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You are here: Home / The European environment – state and outlook 2010 / Country assessments / Norway / Freshwater - Why care? (Norway)

Freshwater - Why care? (Norway)

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25 per cent of Norway's watercourses at risk
Topic
Freshwater Freshwater
more info
Climate and Pollution Agency
Organisation name
Climate and Pollution Agency
Reporting country
Norway
Organisation website
Organisation website
Contact link
Contact link
Last updated
03 Jan 2011
Content license
CC By 2.5
Content provider
Climate and Pollution Agency
Published: 26 Nov 2010 Modified: 13 Apr 2011 Feed synced: 03 Jan 2011 original
Key message

Norway’s rivers and lakes provide a rich freshwater environment, which is under less pressure from human activity than many countries in Europe. Challenges remain as many water bodies are altered due to hydropower regulation, urbanisanisation and roads.

Norway is home to one third of the world’s wild Atlantic salmon stock, but the species is threatened by the parasite gyrodactylus salaris, acidification and watercourse regulation. There is also growing pressure from aquaculture in the form of increasing numbers of sea lice and escaped farmed fish interfering with wild salmon.

Around 25per centof Norway’s water courses are at risk of not obtaining good ecological and chemical status within 2015.Long range transboundary pollution causes acidification and brings hazardous substances to lakes and rivers, most severely in the south and in the north eastern part of the country. Partly as a result of this, concentrations of mercury are so high that advice against consumption by pregnant and breastfeeding women has been issued.

Despite the introduction of numerous measures in recent years, problems with acidification and eutrophication still remain. In the future, climate change is likely to escalate the problems, particularly with regards to increased run offs and the spreading of alien species.

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The country assessments are the sole responsibility of the EEA member and cooperating countries supported by the EEA through guidance, translation and editing.

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European Environment Agency (EEA)
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Phone: +45 3336 7100