Whales in Norwegian waters
In the Norwegian seas, we have about 20 species of whales. Some of these live here all year round, while others are more or less random guests.
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Climate
Climate is commonly defined as the weather averaged over a period of time. The periode of time is ranging from months to years or even longer time scales. Climate encompasses the statistics of temperature, humidity and wind. Ocean climate consists of average environmental components occuring over a long periode of time. Temperature, salinity and current.
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Sea lice
Sea lice are the most common parasite on farmed salmon, and the biggest health issue for the industry. For a number of years, oral and bath treatments have been used to combat sea lice. Our monitoring of sea lice shows that their numbers are increasing noticeably, and that in some cases they are developing resistance to the favoured treatment. Sea lice belong to the copepod family, and are found naturally throughout the northern hemisphere.
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Red King Crab
Red King Crab
The red king crab is one of five species in the same family. Three of the species live in the northern part of the Pacific and the Bering Sea. The other two live off the coast of California. The red king crab is the only one found in the Barents Sea.
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Makrell
Northeast Atlantic mackerel
Mackerel is a pelagic and fast swimming fish species. It is distributed in the Northeast Atlantic from the Northwestern part of Africa north to the Barents Sea, and westwards in the Norwegian Sea to Iceland and Jan Mayen. Mackerel also enters the Baltic Sea, and furthermore exists in the Mediterranean Sea and Black Sea.
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Atlantic cod recovers quickly after catch-and-release
For the first time, researchers have investigated how Atlantic cod behaves after catch-and-release. Their study shows that cod recover quickly if they get fished in shallow water, are handled properly and released immediately after capture.
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SISAQUA spots suitable space for aquaculture
A new spatial information system helps managers; mussel and oyster farmers find the best locations for shellfish production in Normandy. The system is developed within the French-Norwegian project SISQUONOR. The key success factors are strong networks; common understanding and complementing knowledge between the two cooperating countries.
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Discovery of a new sideswimmer
A new species of sideswimmers (amphipod) has been found on the continental slope off northern Norway. The new species is approximately 1 cm long, and appears to prefer water temperatures below 0 °C and depths of 1,000-2,600 metres. In total, 50 specimens of the new species were found.
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Needless with five hunting areas for minke whale
DNA analysis shows that all minke whales in Norwegian catches belong to the same population. Thus there is no genetic reason to divide the whaling into five different hunting areas.
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Norwegian Competence Network on Blue Forests Established
Oslo/Arendal/Bergen, 13 November – The Norwegian Institute for Water Research (NIVA), GRID-Arendal and the Institute of Marine Research (IMR) have become the pioneering founders of a new Norwegian initiative to strengthen and share national competence on ‘blue forest’ habitats.
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Production of lice families reveals valuable insights into pesticide resistance in lice
Scientists at the Institute of Marine Research, and the Salmon Louse Research Centre at the University of Bergen, both located in Norway, have for the first time produced families of sea lice in order to investigate resistance development in salmon lice. The ground-breaking work was conducted under the Norwegian Research Council funded project PrevenT, with PhD student Lina Ljungfelt leading the experiment.
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In focus: European lobster
The European lobster has been found from the Mediterranean Sea to Northern Norway and west to the Shetland Island and western Ireland. It is usually found in shallow waters less than 40 m deep, where it is night active and shelter in burrows during daytime.
Their preferred habitat is moderately exposed areas with a complex bottom substrate of a mixture of sand and rocks. The lobster has a wide diet, hunting live prey and scavenging on dead organisms.
