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Copper, zinc and cadmium in marine cage fish farm sediments: An extensive survey

The diet of cage-farmed Atlantic salmon contains a range of trace metals, some of which have toxic properties, e.g. zinc, copper and cadmium. A survey of metal concentrations (ICP-MS analysis) in surface sediments of ca. 70 stations was carried out in both May and December 2000 around a Scottish fis...

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Published in:Environmental pollution (1987) 2007, Vol.145 (1), p.84-95
Main Authors: Dean, Rebecca J., Shimmield, Tracy M., Black, Kenneth D.
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Language:English
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container_title Environmental pollution (1987)
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creator Dean, Rebecca J.
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description The diet of cage-farmed Atlantic salmon contains a range of trace metals, some of which have toxic properties, e.g. zinc, copper and cadmium. A survey of metal concentrations (ICP-MS analysis) in surface sediments of ca. 70 stations was carried out in both May and December 2000 around a Scottish fish farm. Additionally, at 13 stations on 2 orthogonal transects centered on the farm, sediments were analysed at 1 cm intervals to 8 cm depth. Maximum concentrations in surface sediments were 921, 805 and 3.5 μg g −1 for Zn, Cu and Cd, respectively, and were found at stations near the fish farm. The calculated losses from the farm (feed input minus fish output) were 87.0%, 4.3% and 14.0% of the background-corrected inventories for Zn, Cu and Cd, respectively, indicating that for Cu and Cd at least, the feed is not the only source. Sediments around a salmon farm show extremely high levels of zinc, copper and cadmium contamination.
doi_str_mv 10.1016/j.envpol.2006.03.050
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A survey of metal concentrations (ICP-MS analysis) in surface sediments of ca. 70 stations was carried out in both May and December 2000 around a Scottish fish farm. Additionally, at 13 stations on 2 orthogonal transects centered on the farm, sediments were analysed at 1 cm intervals to 8 cm depth. Maximum concentrations in surface sediments were 921, 805 and 3.5 μg g −1 for Zn, Cu and Cd, respectively, and were found at stations near the fish farm. The calculated losses from the farm (feed input minus fish output) were 87.0%, 4.3% and 14.0% of the background-corrected inventories for Zn, Cu and Cd, respectively, indicating that for Cu and Cd at least, the feed is not the only source. 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subjects Animals
Aquaculture - methods
Cadmium
Cadmium - analysis
Copper
Copper - analysis
Diet - adverse effects
Ecosystem
Environmental Exposure - adverse effects
Environmental Pollutants - analysis
fish cages
Fish farm
fish farms
Fish feed
fish feeding
Geologic Sediments - chemistry
Marine
Salmo salar
Salmon
Scotland
Seasons
sediment contamination
Sediments
spatial distribution
spring
surveys
Water - chemistry
winter
Zinc
Zinc - analysis
title Copper, zinc and cadmium in marine cage fish farm sediments: An extensive survey
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