemblage dominated by the tolerant A. tepida benthic species that is once again confirmed as a reliable bio-indicator of moderate to high heavy metals pollution of anthropised marine sediments.
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- Centro Interdipartimentale Ricerca e Ambiente (CIRAM) Università degli Studi di napoli \"Federico II\" (literal)
- Titolo
- Benthic foraminifera and heavy metals distribution: a case study from the Naples Harbour (Tyrrhenian Sea, Ssouthern Italy) (literal)
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