Mass budget in two high altitude lakes reveals their role as atmospheric PCB sinks

Nellier, Yann-Michel; Perga, Marie‐Elodie; Cottin, Nathalie; Fanget, Philippe; Malet, Emmanuel; Naffrechoux, Emmanuel

doi:10.1016/j.scitotenv.2014.12.052

Cited by 18 publications

(22 citation statements)

References 66 publications

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“…comm.). The concentration and distribution of PCBs in the waters of these lakes have been previously reported (Nellier et al 2015a(Nellier et al , 2015b.…”

Section: Study Sitesmentioning

confidence: 91%

“…Lake Muzelle and Lake Plan Vianney are 2 high altitude lakes (2115 and 2250 m a.s.l., respectively) located in the National Park of Ecrins (French Alps). The lakes are close to each other (4.3 km apart) and subjected to similar atmospheric PCB inputs (Nellier et al 2015a). They have surface areas of 10 and 5 ha and total catchment areas of 466 and 86 ha, respectively, and are surrounded by poorly developed soils (40% and 70% rock cover on the respective catchments of Lake Muzelle and Lake Plan Vianney).…”

Section: Study Sitesmentioning

confidence: 99%

“…They have surface areas of 10 and 5 ha and total catchment areas of 466 and 86 ha, respectively, and are surrounded by poorly developed soils (40% and 70% rock cover on the respective catchments of Lake Muzelle and Lake Plan Vianney). These catchment areas do not act as sources of PCBs for either lake (Nellier et al 2015a). Lake Muzelle and Lake Plan Vianney are ice covered from November to June, and the maximum summer surface water temperatures are 7.5 and 12.6 °C, respectively.…”

Section: Study Sitesmentioning

confidence: 99%

“…The aim of this study was to investigate the relative role of biomagnification and bioconcentration on the individual, seasonal, and between-site variability in fish PCB contamination for 2 alpine, high altitude lakes, chosen because they are subjected to similar PCB inputs, solely from atmospheric deposition (180 ng m −2 yr −1 ; Nellier et al 2015a). PCB partitioning between the dissolved and particulate phases differs between the lakes during some seasons, however, potentially affecting the bioconcentration potential (Nellier et al 2015b).…”

Section: Sample Collectionmentioning

confidence: 99%

“…In the laboratory, all samples were treated within 24-48 h. Lake water was filtered through 2 nylon filter cups connected in series (200 and 20 μm mesh sizes). The >200 μm size fraction was excluded from PCB analysis because of concentrations below the quantitation limit for all congeners (Nellier et al 2015a(Nellier et al , 2015b. The 20-200 μm size fraction represented microplankton.…”

Section: Sample Processingmentioning

confidence: 99%

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Bioconcentration may be favoured over biomagnification for fish PCB contamination in high altitude lakes

Perga¹,

Nellier

Cottin

et al. 2017

Inland Waters

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Cold aquatic ecosystems such as high altitude alpine lakes are expected to act as long-term sinks of polychlorinated biphenyls (PCBs), the burden of which might even be intensified by global warming. Because the physical, chemical, and biological structures of high altitude lakes are highly responsive to climate change, both PCB exposure and bioaccumulation are likely to be strongly altered in the near future. Yet, in the absence of mechanistic knowledge of the processes regulating fish contamination with PCB in such ecosystems, their fate cannot be predicted. The aim of this study was to investigate the relative roles of biomagnification and bioconcentration on the individual, seasonal, and between-site variability of fish PCB contamination in 2 alpine, high altitude lakes. The intra-and within-lake variability of fish PCBs was not related to differences in fish physiology (size, age, or lipid content) and only marginally tied to fish feeding habitats (assessed from fatty acid composition and δ 13 C) or trophic position (δ 15 N). These results suggested that the trophic pathway and biomagnification contributed little to the observed differences in fish PCB concentrations between lakes, seasons, and individuals. Moreover, the fish PCB levels did not depend on the total PCB concentration in the water, but the fish contamination dynamics during the spring thaw pointed to a significant role of dissolved PCBs during this season in both lakes. In high altitude lakes, low temperatures might contribute to kinetically limit equilibrium with dietary PCBs, thereafter favouring bioconcentration over biomagnification pathways by which fish become contaminated with PCBs.

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“…comm.). The concentration and distribution of PCBs in the waters of these lakes have been previously reported (Nellier et al 2015a(Nellier et al , 2015b.…”

Section: Study Sitesmentioning

confidence: 91%

Section: Study Sitesmentioning

confidence: 99%

Section: Study Sitesmentioning

confidence: 99%

Section: Sample Collectionmentioning

confidence: 99%

Section: Sample Processingmentioning

confidence: 99%

See 3 more Smart Citations

Bioconcentration may be favoured over biomagnification for fish PCB contamination in high altitude lakes

Perga¹,

Nellier

Cottin

et al. 2017

Inland Waters

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Polycyclic aromatic hydrocarbons in sediments of China Sea

Duan

2015

Environ Sci Pollut Res

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Increasing pollution pressures were placed in the coastal and estuarine ecosystems in China because of the elevated pollutants discharged from various sources. Polycyclic aromatic hydrocarbons (PAHs) in the environment were closely linked to human activities, which have been intensively studied for their geochemical interest as markers. In this review, the status of PAH contamination in China Sea was assessed by comprehensive reviews of the concentrations, sources, and fates of PAHs in sediments of China Sea. PAH concentrations in China Sea sediments decreased from north to south due to the higher emissions in North China. Atmosphere was probably the main carrier of PAHs in the north due to the higher contents of atmospheric fine particles and higher wind speeds. However, riverine inputs were probably the most important sources of PAHs in the coastal sediments of South China due to higher rainfall.

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Controlling factors for the distribution of typical organic pollutants in the surface sediment of a macrotidal bay

Wang

Duan

et al. 2020

Environ Sci Pollut Res

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Mass budget in two high altitude lakes reveals their role as atmospheric PCB sinks

Cited by 18 publications

References 66 publications

Bioconcentration may be favoured over biomagnification for fish PCB contamination in high altitude lakes

Bioconcentration may be favoured over biomagnification for fish PCB contamination in high altitude lakes

Polycyclic aromatic hydrocarbons in sediments of China Sea

Controlling factors for the distribution of typical organic pollutants in the surface sediment of a macrotidal bay

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