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Mercury In Aquactic Environment

by the Fish Site Editor
08 November 2010, at 12:00am

DENMARK - Mercury occurs in such a large scale in the Danish aquatic environment, it poses a risk to wildlife in a series of lakes and coastal areas. This exceeds the EU environmental quality standards mercury content of both mussels and fish, says study by (NERI), Aarhus University.

Significantly higher levels of mercury occur according to the survey also in fish-eating animals such as cormorants, otters and harbor seals. This is because a significant uptake of mercury from their food items. In no case exceeded the levels in the samples examined limit for mercury in mussels and fish that can be used as food for humans. However, it is estimated that the levels of mercury can pose a risk to fish-eating animals.

The study also shows that the chlorinated compounds hexachlorobutadiene (HCBD) and hexachlorcyclopentadien (HCCPD) did not occur at levels that are considered to pose a risk to the aquatic environment.

The study was conducted to provide a basis for assessing the extent to which the chlorinated compounds and mercury in the future should be part of the monitoring of hazardous substances into the national monitoring of water environment and countryside (NOVANA). Mercury is one of three drugs on the WFD list of priority substances quality in biota.

the Fish Site Editor