Assessment of ecological risk from bioaccumulation of PCDD/Fs and dioxin-like PCBs in a coastal lagoon

Micheletti, Christian; Critto, Andrea; Marcomini, Antonio

doi:10.1016/j.envint.2006.06.023

Cited by 55 publications

(40 citation statements)

References 35 publications

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“…3c). The relative importance of non-industrial sources of OCDD, notably tributaries, was 40-80% greater far from the central lagoon (25%) which is consistent with the results of Micheletti et al (2007). Thus, the dominant sources of OCDD/F, Pb and Cu in the northern lagoon, with the exception of areas adjacent to tributaries (segment 2), were estimated to be in-place pollution and current industrial loadings.…”

Section: Source Apportionmentsupporting

confidence: 78%

“…Contaminant loadings to the Venice Lagoon peaked between the 1950s and 1980s during a time of rapid industrialisation (Frignani et al, 2001(Frignani et al, , 2005. Although loadings have declined since the 1980s, likely due to the introduction of legislative controls and improved technologies (Frignani et al, 2001(Frignani et al, , 2004, present contaminant levels in the lagoon are still of concern due to the elevated concentrations within the industrial canals and the potential health risk posed by consuming clams and fish (Micheletti et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

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Contaminant fate and transport in the Venice Lagoon: Results from a multi-segment multimedia model

Sommerfreund

Gandhi

Diamond

et al. 2010

Ecotoxicology and Environmental Safety

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a b s t r a c tContaminant loadings to the Venice Lagoon peaked from 1950s-1980s and although they have since declined, contaminant concentrations remain elevated in sediment and seafood. In order to identify the relative importance of contaminant sources, inter-media exchange and removal pathways, a modified 10-segment fugacity/aquivalence-based model was developed for octachlorodibenzodioxin/furan (OCDD/F), PCB-180, Pb and Cu in the Venice Lagoon. Results showed that in-place pollution nearby the industrial area, current industrial discharges, and tributary loadings were the main sources of contaminants to the lagoon, with negligible contributions from the atmosphere. The fate of these contaminants was governed by sediment-water exchange with simultaneous advective transport by water circulation. Contaminants circulated amongst the northern and central basins with a small fraction reaching the far southern basin and the Chioggia inlet. As a consequence, we estimated limited contaminant transfer to the Adriatic Sea, trapping the majority of contaminants in the sediment in this ''average'' circulation scenario which does not account for periodic flooding events.

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Section: Source Apportionmentsupporting

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Contaminant fate and transport in the Venice Lagoon: Results from a multi-segment multimedia model

Sommerfreund

Gandhi

Diamond

et al. 2010

Ecotoxicology and Environmental Safety

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“…Model equations are based on the more general food-web bioaccumulation models thoroughly described elsewhere (Arnot and Gobas 2004, Micheletti et al 2007, Ciavatta et al 2009 and are described in the Appendix 2. The model uses a steady state assumption, likely to be satisfied in shallow water environments.…”

Section: The Bioaccumulation Modelmentioning

confidence: 99%

Addressing Sustainability of Clam Farming in the Venice Lagoon

Canu¹,

Campostrini²,

Riva³

et al. 2011

E&S

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ABSTRACT. The clam fishing and aquaculture system in the Venice Lagoon still appears insufficiently resilient to buffer external and internal perturbations, such as productivity fluctuations, unregulated fishing, and market related dynamics, despite the efforts of regional and local authorities to achieve the sustainable development. According to the System Approach Framework (SAF), based on previous studies and stakeholder interactions, we developed a model integrating ecological, social, and economic (ESE) aspects. We chose the aspects necessary to represent the essential dynamics of major ecological, social, and economic clam farming system components to project the consequences of implementing alternative management policies and to address the ecological and social carrying capacity. Results of the simulations suggest that a properly managed farming system can sustain an acceptable income and support the local community, while reducing negative environmental impacts, social conflicts, and consumer health risks and improving system resilience. The results highlight the importance of an interdisciplinary, participatory, and adaptive approach in planning the management of this important renewable resource.

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“…Aquatic ecosystems are generally the final destination of pesticides used in agricultural production (Gillium, 2007;Chao et al, 2009). Other studies (Purdom et al, 1994;Gimeno et al, 1996;Barse et al, 2007;Micheletti et al, 2007;Singh and Singh, 2007;Mckinlay et al, 2008;Palma et al, 2008, 2009a and have reported on the interactions of certain pesticides on the hypothalamic-pituitary-gonadal axis, demonstrating that these pollutants behave as endocrine disruptors that potentially alter fish reproduction and growth.…”

mentioning

confidence: 99%

Assessment of the health status of wild fish inhabiting a cotton basin heavily impacted by pesticides in Benin (West Africa)

Agbohessi

Toko

Ouédraogo

et al. 2015

Science of The Total Environment

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Assessment of ecological risk from bioaccumulation of PCDD/Fs and dioxin-like PCBs in a coastal lagoon

Cited by 55 publications

References 35 publications

Contaminant fate and transport in the Venice Lagoon: Results from a multi-segment multimedia model

Contaminant fate and transport in the Venice Lagoon: Results from a multi-segment multimedia model

Addressing Sustainability of Clam Farming in the Venice Lagoon

Assessment of the health status of wild fish inhabiting a cotton basin heavily impacted by pesticides in Benin (West Africa)

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