• Adaptive management of living marine resources by integrating different data sources and key ecological processes (ADMAR): A joint effort by IMR and CEES 

      Handegard, Nils Olav; Stenseth, Nils Christian; Dankel, Dorothy Jane; Durant, Joël M.; Eikeset, Anne Maria; Enberg, Katja; Hjermann, Dag Ø.; Huse, Geir; Pennington, Michael; Skern-Mauritzen, Mette; Stige, Leif Christian; Subbey, Samuel; Vølstad, Jon Helge (ICES CM documents;2010/R:26 Poster;, Working paper, 2010-09)
    • Cod and climate: effect of the North Atlantic Oscillation on recruitment in the North Atlantic 

      Stige, Leif Christian; Ottersen, Geir; Brander, Keith; Chan, Kung-Sik; Stenseth, Nils Christian (Journal article; Peer reviewed, 2006-11-07)
      The impact of the environment on interannual variability in fish recruitment has proven difficult to establish empirically, and environment-recruitment correlations have often been found to break down when more data become ...
    • Combined effects of fishing and oil spills on marine fish: Role of stock demographic structure for offspring overlap with oil 

      Stige, Leif Christian; Ottersen, Geir; Yaragina, Nathalia A.; Vikebø, Frode Bendiksen; Stenseth, Nils Christian; Langangen, Øystein (Journal article; Peer reviewed, 2018)
      It has been proposed that the multiple pressures of fishing and petroleum activities impact fish stocks in synergy, as fishing-induced demographic changes in a stock may lead to increased sensitivity to detrimental effects ...
    • Combining hydrographical particles-tracking models with spatial analyses to evaluate spatial dynamics of cod larvae and 0-group in the Barents Sea 

      Hidalgo, Manuel; Gusdal, Yvonne; Dingsør, Gjert Endre; Ciannelli, Lorenzo; Hjermann, Dag Ø.; Ottersen, Geir; Stige, Leif Christian; Fossum, Ingerid; Melsom, Arne; Stenseth, Nils Christian (ICES CM Documents;2009/C:06, Working paper, 2009)
      Recruitment ecology of cod has been an important focus within the framework of GLOBEC. A large part of this work focused on understanding the spatiotemporal component of cod populations. For the early pelagic life stages, ...
    • Contrasting effects of rising temperatures on trophic interactions in marine ecosystems 

      Durant, Joel Marcel; Molinero, Juan Carlos; Ottersen, Geir; Reygondeau, Gabriel; Stige, Leif Christian; Langangen, Øystein (Journal article; Peer reviewed, 2019)
      In high-latitude marine environments, primary producers and their consumers show seasonal peaks of abundance in response to annual light cycle, water column stability and nutrient availability. Predatory species have adapted ...
    • Contrasting effects of rising temperatures on trophic interactions in marine ecosystems 

      Durant, Joel Marcel; Molinero, Juan Carlos; Ottersen, Geir; Reygondeau, Gabriel; Stige, Leif Christian; Langangen, Øystein (Journal article; Peer reviewed, 2019)
      In high-latitude marine environments, primary producers and their consumers show seasonal peaks of abundance in response to annual light cycle, water column stability and nutrient availability. Predatory species have adapted ...
    • Density‐ and size‐dependent mortality in fish early life stages 

      Stige, Leif Christian; Rogers, Lauren; Neuheimer, Anna B.; Hunsicker, Mary E.; Yaragina, Natalia A.; Ottersen, Geir; Ciannelli, Lorenzo; Langangen, Øystein; Durant, Joel Marcel (Journal article; Peer reviewed, 2019)
      The importance of survival and growth variations early in life for population dynamics depends on the degrees of compensatory density dependence and size dependence in survival at later life stages. Quantifying density‐ ...
    • Diel vertical migration patterns in juvenile cod from the Skagerrak coast 

      Espeland, Sigurd Heiberg; Thoresen, Adine Guldborg; Olsen, Esben Moland; Stige, Leif Christian; Knutsen, Halvor; Gjøsæter, Jakob; Stenseth, Nils Christian (Journal article; Peer reviewed, 2010-04-29)
      We demonstrated a clear year-round diel vertical migration pattern (DVM) of small (26 to 45 cm) Skagerrak coastal cod Gadus morhua on a small geographic scale. Generalized additive models (GAMs) were used to make inferences ...
    • Direct and indirect climate forcing in a multi-species marine system 

      Ottersen, Geir; Stige, Leif Christian; Dalpadado, Padmini; Chan, Kung-Sik; Hjermann, Dag Ø.; Lajus, Dmitry L.; Yaragina, Natalia A.; Stenseth, Nils Christian (Journal article; Peer reviewed, 2010-10)
      Interactions within and between species complicate quantification of climate effects, by causing indirect, often delayed, effects of climate fluctuations and compensation of mortality. Here we identify direct and indirect ...
    • Direct and indirect effects of sea ice cover on major zooplankton groups and planktivorous fishes in the Barents Sea 

      Stige, Leif Christian; Eriksen, Elena; Dalpadado, Padmini; Ono, Kotaro (Peer reviewed; Journal article, 2019)
      Reductions in Arctic sea ice affect marine food webs through a multitude of direct and indirect effects. We here analysed direct, indirect, and delayed associations between winter sea ice cover and year-to-year changes in ...
    • Effects of climate and spawning stock structure on the spatial distribution of Northeast Arctic cod larvae 

      Endo, Clarissa; Vikebø, Frode Bendiksen; Yaragina, Natalia A.; Hjøllo, Solfrid Sætre; Stige, Leif Christian (Peer reviewed; Journal article, 2020)
      The spatial distribution of fish early life stages can impact recruitment at later stages and affect population size and resilience. Northeast Arctic (NEA) cod spawning occurs along the Norwegian coast. Eggs, larvae, and ...
    • Environmental toxicology: Population modeling of cod larvae shows high sensitivity to loss of zooplankton prey 

      Stige, Leif Christian; Ottersen, Geir; Hjermann, Dag Ø.; Dalpadado, Padmini; Jensen, Louise K.; Stenseth, Nils Christian (Journal article; Peer reviewed, 2010-12-30)
      Two factors determine whether pollution is likely to affect a population indirectly through loss of prey: firstly, the sensitivity of the prey to the pollutants, and secondly, the sensitivity of the predator population to ...
    • Environmental toxicology: Population modeling of cod larvae shows high sensitivity to loss of zooplankton prey 

      Stige, Leif Christian; Ottersen, Geir; Hjermann, Dag Ø.; Dalpadado, Padmini; Jensen, Louise K.; Stenseth, Nils Christian (Journal article; Peer reviewed, 2010-12-30)
      Two factors determine whether pollution is likely to affect a population indirectly through loss of prey: firstly, the sensitivity of the prey to the pollutants, and secondly, the sensitivity of the predator population to ...
    • Match-mismatch dynamics in the Norwegian-Barents Sea system 

      Ferreira, Ana Sofia De Araújo; Stige, Leif Christian; Neuheimer, Anna B.; Bogstad, Bjarte; Yaragina, Natalia A.; Prokopchuk, Irina; Durant, Joel Marcel (Peer reviewed; Journal article, 2020)
      A key process affecting variation in the recruitment of fish into fisheries is the spatio-temporal overlap between prey and predator (match-mismatch hypothesis, MMH). The Northeast Arctic cod Gadus morhua and its dominant ...
    • Match-mismatch dynamics in the Norwegian-Barents Sea system 

      Ferreira, Ana Sofia De Araújo; Stige, Leif Christian; Neuheimer, Anna B.; Bogstad, Bjarte; Yaragina, Natalia A.; Prokopchuk, Irina; Durant, Joel Marcel (Peer reviewed; Journal article, 2020)
      A key process affecting variation in the recruitment of fish into fisheries is the spatio-temporal overlap between prey and predator (match-mismatch hypothesis, MMH). The Northeast Arctic cod Gadus morhua and its dominant ...
    • Ontogenetic spatial constraints of sub-arctic marine fish species 

      Ciannelli, Lorenzo; Neuheimer, Anna B.; Stige, Leif Christian; Frank, Kenneth T.; Durant, Joël; Hunsicker, Mary E.; Rogers, Lauren; Porter, Steve; Ottersen, Geir; Yaragina, Natalia A. (Peer reviewed; Journal article, 2021)
      Marine species may respond and adapt to climate change through shifting spatial distributions, but options may be limited by the occupancy of essential habitats which are anchored in space. Limited knowledge of when spatial ...
    • Sea ice, temperature, and prey effects on annual variations in mean lengths of a key Arctic fish, Boreogadus saida, in the Barents Sea 

      Dupont, Nicolas; Durant, Joel Marcel; Langangen, Øystein; Gjøsæter, Harald; Stige, Leif Christian (Peer reviewed; Journal article, 2020)
      Oceanographic conditions in the Arctic are changing, with sea ice cover decreasing and sea temperatures increasing. Our understanding of the effects on marine populations in the area is, however, limited. Here, we focus ...
    • The effects of oil spills on marine fish: Implications of spatial variation in natural mortality 

      Langangen, Øystein; Olsen, Erik Joel Steinar; Stige, Leif Christian; Ohlberger, Jan Philipp; Yaragina, Natalia A.; Vikebø, Frode Bendiksen; Bogstad, Bjarte; Stenseth, Nils Christian; Hjermann, Dag Øystein (Peer reviewed; Journal article, 2017)