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Atlantic salmon is a well-studied species, but there are still mysteries of where they reside in the ocean and what impacts their marine survival. ATLANTIC SALMON AT SEA - factors affecting their growth and survival (SeaSalar) is a research program where research institutions join forces to increase the knowledge on Norwegian salmon at sea.

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News
The lead author, John F. Strøm, with one of the Atlantic salmon tagged with a pop-up satellite archival tag before release. Photo: Audun H. Rikardsen
30.05.2019

New publication on ocean predation and mortality

Predation on adult Atlantic salmon by endothermic fish (bluefin tuna and porbeagle), large toothed whales and other fish was recorded.
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We do not follow juvenile Atlantic salmon during the first ocean migration, because they are too small for the tags. Atlantic salmon may spawn several times and migrate to the ocean for feeding between each spawning. We tag adult salmon (kelts) in the spring, after they spawned last autumn and have stayed in the river during winter and are ready for a new sea migration. Photo: Eva B. Thorstad
19.05.2019

First time - Tracking ocean migration of salmon from Southern Norway by using satellite tags

Do Atlantic salmon from Southern Norway migrate as far north as previously tagged salmon from Northern Norway?
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29.04.2019

Poor ocean conditions may worsen the effects of other impacts on salmon

A new study detected clear negative impacts of salmon lice in terms of reduced growth of salmon during the first months at sea, but more so in years when the general sea survival was low.
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