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EnglishDredging activities can lead to the re-suspension of contaminated sediments, resulting in a potential hazard for the whole ecosystem and also for human health. Six-month active biomonitoring was performed in order to monitor the trends of different classes of both legacy (organochlorine - OCPs - and organophosphate (OPs) compounds and polychlorinated biphenyls - PCBs) and emerging (polybromodiphenyl ethers - PBDE - and per- and polyfluoroalkyl substances - PFASs) organohalogen compounds, as well as polycyclic aromatic hydrocarbons (PAHs), in blue mussel (Mytilus edulis spp.) specimens transplanted at different depths in the Flekkefjord fjord. Such biomonitoring was performed to evaluate the efficacy of sediment restoration activities and to check for the potential environmental risk for the biota and food safety for human seafood. Negligible contamination by OCPs, OPs, PBDEs and PFASs was noted in mussels over the 6-month biomonitoring, while a notable increase in the concentrations of PCBs and PAHs occurred in mussels transplanted at 15 m depth in three sampling sites within the fjord, as a consequence of an undersea landslide which occurred during restoration activities. Levels of PCBs and PAHs suggested a potential risk for mussel predators and also for the human health, as they exceeded the limit set by the European Commission for the consumption of bivalve molluscs. These results confirm the reliability of active biomonitoring to flank dredging activities aimed at ecosystem restoration in order to monitor the trend of contaminants and to estimate the potential risk for the aquatic communities and human health.
| Titolo: | Incidence of persistent contaminants through blue mussels biomonitoring from Flekkefjord fjord and their relevance to food safety |
| Autori: | PANSERI, SARA (Secondo) CHIESA, LUCA MARIA (Ultimo) |
| Parole Chiave: | Biomonitoring; PAHs; blue mussel; food safety; organohalogen compounds |
| Settore Scientifico Disciplinare: | Settore VET/07 - Farmacologia e Tossicologia Veterinaria Settore BIO/07 - Ecologia Settore VET/04 - Ispezione degli Alimenti di Origine Animale |
| Data di pubblicazione: | 3-mag-2020 |
| Rivista: | |
| Tipologia: | Article (author) |
| Data ahead of print / Data di stampa: | 16-mar-2020 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1080/19440049.2020.1730986 |
| Appare nelle tipologie: | 01 - Articolo su periodico |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Flekkefjord manuscript_R1_clean.pdf | Post-print, accepted manuscript ecc. (versione accettata dall'editore) | Embargo: 03/11/2021 Richiedi una copia | ||
| Parolini at al., 2020.pdf | Publisher's version/PDF | Administrator Richiedi una copia |
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