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Övervakning av metaller och organiska miljögifter i limnisk biota, 2015
Executive, Naturhistoriska riksmuseet, NRM.
Executive, Naturhistoriska riksmuseet, NRM.
Executive, Naturhistoriska riksmuseet, NRM.
Executive, Naturhistoriska riksmuseet, NRM.
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2015 (Swedish)Report (Other academic)
Abstract [en]

The report summarises the monitoring activities within the National Swedish Contaminant Programme for freshwater biota. Each monitored contaminant has been examined in pike, perch or Arctic char from 32 lakes from the north to the south in Sweden.

No general trend could be seen for mercury, and all samples, except Arctic char from Abiskojaure, were above the EU target level. Lead was generally decreasing. Nickel showed a general upward trend in perch. An increase, or indication of an increase, was seen for chromium during the last ten years. Zinc concentrations were decreasing in a majority of the perch samples and in pike from Lake Storvindeln.

No general trend was observed for copper, arsenic, silver, aluminum, tin, bismuth, and cadmium.

In general, downward trends were seen for; PCBs, HCHs, DDT, DDE and PCDD/Fs in all species (with a few exceptions). The chlorinated compounds generally show a somewhat higher concentration in the southern parts of Sweden. Most chlorinated compounds were below the suggested target levels.

No general trend was seen during the monitoring period for PBDEs. Concentrations of PBDEs in Lake Bolmen increased from the 60s and peaked in the late 80s to mid-90s and have subsequently decreased. The concentration of HBCDD was under LOQ in a majority of the samples.

Several of the perfluorinated carboxylate compounds showed an increase in concentration in perch, while PFOS and FOSA decreased. Higher concentrations of perfluorinated compounds can in general be seen in the southern part of Sweden. In all lakes, PFOS is below the target level for all species.

Place, publisher, year, edition, pages
2015. , 173 p.
Series
Report, 14:2015
National Category
Environmental Sciences
Research subject
Finance, National; Environmental Objectives, Flourishing Lakes and Streams; Freshwater, Miljögifter, analys av metaller och organiska ämnen
Identifiers
URN: urn:nbn:se:naturvardsverket:diva-4023OAI: oai:DiVA.org:naturvardsverket-4023DiVA: diva2:865041
Available from: 2015-10-26 Created: 2015-10-26 Last updated: 2015-10-26

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Naturhistoriska riksmuseet, NRMStockholms universitet, institutionen för tillämpad miljövetenskap, ITMUmeå universitet, UmU
Environmental Sciences

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