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Benthic fauna may give warning of changes in the environment

The seabed holds a rich diversity of animals big and small. If you look closely at a handful of sand and sludge from the seabed and it will change from a dull grey mass to a writhing, hopping world of crustaceans, mussels and polychaetes. These tiny creatures may help us answer important questions.

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From “the welfare of the people” to scientific time series

Article in Fram Forum 2017: Time series are crucial tools for environmental monitoring. The Institute of Marine Research, in cooperation with the University of Bergen, has developed what may well be the world’s longest biological time series – a 160-year record of liver size in northeast arctic cod.

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Royal tagging

King and president joined mackerel-dugnad

Since 2011, over 250,000 mackerels have been electronically tagged and released back into the sea. On Thursday King Harald of Norway and the Icelandic presidential couple sent out another three mackerels to collect data in the name of research.

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Atlantic salmon

In focus: Atlantic salmon

The Atlantic salmon is an anadromous fish. They spend their first years in freshwater, and when they are big enough they undergo physiological and morphological changes, and migrate into seawter as a ’smolt’. The smolt migrates from the rivers, throughout the fjords

and into the open seas where they spend one to four years. In this period they grow fast, and when they are sexually mature, they migrate back to the river where they were born, to spawn.

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