Seawater is full of nutrients from winter mixing. As they do, these phytoplankton cells sink into waters which are too dark for them to photosynthesize and thus, they cannot live. Chaetoceros socialis phytoplankton will most likely be replaced by other species of phytoplankton. Similar to what we eat in the U.S. but in different proportions. They eat more fish and dairy products.
Breakfast is mostly cereal mixed with liquid yogurt.
Great Norwegian recipes are available from SOAR, the Searchable Online Archive of Recipes . Also, there is pizza, roast chicken, and hamburgers, and many more things. Many more cold cuts than in the U.S. and many more cheeses. Fish is served marinated and raw or cooked.