The west coast of Sweden On Sweden's west coast lies the Western Sea with Sweden's saltiest water and the largest marine biodiversity. The Western Sea includes both Kattegat, Skagerrak, and... Text: Lina Mattsson Foto: Göran Ehlmé, Tobias Dahlin, Micke Tilja West coast the north seajelly fishoverfishingbioluminescent algeaKoster sealobstereutrophicationKattegatÖresundEelgrassNatura 2000bottom trawlingskagerrak