News archive

New Barents Sea book highlights a changing Arctic

The Barents Sea is facing significant changes. Sea ice is melting earlier than before and forming later. A new book provides an overview of the region, the life in the Barents Sea, and how it is being affected by climate change and increasing pressure from long-range pollution and human activities in the Arctic.

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The Nansen Legacy (2025) Fact Sheet: Seasonality. Zenodo. 10.5281/zenodo.15294944

A new guide to the seasons in the Barents Sea

Knowledge on seasons guide activities in our garden, in agriculture, and in risk- and response evaluations. For the Barents Sea, our limited knowledge of seasonal characteristics and variation has limited our understanding of ecosystem dynamics and impacts. New research reduces this knowledge gap.

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Final report approved

The Nansen Legacy project (2018-2024) has been the largest research project in Norway, and the final reports are now approved by the Research Council of Norway. New knowledge of relevance for science and society is built, new tools are provided, and improved collaboration have demonstrated the strength and potential in collaborations of this kind.

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Net, harvest, fishing, gear

Special issue on Food webs

A proper understanding of the Barents Sea food webs is essential to evaluate how changes in community composition and production of the many species living there will cascade and impact our harvestable resources.

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Disputation: Christine Gawinski

MSc in Marine Biology Christine Gawinski at UiT The Arctic University of Norway will hold a trial lecture and defend her dissertation for the degree of Philosophiae doctor (Ph.D.) in Natural Science in a public defense on Thursday October 31st 2024.

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Picture 3: Yasemin Bodur inspecting the content of a sediment trap retrieved by divers. Photo: Haakon Hop

Disputation: Yasemin Bodur

MSc in Marine Biology Yasemin Bodur at AMB will hold a trial lecture and defend her dissertation for the degree of Philosophiae doctor (Ph.D.) in Natural Science in a public defense on Friday, June 28, 2024, in the Large Auditorium (E-101), NFH building.

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Natalie Summers NTNU diving in the sea. Photo: Private

The secret life beneath the ice

Natalie Summers left deep-sea coral research outside Hawaii to investigate the life of algae in the Arctic polar night for her PhD. She grew up with archaeologist parents in Turkey and was a budding researcher from an early age.

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Siv Nam Khang Hoff Tatt i feltarbeid.

Disputation: Siv Nam Khang Hoff

PhD candidate Siv Nam Khang Hoff at the Department of Biosciences, Faculty of Mathematics and Natural Sciences, is defending the thesis ‘Elucidating genome-wide divergence and prevalence of chromosomal rearrangements in keystone Arctic teleosts’ for the degree of PhD.

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Pauke Schots, UiT

What are the consequences of a warmer Arctic for the fishing industry?

Predictions on how the Barents Sea ecosystem will look like in 2050 and 2100, and their implications and consequences for the fishing industry were discussed at the Arctic Frontiers side event organised by the Nansen Legacy. The Arctic is changing and this can lead to biological but also socialeconomic changes. Based on climate models, Nansen Legacy researchers have made predictions on how the Barents Sea ecosystem will appear in 2050 and 2100 based on different CO2 emission scenarios.

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PhD Eivind Kolås Gruppe

PhD defense on Atlantic Water inflow into the Arctic Ocean

Water in the Atlantic Ocean circulates from the polar regions in the north to the south. This circulation is called the Atlantic Meridional Overturning Circulation (AMOC). The production of dense water and the formation of sea ice in the Arctic Ocean are important driving forces of the AMOC. The inflow of warm Atlantic water in the Arctic via the Fram Strait and Barents Sea regulates the production of this dense water and the formation of sea ice and can thereby affect the global climate system.

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Toktbilde frå Arven etter Nansen 2021, med forskningsfartøyet Kronprins Haakon i bakgrunnen. Forskere arbeider på isen med lite eller intet snødekke på. (Se bilde lenger ned for å sammenligne) Sebastian Gerland, Norsk polarinstitutt

A New Barents Sea – Researchers Witness Clear Changes with Significant Consequences

The Barents Sea, as we knew it, is no more, according to a new scientific publication from Norway’s largest collaborative project: The Nansen Legacy. The ice-free southern part of the Barents Sea has been well-mapped and understood, while the northern part, covered in ice during winter, stands out as one of the polar regions where climate and ecosystem changes are most pronounced.

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Supporting global biodiversity work

A critical element in mapping regional and global biodiversity is to bring existing relevant
data together. Darwin Core is an international standard on how to do this that facilitates
future integration of existing data. The Nansen Legacy trains researchers to publish and
archive the collected data on Arctic marine species for future and global use.

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Integrating results to new and useful knowledge

This autumn Nansen Legacy members are organizing several workshops to strengthen the collaboration across approaches and disciplines. Some workshops also involve key scientists outside the Nansen Legacy project. The workshops prepare synthesis papers and data files which will become available on the website upon publication.

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Agneta Fransson represented Nansen Legacy on SAS

Agneta Fransson (Norsk Polarinstitutt) participated in the workshop of the international initiative Synoptic Arctic Survey (SAS) at Woods Hole Oceanographic Institute, USA, for pan-Arctic collaboration between Norway and participating countries such as Japan, Korea, USA, Canada, Sweden, Italy, Germany, Denmark.

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Illustrasjon Frida

Happy World Ocean Day!

In six years, over 280 researchers walked in Nansen’s footsteps, and research everything from the bottom of the sea to observe the earth from satellites in space.
This has given us over 200 scientific publications with knowledge on the rapidly changing marine climate and ecosystem.
Today we present a few of these stories from bottom to space, so maybe you can understand the Arctic better.

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The ice factories of the Arctic Ocean

Each year, the Arctic sea ice goes through a cycle of melting and freezing. From March to September, sea ice gradually melts and becomes thinner, and from October to March, the water freezes again. In our warming climate, we see that more and more ice melts each year. One would expect that the ice would also freeze less, but we have observed that the ice growth – or ice production – has increased over the last decades. Yes, you read it right: despite warming, there is more ice produced during winter than before!

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Arendalsuka 2022. Marit Reigstad og Bart Eide Foto: Karine Nigar Aarskog/UiT

Science and societal impact from the Nansen Legacy project

For decades, the impact of research was measured within the research discipline itself, often in terms of citations or how ideas presented advanced the field. Nowadays, researchers must increasingly plan for and document how the results of their work will be used – how they will contribute to society.

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Collaboration to promote Arctic science

Meeting national and international research colleagues in Vienna after Covid has been gratifying for the Nansen Legacy projects scientists. It has been very nice to participate and contribute to The Arctic Science Summit Week, which is an arena for a wide range of organizational meetings and science sessions to coordinate, plan and promote Arctic science.

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Paul Wassmann

Paul Wassmann is awarded the 2023 IASC Medal

The International Arctic Science Committee (IASC) awards the 2023 IASC Medal to Professor emeritus Paul Wassmann, UiT The Arctic University of Norway, for outstanding long-lasting achievements to improve the knowledge of the ecology of the Arctic Ocean and the ability to combine excellent science and holistic drive to bring together various disciplines.

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Credit: Ingrid Weidmann UiT

Using task forces to integrate results and highlight important themes

After a period with focus on data collection, sample analyses, and model-based investigations and predictions, it is time to merge and integrate new knowledge across approaches and key themes. To do so, seven overarching themes have been identified and task force groups have been initiated in the project Nansen Legacy.

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