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Result: (148) Showing 1 - 30

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The mackerel cruise can be followed online

03.07.2020

Six vessels will cover ten times Norway's area in search of the mackerel. This year you can follow them live on the map.

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Protected areas for lobsters increase claw size

18.06.2020

Lobsters in protected areas have bigger claws than lobsters in areas where they are fished, according to a new study. 

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Why the fjords turn green

02.06.2020

Hardangerfjorden has developed a clear green tint, prominent enought to be observed from space. The reason is microscopic.

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Wild salmon’s wild journey in the ocean

26.05.2020

Last spring Atlantic salmon were tagged with satellite tags in Southern Norway. Now they have phoned home. 

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The “refrigerator effect” of the Barents Sea is weakening

25.05.2020

The water entering the Barents Sea is not as cooled down as it used to. This has a large effect of the climate in the area and may lead to fish and other marine life migrating. 

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Eels only reach puberty at the age of 19

26.05.2020

New analysis of old samples shows that eels in Norway get twice as old as previously thought. 

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Researchers have trained artificial intelligence in identifying schools of sandeel

11.05.2020

If our man Ronald gets 10 out of 10, his new “trainee” gets 9. 

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Choruses reveal Antarctic whales' whereabouts

27.04.2020

What do whales do when nobody is looking? Researchers are trying to find out using audio recordings.

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Herring larvae swim towards the sun

27.04.2020

Recently hatched herring do not navigate by compass, but by following the sun.

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Cod and haddock populations have multiplied over past 20 years

01.04.2020

In the 2000s, the Norwegian and Russian authorities reduced the fishing pressure on cod and haddock in the Barents Sea. Combined with three good year-classes, that led to record populations.

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New research aims to give more, safer and cleaner seafood

30.03.2020

In a major new initiative, scientists at IMR will study how to get more food from the ocean into our ovens – without putting our health and the environment at risk.

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Check the photos: Spectacular glimpses of the polar deserts

27.03.2020

Able-bodied seaman Andreas Wolden takes 2,000-3,000 photos on each trip to the polar regions. As a keen photographer, he never tires of meeting polar bears.

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Study: Cleaner fish no magic bullet against salmon lice

16.03.2020

Researchers have combed data from almost 500 fish farms all over Norway. They found only a weak and variable effect of using cleaner fish in the battle against salmon lice.

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Watch the cod spawn

16.03.2020

Below the sea’s surface, the cod spawning season is now well underway. We have trapped cod in a pen rigged with cameras and hydrophones - you can follow the spawning live.

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Small fish may act as “vitamin sweets” for East African children

10.03.2020

Malnutrition is a bigger problem than hunger in the world today. Researchers hope that a small freshwater fish may prove to be packed with important micronutrients. 

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Lab experiment: Small doses of delousing agent killed zooplankton

25.02.2020

Calanus can be killed by small concentrations of the delousing agent hydrogen peroxide.

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How little of the delousing agent is needed before juvenile lobsters develop ''arthritis''?

13.02.2020

Large doses of teflubenzuron kill – small doses cause stiff joints. The question is how small.

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More documentation needed for the efficacy of cleaner fish

11.02.2020

Millions of cleaner fish are used in farm cages to eat lice off salmon every year. However, there is limited research into how efficiently they do this job. Now scientists have gone through all published studies in the field – and found large knowledge gaps.

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When the West Ice shrinks closer to shore, seals follow – into the jaws of polar bears

10.02.2020

And that is just one of the challenges that seals face in a changing world. 

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The Barents Sea has become cooler, pushing the marginal ice zone south

29.01.2020

The Institute of Marine Research’s monitoring of the sea shows that temperatures have fallen in recent years.

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The skrei is on its way

21.01.2020

Right now, millions of northeast arctic cod (skrei) are migrating from the Barents sea to the Norwegian coast to spawn. They are the lucky few survivors.

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Polar cod in climate crisis

15.01.2020

The polar cod, a key species in the Barents Sea ecosystem, is struggling with recruitment due to warmer waters and declining sea ice cover. 

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Learning to reveal the secrets of the sea

09.01.2020

Where do young marine researchers go to learn about the latest and greatest sonar technology? To a narrow fjord in western Norway, onboard RV G.O. Sars.

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How to cook blue mussels in four-ish minutes

20.12.2019

Healthy, social and sustainable fast food. Marine biologist and foodie Arne Duinker shows you how easy blue mussels can be done.

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New report: The ocean can supply six times more food

19.11.2019

The ocean can supply much of the food required to feed an ever growing world population, primarily through the sustainable expansion of marine aquaculture. But not without improved ocean management and new technology.

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Ocean Science Decade: From talk to action

12.11.2019

Peter Haugan of the Institute of Marine Research has been asked to chair the national expert committee that will set the course for the Norwegian contribution to the UN Decade of Ocean Science.

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75 percent fewer salmon lice with new type of sea cage

11.11.2019

Physically separating salmon from salmon louse larvae reduces infestation of salmon by 75 percent compared with a normal sea cage. This has now been scientifically demonstrated using a “snorkel” cage at a commercial fish farm.

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Researchers stumble upon previously undiscovered coral reef in western Norway

11.11.2019

They were testing methods to survey for corals when the IMR researchers discovered the “new” deep water coral reef Bukkarevet in the Hardangerfjorden threshold. 

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Oil spills can cause long-term damage to our marine ecosystems

29.10.2019

A new study by the Institute of Marine Research (IMR) shows that a major oil spill off the Lofoten and Vesterålen islands could produce long-term changes in the ecosystems in the Norwegian Sea and Barents Sea.

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Organic mineral supplements are better for fish and the environment

28.10.2019

If farmed salmon receive the minerals in their feed in organic forms, they need smaller amounts of them to grow big and strong. As a result, less of these minerals enter the environment.