Abstract：
:Recent monitoring data indicate that portions of Italy's Venice Lagoon ecosystem have been degraded due to biological and chemical pollution from a variety of potential sources. Using polychlorinated dibenzo-p-dioxin (PCDD) and dibenzofuran (PCDF) data collected from sediment, fish and shellfish in the Lagoon, a screening-level ecological risk assessment (ERA) was performed to evaluate the risks to representative aquatic biota and wildlife receptors. Risks to aquatic invertebrates posed by PCDD/Fs in sediment were evaluated by comparing measured tissue concentrations in fish and shellfish to appropriate ecotoxicological reference values. For mammalian and avian receptors, risks posed by theoretical exposures to PCDD/Fs through the food chain were calculated using conservative wildlife exposure models. Results of the screening-level approach indicate that the potential for adverse effects to fish and aquatic invertebrate receptors from PCDD/Fs in surficial sediments are unlikely. Adverse effects to wildlife are possible but highly uncertain, and warrants further investigation in a more comprehensive ERA.
journal_name
Chemospherejournal_title
Chemosphereauthors
Wenning R,Dodge D,Peck B,Shearer K,Luksemburg W,Della Sala S,Scazzola Rdoi
10.1016/s0045-6535(99)00367-7subject
Has Abstractpub_date
2000-05-01 00:00:00pages
1179-87issue
9-11eissn
0045-6535issn
1879-1298pii
S0045-6535(99)00367-7journal_volume
40pub_type
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