I am an evolutionary ecologist with a strong interest in global change ecology. My research has mainly focused on understanding how environmental changes, and particularly climate change, affect animals that live in seasonal environments. I also have an interest in sustainable use of marine resources and work on several topics relevant to the Sustainable Development Goals.

Bacheloroppgave

• Elise Kværnan; Henriette Sophie Vik; Marian Kjellevold et al. (2025). Micronutrient Bioavailability in Food Systems: Implications of anti-nutrients in the shift towards plant-based diets. (ekstern lenke)

Forelesning

• Anna Jeja Gabriella Ljungström (2026). Unlocking the Nutritional and Environmental Potential of Small Pelagic Fish. (ekstern lenke)
• Anna Jeja Gabriella Ljungström (2026). Små pelagiske fisk til fôr eller konsum. (ekstern lenke)
• Anna Jeja Gabriella Ljungström (2025). Why small fish have a role to play in the green protein shift. (ekstern lenke)
• Anna Jeja Gabriella Ljungström; Kim Josefin Niklasdotter Scherrer; Tom Langbehn et al. (2024). Landinger i pelagisk fiskeri – til mel/olje eller til konsum?. (ekstern lenke)
• Tom Langbehn; Anna Jeja Gabriella Ljungström (2024). Bærekraftig mat fra havet. (ekstern lenke)
• Kim Josefin Niklasdotter Scherrer; Katja Susanna Enberg; Tom Langbehn et al. (2023). Small fish - The world’s most CO2 efficient animal protein source?. (ekstern lenke)
• Gjert Endre Dingsør; Kim Josefin Niklasdotter Scherrer; Anna Jeja Gabriella Ljungström et al. (2023). Brexit doblet karbonfotavtrykket til Norges makrellfiskeflåte. (ekstern lenke)
• Kim Josefin Niklasdotter Scherrer; Katja Susanna Enberg; Christian Jørgensen et al. (2022). How can fisheries contribute more to a sustainable future?. (ekstern lenke)
• Tom Langbehn; Christian Jørgensen; Anna Jeja Gabriella Ljungström et al. (2019). Can a food systems approach redefine ecosystem-based fisheries management?. (ekstern lenke)

Forskningsrapport

• Per Arneberg; Berengere Husson; Anna Siwertsson et al. (2023). Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem - Appendices. (ekstern lenke)
• Per Arneberg; Berengere Husson; Anna Siwertsson et al. (2023). Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem. (ekstern lenke)

Konferanseforedrag

• Anna Jeja Gabriella Ljungström; Kim Josefin Niklasdotter Scherrer; Tom Langbehn et al. (2025). Spatial restrictions inadvertently doubled the carbon footprint of Norway’s mackerel fishing fleet. (ekstern lenke)
• Anders Martin Frugård Opdal; Christian Jørgensen; Lise Doksæter Sivle et al. (2025). Seasonal dynamics in ocean temperatures can give false impression of thermal bottleneck for spawning fish. (ekstern lenke)
• Anna Jeja Gabriella Ljungström; Kim Josefin Niklasdotter Scherrer; Tom Langbehn et al. (2024). The pelagic species and carbon footprints: Consequences from quota agreements. (ekstern lenke)
• Kim Josefin Niklasdotter Scherrer; Tom Langbehn; Anna Jeja Gabriella Ljungström et al. (2024). Fish for feed or food?. (ekstern lenke)
• Anders Martin Frugård Opdal; Christian Jørgensen; Lise Doksæter Sivle et al. (2024). Seasonal dynamics in ocean temperatures can give false impression of thermal bottleneck for spawning fish. (ekstern lenke)
• Tom Langbehn; Anna Jeja Gabriella Ljungström; Øyvind Fiksen et al. (2023). Model evidence for photic barriers to poleward range shifts. (ekstern lenke)
• Tom Langbehn; Kim Josefin Niklasdotter Scherrer; Anna Jeja Gabriella Ljungström et al. (2023). Spatial restrictions inadvertently doubled the carbon footprint of Norway’s mackerel fishing fleet. (ekstern lenke)
• Tom Langbehn; Anna Jeja Gabriella Ljungström; Øyvind Fiksen et al. (2023). Insights from mechanistic models: understanding causes and consequences of mesopelagic diel vertical migration across latitudes. (ekstern lenke)
• Kim Josefin Niklasdotter Scherrer; Anna Jeja Gabriella Ljungström; Tom Langbehn et al. (2023). Rethinking fisheries in the sustainability crisis - the role of small pelagics. (ekstern lenke)
• Anna Jeja Gabriella Ljungström; Tom Langbehn; Christian Jørgensen (2023). Bergman patterns in a warming ocean, their mechanistic basis, and implications for projecting responses to climate change. (ekstern lenke)
• Kim Josefin Niklasdotter Scherrer; Katja Susanna Enberg; Gjert Endre Dingsør et al. (2023). Trends in CO2 efficiency in North Atlantic fisheries. (ekstern lenke)
• Katja Susanna Enberg; Christian Jørgensen; Anna Jeja Gabriella Ljungström et al. (2023). How can fisheries contribute more to a sustainable future?. (ekstern lenke)
• Tom Jasper Langbehn; Anna Jeja Gabriella Ljungström; Christian Jørgensen (2021). Light and energetics at seasonal extremes limit poleward range shifts. (ekstern lenke)
• Tom Jasper Langbehn; Anna Jeja Gabriella Ljungström; Christian Jørgensen (2021). Equatorwards shifts of marine fishes under climate change: a rule rather than exception?. (ekstern lenke)

Konferanseposter

• Kim Josefin Niklasdotter Scherrer; Tom Langbehn; Anna Jeja Gabriella Ljungström et al. (2023). Unintended climate consequences of fishery management breakdown. (ekstern lenke)
• Christian Jørgensen; Tom Jasper Langbehn; Anna Jeja Gabriella Ljungström et al. (2023). Blue food, green food, and the nature crisis. (ekstern lenke)
• Tom Langbehn; Anna Jeja Gabriella Ljungström; Dag Lorents Aksnes et al. (2017). Increasing marine food production through ecolabeling. (ekstern lenke)
• Tom Langbehn; Anna Jeja Gabriella Ljungström; Øyvind Fiksen et al. (2017). Introducing a new hypothesis: Southward shifts of species distributions under climate change?. (ekstern lenke)

Masteroppgave

• Rebekka Haugland; Anna Jeja Gabriella Ljungström; Katja Enberg (2025). A Sea of Opportunity: Unlocking the Role of Small Pelagic Fish in the Transition to more Sustainable Diets in Norway. (ekstern lenke)

Medieintervju

• Leirvåg Asbjørn; Tom Jasper Langbehn; Anna Jeja Gabriella Ljungström (2021). Årstidene begrenser artsutbredelser i havet. (ekstern lenke)

Rettelse i tidsskrift

• Anna Jeja Gabriella Ljungström; Tessa B. Francis; Marc Mangel et al. (2019). Corrigendum: Parent-offspring conflict over reproductive timing: Ecological dynamics far away and at other times may explain spawning variability in Pacific herring (ICES Journal of Marine Science (2018) DOI: 10.1093/icesjms/fsy106). (ekstern lenke)

Vitenskapelig artikkel

• Kim Josefin Niklasdotter Scherrer; Tom Langbehn; Anna Jeja Gabriella Ljungström et al. (2024). Spatial restrictions inadvertently doubled the carbon footprint of Norway's mackerel fishing fleet. (ekstern lenke)
• Willow R. Lindsay; Badreddine Bererhi; Anna Jeja Gabriella Ljungström et al. (2023). Quantitative genetics of breeding coloration in sand lizards; genic capture unlikely to maintain additive genetic variance. (ekstern lenke)
• Anna Jeja Gabriella Ljungström; Tom Langbehn; Christian Jørgensen (2023). Bergmann patterns in planktivorous fishes: A light-size or zooplankton community-size rule is just as valid explanation as the temperature-size rule. (ekstern lenke)
• Anna Jeja Gabriella Ljungström; Tom Jasper Langbehn; Christian Jørgensen (2021). Light and energetics at seasonal extremes limit poleward range shifts. (ekstern lenke)
• Tom Langbehn; Dag Lorents Aksnes; Stein Kaartvedt et al. (2021). Poleward distribution of mesopelagic fishes is constrained by seasonality in light. (ekstern lenke)
• George D. Cunningham; Geoffrey M. While; Mats Olsson et al. (2020). Degrees of change: between and within population variation in thermal reaction norms of phenology in a viviparous lizard. (ekstern lenke)
• Anna Jeja Gabriella Ljungström; Tessa Francis; Marc Mangel et al. (2019). Parent-offspring conflict over reproductive timing: ecological dynamics far away and at other times may explain spawning variability in Pacific herring. (ekstern lenke)

Vitenskapelig litteraturgjennomgang

• P J Woods; J I Macdonald; H Bárðarson et al. (2021). A review of adaptation options in fisheries management to support resilience and transition under socio-ecological change. (ekstern lenke)

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