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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
16.12.2019

Trends in ocean temperatures affect the thermal habitat of Atlantic salmon during summer and autumn, but not during winter

Since 2008 we have tagged more than 1000 adult salmon from the Alta River with temperature sensing data storage tags in order to understand more about ocean migration and habitat use while at sea.
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River Lakselva, where the tagged female came from, and the site at Bear Island where she was recorded three weeks later, are shown with yellow stars on the map. Photo: Eva B. Thorstad
18.08.2019

Super-quick ocean migration by a salmon tagged this spring

We tagged adult salmon with satellite tags in the River Lakselva in May. Surprisingly, three weeks later one of the ladies was already at Bear Island, far out in the Atlantic Ocean, 855 km away.
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The migration of a salmon from the River Alta, Northern Norway, estimated from a geo tag. The tags are relatively large. Hence, we tag adults after spawning and record their repeat ocean migration. Figure: John F. Strøm (Strøm et al. 2018).
25.07.2019

The fantastic ocean migration of Atlantic salmon

Villaksbloggen publishes news on wild Atlantic salmon in the International Year of the salmon, and the newest blog post is on the novel and surprising results on the ocean migration.
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