Assessing the effects of treated and untreated urban discharges to estuarine and coastal waters applying selected biomarkers on caged mussels

Ríos, A. De los; Pérez, Laura; Ortiz-Zarragoitia, Maren; Serrano, Teresa; Barbero, M.C.; Echavarri-Erasun, Beatriz; Juanes, José A.; Orbea, Amaia; Cajaraville, Miren P.

doi:10.1016/j.marpolbul.2013.09.050

Cited by 37 publications

(23 citation statements)

References 71 publications

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“…The measurement of survival in air (SOS) response is a physiological biomarker used to evaluate bivalve resistance to air exposure, which provides a simple and sensitive indicator of environment health (Viarengo et al, 2007). Many studies have demonstrated that exposure to contaminants could reduce the tolerance of bivalves to anoxia (de los Rios et al, 2013). However, the oysters collected at XZ site (with the highest levels of metals) were more resistant to anoxia in the present study.…”

Section: Discussionmentioning

confidence: 56%

Temporal and spatial distribution of semicarbazide in western Laizhou Bay

Tian

Song

et al. 2016

Marine Pollution Bulletin

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a b s t r a c t a r t i c l e i n f oArticle history: Received 9 January 2016 Received in revised form 26 July 2016 Accepted 29 July 2016 Available online xxxx An integrative biomarker approach was employed to evaluate the environmental quality of the north coast of Shandong Peninsula along the southern Bohai Sea of China, where pollution is an imminent threat due to rapid urbanization and industrialization. A battery of biomarkers and the metal bioaccumulation in tissues of native oyster Crassostrea gigas were measured under field conditions. Integrative biomarker index (IBR) and metal body burden were calculated to differentiate the pollution status of seven sampling sites. According to our results, Xinzhuang (XZ) site was the most severely contaminated, with the highest IBR value of 3.58, while the lowest IBR value (0.04) was obtained at Penglai (PL). Such an integrated biomarker approach was proved as a useful method for environmental quality assessment in the study area.

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Section: Discussionmentioning

confidence: 56%

Temporal and spatial distribution of semicarbazide in western Laizhou Bay

Tian

Song

et al. 2016

Marine Pollution Bulletin

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“…Such high levels, greatly overpassing acute water quality criteria (WQC) for the protection of coastal ecosystems (WQC Cu 22 nM; Durán and Beiras (2013)), could cause significant effects to living organisms. For instance, impact of untreated urban discharge on cage mussels was recently evidenced by De los Ríos et al (2013). During floods, Cu was mainly associated to particulate fraction (more than 90%) at the outlet but its fractionation progressively evolved in the plume towards a more even distribution between dissolved and particulate fractions in the marine end-member (Fig.…”

Section: Trace Elementsmentioning

confidence: 87%

Flood inputs in a Mediterranean coastal zone impacted by a large urban area: Dynamic and fate of trace metals

et al. 2014

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Trace elements and organic carbon inputs to the Mediterranean Sea from an urbanised area (Marseille City) were studied and characterised during flood events. Inputs were brought to the sea by two small coastal rivers whose waters were mixed together and also with treated wastewaters (TWW) just before discharge. The monitoring of the rivers during flood events showed the high temporal dynamics of water flow, suspended particulate matter (SPM), organic carbon and trace metals concentrations, typical of small coastal Mediterranean rivers and requiring an appropriate sampling strategy. Dissolved/particulate partition coefficient (log Kd) in rivers during floods remained quasi-constant for a given trace element, but differed from one element to another according to their affinity toward particles. Because of high SPM concentrations, trace elements were mainly brought to the sea during floods as particles, despite a weaker affinity for particles when compared to baseflow conditions for all studied elements but Pb. If the contribution of TWW dominated the elements baseflow discharge to the coastal zone, rivers outweighed during floods. When discharged to the sea, most trace elements underwent partial desorption in the salinity gradient, especially at highest salinity. Laboratory desorption experiment results were consistent with field data and showed slower desorption kinetics than in baseflow conditions, suggesting that trace elements desorption rates from particles are slower than sedimentation rates. With regard to heavy particles, it results in a potential impact of the sediment on benthic organisms and a possible further desorption after sediment resuspension events. With regard to light particles, it results to a possible additional desorption during offshore transport.

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“…Seismic, anthropogenic and climate change activities, especially those associated with earthquake, cyclones, hurricanes, typhoons, volcanic eruptions, flooding, industrial, agricultural and domestic activities, chemical contaminations of the environment, increased temperature, hypoxia, ocean acidification, have increased the potential impacts of stresses of heavy metals, pharmaceuticals, pesticides, polycyclic aromatic hydrocarbons, thermal, on seafood, especially molluscs and crustaceans, in aquaculture farms and coastal areas [1][2][3][4]. Trace metals have been considered as the most important contaminants in the estuary and marine ecosystems after organic matter and hydrocarbons, oil and can impact their lethal and sublethal toxicity and deterioration on molluscs [5,6].…”

Section: Introduction and Justification Of Studymentioning

confidence: 99%

Physiological, Immunological, Genotoxic and Histopathological Biomarker Responses of Molluscs to Heavy Metal and Water-Quality Parameter Exposures: A Critical Review

Os¹

2017

J Oceanogr Mar Res

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Assessing the effects of treated and untreated urban discharges to estuarine and coastal waters applying selected biomarkers on caged mussels

Cited by 37 publications

References 71 publications

Temporal and spatial distribution of semicarbazide in western Laizhou Bay

Temporal and spatial distribution of semicarbazide in western Laizhou Bay

Flood inputs in a Mediterranean coastal zone impacted by a large urban area: Dynamic and fate of trace metals

Physiological, Immunological, Genotoxic and Histopathological Biomarker Responses of Molluscs to Heavy Metal and Water-Quality Parameter Exposures: A Critical Review

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