Useful tracer parameters to investigate the environmental conditions in areas of the Venice Lagoon

Zonta, Roberto; Argese, Emanuele; Costa, F.; Zaggia, Luca

doi:10.1007/bf00180021

Cited by 3 publications

(3 citation statements)

References 8 publications

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“…Fourth phase is also known as the oxidable one, it is represented by elements bounded to organic matter and sulphides, which are ubiquitous in reduced transitional environments (Zonta et al, 1995). Results from this work showed the prevalence of the Cu in the fourth phase, reflecting the typical distribution pattern of this element.…”

Section: Accepted Manuscriptmentioning

confidence: 61%

Biogeochemical dynamics and bioaccumulation processes in Manila clam: Implications for biodiversity and ecosystem services in the Ria de Aveiro Lagoon

Breda

Chiesa

Freitas

et al. 2018

Estuarine, Coastal and Shelf Science

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The present work was carried out in the Ria de Aveiro Lagoon (Portugal) to better understand the dynamics driving the bioaccumulation processes in edible bivalves, namely in the Manila clam Ruditapes philippinarum. For the first time, a holistic approach was applied, collecting data on sediment physico-chemical characteristics and its contamination, geochemical speciation and metal(loid) bioaccumulation in clams, from three exploited areas of the lagoon (Costa Nova, Torreira, Ílhavo). The Ria de Aveiro Lagoon is part of the Natura 2000 network, has the designation of Special Protection Area (SPA), contains Sites of Community Importance (SCI), it is protected by the EU Birds Directive (79/109/CEE) and includes a natural reserve in its northern part. Specifically concerning the metal(loid) occurrence, the monitoring and the identification of contaminated sites in protected areas are priorities, to improve the biodiversity conservation efforts and to ensure the correct management of natural resources. Results showed that multiple driving forces interacted together to determine site-specific impacts, resulting in different risks at local scale for the transferring of the metal(loid)s to the trophic chain. Hydrodynamics played a major role driving the occurrence of depositional or ablative sites, influencing the granulometric composition of sediments and their contamination; metal(loid) chemical forms were then determinated by multiple factors like pH, redox potential and organic matter content. The geochemical speciation data showed that the Ílhavo area should be considered the most dangerous in terms of clam consumption, since in case of environmental changes, possible conversion of the elements from the potentially bioavailable forms to the bioavailable ones can occur. Moreover, bioaccumulation processes in Manila clam were observed for Cd, Zn and especially As, the latter representing serious risk for consumer safety throughout clam consumption.

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Section: Accepted Manuscriptmentioning

confidence: 61%

Biogeochemical dynamics and bioaccumulation processes in Manila clam: Implications for biodiversity and ecosystem services in the Ria de Aveiro Lagoon

Breda

Chiesa

Freitas

et al. 2018

Estuarine, Coastal and Shelf Science

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“…Particles are characterized as coarse PM 10 with an aerodynamic diameter between 2.5 μm and 10 μm, or fine PM 2.5 with a diameter of 2.5 μm or less. They derive from various sources.…”

Section: Emissions Activity Surrogate Emissions Activity Emissions Sumentioning

confidence: 99%

“…The environmental parameters should incorporate water, sediment and air quality in addition to species and community characteristics [9,10]. Also, the physicochemical characteristics of the receiving waters into which chemical contaminants will be deposited require consideration as they have potential to influence chemical speciation, mobility as well as pollutant toxicity and bioavailability.…”

Section: Introductionmentioning

confidence: 99%

Maritime pollutants in shipping and commercial European ports based on relevant physical and biogeochemical environmental parameters (IUPAC Technical Report)

Sakellariadou

2015

Pure and Applied Chemistry

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PAH and PCB contamination in the sediments of the Venice Lagoon (Italy) before the installation of the MOSE flood defence works

Cassin

Dominik

Botter

et al. 2018

Environ Sci Pollut Res

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Contamination from polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) in the shallow water areas of the Venice Lagoon (415 km) was investigated in the surface (0-5 cm) and sub-surface (5-10 cm) sediments by collecting cores from 380 sites. The concentrations of 14 PAHs (USEPA priority pollutants) and seven PCB indicator congeners were analysed with high-performance liquid chromatography (HPLC) and capillary gas chromatography (GC), respectively. PAH and PCB concentrations ranged from 2.75 to 9980 ng g d.w. and from 0.01 to 60.1 ng g d.w., respectively. Their concentrations never exceeded the probable effect level (PEL) stipulated in the respective quality guidelines. In addition, the average total PAH levels expressed as B[a]P toxicity equivalents (total TEQ) were lower in the sediments of the Venice Lagoon than in other literature-reported zones in the Mediterranean. PAH profiles and ratios showed that they originated not only largely from high-temperature pyrolytic processes attributable primarily to the burning of fossil fuels but also partly from petroleum spillage. Comparison of tetra-to-hepta PCB congeners enabled the PCB profiles observed in the lagoon environment to be characterised as Aroclor 1254 and 1260 (1:1). Compared to other marine coastal areas and harbours in the Mediterranean, the Venice Lagoon sediments showed a low mean value but a wide range of concentrations. The estimation of PAH and PCB inventories indicated the low contribution of atmospheric deposition relative to local sources.

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Useful tracer parameters to investigate the environmental conditions in areas of the Venice Lagoon

Cited by 3 publications

References 8 publications

Biogeochemical dynamics and bioaccumulation processes in Manila clam: Implications for biodiversity and ecosystem services in the Ria de Aveiro Lagoon

Biogeochemical dynamics and bioaccumulation processes in Manila clam: Implications for biodiversity and ecosystem services in the Ria de Aveiro Lagoon

Maritime pollutants in shipping and commercial European ports based on relevant physical and biogeochemical environmental parameters (IUPAC Technical Report)

PAH and PCB contamination in the sediments of the Venice Lagoon (Italy) before the installation of the MOSE flood defence works

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