It is one of those contaminants that's persistent. It doesn't leave, it accumulates.
It's a very complex issue. You can't say that all the fish of a certain species have the highest levels. (Contamination levels) differ from lake to lake.
This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.
This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.