• Effects of temperature and N:P ratio on the invasion success of the cyanobacterium Raphidiopsis raciborskii 

  Meriggi, Carlotta Matilde Mariafrancesc; Johnson, Richard K.; Laugen, Ane Timenes; Drakare, Stina (Peer reviewed; Journal article, 2024)

  The tropical invasive freshwater cyanobacterium Raphidiopsis raciborskii, first recorded in Central Europe about two decades ago, is now a relatively widespread species, expanding its geographic range. Currently, however, ...

• Trajectory-based fish event classification through pre-training with diffusion models 

  Canovi, Noemi; Ellis, Benjamin A.; Sørdalen, Tonje Knutsen; Allken, Vaneeda; Halvorsen, Kim Aleksander Tallaksen; Malde, Ketil; Beyan, Cigdem (Peer reviewed; Journal article, 2024)

  This study contributes to advancing the field of automatic fish event recognition in natural underwater videos, addressing the current gap in studying fish interaction and competition, including predator-prey relationships ...

• Genome-Wide Population Structure in a Marine Keystone Species, the European Flat Oyster (Ostrea edulis) 

  Alves Monteiro, Homère J.; Bekkevold, Dorte; Pacheco, George Antunes; Mortensen, Stein; Lou, Runyang Nicolas; Therkildsen, Nina O.; Tanguy, Arnaud; Robert, Chloé; De Wit, Pierre; Meldrup, Dorte; Laugen, Ane Timenes; zu Ermgassen, Philine S. E.; Strand, Åsa; Saurel, Camille; Hemmer-Hansen, Jakob (Peer reviewed; Journal article, 2024)

  Ostrea edulis, the European flat oyster, was once a widespread economically and ecologically important marine species, but hassuffered dramatic declines over the past two centuries. Consequently, there has been a surge in ...

• In Vitro Cell Model Investigation of Alpha-Synuclein Aggregate Morphology Using Spectroscopic Imaging 

  Swaminathan, Priyanka; Klingstedt, Therése; Theologidis, Vasileios; Gram, Hjalte; Larsson, Johan; Hagen, Lars; Liabakk, Nina-Beate; Gederaas, Odrun Arna; Hammarström, Per; Nilsson, K. Peter R.; Van Den Berge, Nathalie; Lindgren, Mikael (Peer reviewed; Journal article, 2024)

  Recently, it has been hypothesized that alpha-synuclein protein strain morphology may be associated with clinical subtypes of alpha-synucleinopathies, like Parkinson’s disease and multiple system atrophy. However, direct ...

• Morphological evidence supports splitting of species in the North Atlantic Sebastes spp. complex 

  Bruvold, Ingrid Marie; Hansen, Agneta; Lynghammar, Arve; Höffle, Hannes; Hanebrekke, Tanja Lexau; Tranang, Caroline Aas; Nedreaas, Kjell Harald; Nilssen, Einar Magnus; Saha, Atal; Johansen, Torild (Journal article; Peer reviewed, 2025)

  The redfishes (genus Sebastes) are long-lived, commercial species in the North Atlantic. Excessive harvest through decades has led to a decline in the mature population of golden redfish (Sebastes norvegicus) in Norwegian ...

• Metazoan Biodiversity Across the Western Part of Agder, Southern Norway: Insights from High-Throughput DNA Metabarcoding 

  NASRIN JAVAHERIPOUR (Master thesis, 2024)

  Environmental DNA (eDNA) metabarcoding has emerged as a transformative tool for biodiversity monitoring, enabling efficient detection of species and community composition in aquatic ecosystems. This molecular approach ...

• Fully protected marine areas linked to reduced home ranges of fishes 

  Ohayon, Sarah; Abecasis, David; Almeida, Pedro R.; Alós, Josep; Aspillaga, Eneko; Belo, Ana Filipa; Costa, José Lino; Di Franco, Antonio; Di Lorenzo, Manfredi; Ferguson, Adrian; Guidetti, Paolo; Kraft, Sebastian; La Mesa, Gabriele; Olsen, Esben Moland; Parsons, Darren; Pickholtz, Renanel; Quintella, Bernardo R.; Silva, Ana Filipa; Taylor, Brett M.; Villegas-Ríos, David; Belmaker, Jonathan (Journal article; Peer reviewed, 2024)

  Home range size is a fundamental trait that can affect the probability of fish being harvested and, at the same time, may be affected by fishing. The relationship between home range size and fishing will impact the ...

• Molecular Detection of Baltic Prawn (Palaemon adspersus) during Larval Release 

  Chowdhury, Niloy Kumar (Master thesis, 2024)

  Marine decapods are one of the largest groups of invasive species in marine and coastal environments. They have a significant ecological and economic impact in the native environments. Due to their body structure (hard ...

• Molecular Detection of European Shore Crab (Carcinus maenas) During Larval Release in the Coast of Southern Norway 

  Paudel, Kamal (Master thesis, 2024)

  Although the eDNA method has proven effective for detecting aquatic species, its efficiency can vary depending on the species in question. Crustaceans are believed to shed a low amount of eDNA due to the presence of ...

• Bayesian estimation of spatially varying mortality risk using tagged animal data 

  Poulton, Anna J.; Villegas-Ríos, David; Freitas, Carla; Moland, Even; Olsen, Esben Moland; Sethi, Suresh A.; Ellner, Stephen P. (Journal article; Peer reviewed, 2024)

  The survival of animals is impacted by landscapes of spatially varying mortality factors including habitat type, predation risk or harvest risk, among others. Characterization of these spatial mortality processes is important ...

• Integration of citizen science and eDNA reveals novel ecological insights for marine fish conservation 

  Kvalheim, Lone; Stensrud, Eivind; Knutsen, Halvor; Hyvärinen, Olli Petteri; Eiler, Alexander (Peer reviewed; Journal article, 2024)

  In the face of climate change, the accelerating nature crisis, and other anthropogenic impacts, conserving biodiversity demands effective monitoring. While innovative approaches have emerged to enhance biodiversity assessment, ...

• Efficient and reliable methods for estimating the abundance of keystone coastal macrofauna over large spatial scales 

  Reamon, Molly Claire; Marcussen, Johanna Bjånes; Laugen, Ane Timenes; Korslund, Lars (Peer reviewed; Journal article, 2024)

  Coastal bivalves are important ecosystem engineers, and identifying critical habitats can enhance conservation outcomes for threated keystone species as well as determining hotspots for invasive species. As early action ...

• Unlocking the secret life of blue mussels: Exploring connectivity in the Skagerrak through biophysical modeling and population genomics 

  Gustafsson, Malin; Strand, Åsa; Laugen, Ane Timenes; Albretsen, Jon; André, Carl; Broström, Göran; Jorde, Per Erik; Knutsen, Halvor; Ortega-Martinez, Olga; Sodeland, Marte; Waern, Malin; Wrange, Anna-Lisa; De Wit, Pierre (Peer reviewed; Journal article, 2024)

  Knowledge of functional dispersal barriers in the marine environment can be used to inform a wide variety of management actions, such as marine spatial planning, restoration efforts, fisheries regulations, and invasive ...

• Technological creep masks continued decline in a lobster (Homarus gammarus) fishery over a century 

  Kleiven, Alf Ring; Espeland, Sigurd Heiberg; Stiansen, Stian; Ono, Kotaro; Zimmermann, Fabian; Olsen, Esben Moland (Peer reviewed; Journal article, 2022)

  Fishery-dependent data are frequently used to inform management decisions. However, inferences about stock development based on commercial data such as Catch-Per-Unit-Effort (CPUE) can be severely biased due to a phenomenon ...

• The International Union for Conservation of Nature Red List does not account for intraspecific diversity 

  Norderhaug, Kjell Magnus; Knutsen, Halvor; Filbee-Dexter, Karen; Sodeland, Marte; Jorde, Per Erik; Wernberg, Thomas; Oomen, Rebekah Alice; Moland, Even (Peer reviewed; Journal article, 2024)

  The International Union for Conservation of Nature (IUCN) Red List identifies threatened and endangered species and is a key instrument in global biodiversity conservation efforts. Our understanding of the structure and ...

• Successful growth of coastal marine microalgae in wastewater from a salmon recirculating aquaculture system 

  Borg-Stoveland, Stian; Draganovic, Vukasin; Spilling, Kristian; Gabrielsen, Tove M. (Journal article; Peer reviewed, 2024)

  As global demand for seafood increases, recirculating aquaculture systems (RAS) have gained prominence for sustainable fish rearing. The sustainability of RAS still requires improvement, particularly managing the fish ...

• Genetic monitoring uncovers long-distance marine feeding coupled with strong spatial segregation in sea trout (Salmo trutta L.) consistent at annual and decadal time scales 

  Bekkevold, Dorte; Knutsen, Halvor; Hemmer-Hansen, Jakob; Sodeland, Marte; Höjesjö, Johan; Bleeker, Katinka; Aarestrup, Kim; Skov, Christian Egander; Nielsen, Einar E (Journal article; Peer reviewed, 2024)

  Genetic data have greatly increased means to understand fish marine migration behaviours at large spatial scale within a quantitative framework. The anadromous sea trout is a prized target of recreational fishery and an ...

• Coherent long-term body-size responses across all Northwest Atlantic herring populations to warming and environmental change despite contrasting harvest and ecological factors 

  Beaudry-Sylvestre, Manuelle; Benoît, Hugues P.; Hutchings, Jeffrey (Peer reviewed; Journal article, 2024)

  Body size is a key component of individual fitness and an important factor in the structure and functioning of populations and ecosystems. Disentangling the effects of environmental change, harvest and intra- and inter-specific ...

• Condition factor tailored to lumpfish (Cyclopterus lumpus) used as cleaner fish in salmonid farms 

  Engebretsen, Solveig; Aldrin, Magne Tommy; Lunde, Liss; Austad, Marthe; Rafoss, Trond; Danielsen, Ole Roald; Lindhom, Andreas; Boissonnot, Lauris Jeannine Ernestine; Jansen, Peder Andreas (Peer reviewed; Journal article, 2024)

  Lumpfish (Cyclopterus lumpus) are extensively used as part of the control measures against salmon lice in fish farms. In recent years, there has been an increased focus on lumpfish welfare, and how to increase survival of ...

• Haulout Patterns of Harbour Seal Colonies in the Norwegian Skagerrak, as Monitored through Time-Lapse Camera Surveys 

  Meurs, Elsa Alie Ylona van; Moland, Even; Bjørge, Arne Jostein; Freitas, Carla (Peer reviewed; Journal article, 2024)

  Harbour seals (Phoca vitulina) are part of the Norwegian coastal ecosystem and can be observed on skerries, islands, and sandbanks along the coastline, sometimes in close proximity to inhabited areas. In this study, we ...

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