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Associate Professor

Nilssen, Einar Magnus

Associate professor
Department of Arctic and Marine Biology




Publications in CRIStin


  • Pedersen, Torstein; Fuhrmann, Mona Maria; Lindstrøm, Ulf; Nilssen, Einar Magnus; Ivarjord, Trond; Ramasco, Virginie; Jørgensen, Lis Lindal; Sundet, Jan Henry; Sivertsen, Knut; Kube, Emma; Hjelset, Ann Merete; Michaelsen, Christer; Systad, Geir Helge Rødli; Norrbin, Fredrika; Svenning, Martin; Bjørge, Arne Jostein; Steen, Henning; Nilssen, Kjell Tormod. Effects of the invasive red king crab on food web structure and ecosystem properties in an Atlantic fjord. Marine Ecology Progress Series 2018; Volum 596. ISSN 0171-8630.s 13 - 31.s doi: 10.3354/meps12548.

  • Bakke, Snorre; Larssen, Wenche Merete Emblem; Woll, Astrid Kari; Søvik, Guldborg; Gundersen, Agnes Christine; Hvingel, Carsten; Nilssen, Einar Magnus. Size at maturity and molting probability across latitude in female Cancer pagurus. Fisheries Research 2018; Volum 205. ISSN 0165-7836.s 43 - 51.s doi: 10.1016/j.fishres.2018.03.024.

  • Michelsen, Helena Kling; Svensen, Camilla; Reigstad, Marit; Nilssen, Einar Magnus; Pedersen, Torstein. Seasonal dynamics of meroplankton in a high-latitude fjord. Journal of Marine Systems 2017; Volum 168. ISSN 0924-7963.s 17 - 30.s doi: 10.1016/j.jmarsys.2016.12.001.

  • Michelsen, Helena Kling; Nilssen, Einar Magnus; Pedersen, Torstein; Reigstad, Marit; Svensen, Camilla. Spatial patterns of spring meroplankton along environmental gradients in a sub-Arctic fjord. Aquatic Biology 2017; Volum 28. ISSN 1864-7782.s 185 - 197.s doi: /10.3354/ab00686.

  • Fuhrmann, Mona Maria; Pedersen, Torstein; Nilssen, Einar Magnus. Trophic niche of the invasive red king crab Paralithodes camtschaticus in a benthic food web. Marine Ecology Progress Series 2017; Volum 565. ISSN 0171-8630.s 113 - 129.s doi: 10.3354/meps12023.

  • Pedersen, Torstein; Ramsvatn, Silje; Nilssen, Einar Magnus; Nilsen, Marianne; Morissette, Lyne; Ivarjord, Trond; Systad, Geir Helge; Kolsum, Ina; Fause, Håvard Tjelmeland. Species diversity affects ecosystem structure and mass flows in fjords. Regional Studies in Marine Science 2016; Volum 3. ISSN 2352-4855.s 205 - 215.s doi: 10.1016/j.rsma.2015.10.007.

  • Fuhrmann, Mona Maria; Pedersen, Torstein; Ramasco, Virginie; Nilssen, Einar Magnus. Macrobenthic biomass and production in a heterogenic subarctic fjord after invasion by the red king crab. Journal of Sea Research 2015; Volum 106. ISSN 1385-1101.s 1 - 13.s doi: 10.1016/j.seares.2015.09.003.

  • Windsland, Kristin; Hvingel, Carsten; Nilssen, Einar Magnus; Sundet, Jan Henry. Dispersal of the introduced red king crab (Paralithodes camtschaticus) in Norwegian waters: a tag-recapture study. ICES Journal of Marine Science 2014; Volum 71 (7). ISSN 1054-3139.s 1966 - 1976.s doi: 10.1093/icesjms/fst241.

  • Windsland, Kristin; Hvingel, Carsten; Nilssen, Einar Magnus; Sundet, Jan Henry. Evaluation of von bertalanffy growth curves for the introduced red king crab (Paralithodes camtschaticus) in Norwegian waters. Fisheries Research 2013; Volum 145. ISSN 0165-7836.s 15 - 21.s doi: 10.1016/j.fishres.2013.03.003.

  • Hjelset, Ann Merete; Nilssen, Einar Magnus; Sundet, Jan Henry. Reduced size composition and fecundity related to fishery and invasion history in the introduced red king crab (Paralithodes camtschaticus) in Norwegian waters. Fisheries Research 2012; Volum 121. ISSN 0165-7836.s 73 - 80.s doi: 10.1016/j.fishres.2012.01.010.

  • Wiedmann, Magnus Aune; Pedersen, ole petter; Nilssen, Einar Magnus. The recruitment process of the Barents Sea capelin (Mallotus villosus) stock, 2001-2003. Fisheries Oceanography 2012; Volum 21 (6). ISSN 1054-6006.s 379 - 392.s doi: 10.1111/j.1365-2419.2012.00634.x.

  • Christiansen, Jørgen Schou; Hop, Haakon; Nilssen, Einar Magnus; Joensen, John. Trophic ecology of sympatric Arctic gadoids, Arctogadus glacialis (Peters, 1872) and Boreogadus saida (Lepechin, 1774), in NE Greenland. Polar Biology 2012; Volum 35 (8). ISSN 0722-4060.s 1247 - 1257.s doi: 10.1007/s00300-012-1170-y.

  • Jørgensen, Lis Lindal; Nilssen, Einar Magnus. The Invasive History, Impact and Management of the Red King Crab Paralithodes camtschaticus off the Coast of Norway. Springer 2011 ISBN 978-94-007-0590-6.s 521 - 536.

  • Hammer, Cornelius; von Dorrien, Christian; Hopkins, Christopher C E; Köster, Fritz W; Nilssen, Einar Magnus; St John, Michael; Wilson, Douglas C. Framework of stock-recovery strategies: analyses of factors affecting success and failure. ICES Journal of Marine Science 2010; Volum 67 (9). ISSN 1054-3139.s 1849 - 1855.s doi: 10.1093/icesjms/fsq122.

  • Nilssen, Einar Magnus; Aschan, Michaela. Catch, survey and life-history data for shrimp (Pandalus borealis) off Jan Mayen. Deep-sea research. Part II, Topical studies in oceanography 2009; Volum 56 (21-22). ISSN 0967-0645.s 2023 - 2036.s doi: 10.1016/j.dsr2.2008.11.013.

  • Hjelset, Ann Merete; Sundet, Jan H.; Nilssen, Einar Magnus. Size at sexual maturity in the female red king crab (Paralithodes camtschaticus) in a newly settled population in the Barents Sea, Norway. Journal of Northwest Atlantic Fishery Science 2008; Volum 41. ISSN 0250-6408.s 173 - 182.s doi: 10.2960/J.v41.m633.

  • Pedersen, Torstein; Nilsen, Marianne; Nilssen, Einar Magnus; Berg, Erik; Reigstad, Marit. Trophic model of a lightly exploited cod-dominated ecosystem. Ecological Modelling 2008; Volum 214. ISSN 0304-3800.s 95 - 111.s doi: 10.1016/j.ecolmodel.2007.12.012.

  • Nilsen, marianne; Pedersen, Torstein; Nilssen, Einar Magnus; Fredriksen, Stein. Trophic studies in a high-latitude fjord ecosystem - a comparison of stable isotope analyses (delta 13C and delta 15N)and trophic-level estimates from a mass-balance model. Canadian Journal of Fisheries and Aquatic Sciences 2008; Volum 65 (12). ISSN 0706-652X.s 2791 - 2806.s doi: 10.1016/j.dsr2.2008.05.008.

  • Fossheim, Maria; Nilssen, Einar Magnus; Aschan, Michaela. Fish assemblages in the Barents Sea. Marine Biology Research 2006; Volum 2. ISSN 1745-1000.s 260 - 269.

  • Pedersen, Ole Petter; Nilssen, Einar Magnus; Jørgensen, Lis Lindahl; Slagstad, Dag. Advection of the red king crab larvae on the coast of North Norway - A lagrangian model study. Fisheries Research 2006; Volum 79 (3). ISSN 0165-7836.s 325 - 336.

  • Nilsen, Marianne; Pedersen, Torstein; Nilssen, Einar Magnus. Macrobenthic biomass, productivity (P/(B)over-bar) and production in a high-latitude ecosystem, North Norway. Marine Ecology Progress Series 2006; Volum 321. ISSN 0171-8630.s 67 - 77.

  • Nilssen, Einar Magnus; Sundet, Jan. The introduced species red king crab (Paralithodes camtschaticus) in the Barents Sea II. Growth increments and moulting probability. Fisheries Research 2006; Volum 82. ISSN 0165-7836.s 319 - 326.

  • Vollen, Tone; Albert, Ole Thomas; Nilssen, Einar Magnus. Diet composition and feeding behaviour of juvenile Greenland halibut (Reinhardtius hippoglossoides) in the Svalbard area. Journal of Sea Research 2004; Volum 51. ISSN 1385-1101.s 251 - 259.

  • Fossen, Inge; Albert, Ole Thomas; Nilssen, Einar Magnus. Improving the precision of ageing assessment for long rough dab by using digitised pictures and otolith measurements. Fisheries Research 2003; Volum 60 (1). ISSN 0165-7836.s 53 - 64.s doi: 10.1016/S0165-7836(02)00063-2.

  • Hovde, S.C.; Albert, Ole Thomas; Nilssen, Einar Magnus. Spatial, seasonal and ontogenetic variation in diet of Northeast Arctic Greenland halibut (Reinhardtius hippoglossoides). ICES Journal of Marine Science 2002; Volum 59 (2). ISSN 1054-3139.s 421 - 437.s doi: 10.1006/jmsc.2002.1171.

  • Albert, Ole Thomas; Nilssen, Einar Magnus; Nedreaas, Kjell Harald; Gundersen, Agnes Christine. Distribution and abundance of juvenile Northeast Arctic Greenland halibut (Reinhardtius hippoglossoides) in relation to survey coverage and the physical environment. ICES Journal of Marine Science 2001; Volum 58 (5). ISSN 1054-3139.s 1053 - 1062.s doi: 10.1006/jmsc.2001.1094.

  • Albert, Ole Thomas; Nilssen, Einar Magnus; Stene, Anne; Gundersen, Agnes Christine; Nedreaas, Kjell Harald. Maturity classes and spawning behaviour of Greenland halibut (Reinhardtius hippoglossoides). Fisheries Research 2001; Volum 51 (2-3). ISSN 0165-7836.s 217 - 228.s doi: 10.1016/S0165-7836(01)00247-8.

  • Fossen, Inge; Albert, Ole Thomas; Nilssen, Einar Magnus. Back-calculated individual growth of long rough dab (Hippoglossoides platessoides) in the Barents Sea. ICES Journal of Marine Science 1999; Volum 56. ISSN 1054-3139.s 689 - 696.

  • Andreasen, Thomas Vennø; Gulliksen, Bjørn; Haug, tore; Nilssen, Einar Magnus; Ringø, Einar. Protein content and amino acid composition of young Atlantic halibut (Hippoglossoides L.) captured in the autumn in North-Norway. ICES Journal of Marine Science 1993; Volum 50. ISSN 1054-3139.s 93 - 100.

  • Källgren, Emma; Pedersen, Torstein; Nilssen, Einar Magnus. Food resource partitioning between three sympatric fish species in Porsangerfjord, Norway. Polar Biology 2014; Volum 38 (4). ISSN 0722-4060.s 583 - 589.s doi: 10.1007/s00300-014-1611-x.

  • Michelsen, Helena Kling; Svensen, Camilla; Reigstad, Marit; Nilssen, Einar Magnus; Pedersen, Torstein. Seasonal dynamics of meroplankton and red king crab larvae (Paralithodes camtschaticus) in an arctic fjord. ForBio Annual meeting 2014-02-24 - 2014-02-26 2014.

  • Pedersen, Torstein; Lindstrøm, Ulf; Nilssen, Einar Magnus; Fuhrmann, Mona Maria; Ivarjord, Trond; Nilssen, Kjell Tormod; Ramasco, Virginie; Jørgensen, Lis Lindal; Sundet, Jan Henry; Sivertsen, Knut; Källgren, Emma; Michaelsen, Christer; Systad, Geir Helge; Svenning, Martin. Ecopath modelling of ecosystem structure of a subarctic norwegian fjord after a decline in the coastal cod (Gadus morhua) stock. Gadoid Fisheries, The Ecology and Management of Redbuilding 2013-10-15 - 2013-10-18 2013.

  • Nilsen, Marianne; Pedersen, Torstein; Nilssen, Einar Magnus. Spatial distribution of secondary benthic invertebrate production in a north Norwegian fjord system. Arctic Frontiers 2013 Conference 2013-01-21 - 2013-01-25 2013.

  • Pedersen, Torstein; Ramsvatn, Silje; Nilssen, Einar Magnus; Nilsen, Marianne; Ivarjord, Trond; Maurstad, Anita; Kolsum, Ina; Systad, Geir Helge; Morissette, Lyne. Effekter av forskjellige fangstregimer på fangstutbytte og økosystemindikatorer i to kystøkosystemer undersøkt ved ECOPATH modellering. Seminar om "Blandingsfiske som reguleringsmodell" 2012-02-15 - 2012-02-15 2012.

  • Pedersen, Torstein; Nilssen, Einar Magnus; Ramsvatn, Silje; Ivarjord, Trond; Museæus, Fredrikke; Nilsen, Marianne; Morissette, Lyne; Maurstad, Anita; Fause, Håvard T.; Kolsum, Ina; Michaelsen, Christer; Systad, Geir Helge. Investigating coastal ecosystem structure and dynamics using Ecopath/Ecosim ecosystem models and stable isotope data. Havet og kysten forskerseminar 2012 2012-10-24 - 2012-10-24 2012.

  • Fause, Håvard T.; Nilssen, Einar Magnus. Vekst og produksjonsdynamikk hos rosenglassreker (Pasiphaea multidentata) i Ullsfjorden, Nord-Norge. (fulltekst) 2011.

  • Pedersen, Torstein; Ramsvatn, Silje; Nilssen, Einar Magnus; Nilsen, Marianne; Ivarjord, Trond; Maurstad, Anita; Kolsum, Ina; Systad, Geir Helge; Morissette, Lyne. Investigating effects of various harvest regimes on fishery yield and ecosystem health indicators of two coastal ecosystems using ECOPATH modelling. The 2nd International Symposium on Integrated Coastal Zone Management 2011-07-03 - 2011-07-07 2011.

  • Fuhrmann, Mona Maria; Nilssen, Einar Magnus; Pedersen, Torstein; Jørgensen, Lis Lindal. Impact of the invasive red king crab (Paralithodes camtschaticus) on soft bottom infauna, Porsangerfjord, Norway. 7th International Conference on Marine Bioinvasions 2011-08-23 - 2011-08-25 2011.

  • Morissette, Lyne; Pedersen, Torstein; Ramsvatn, Silje; Nilssen, Einar Magnus; Nilsen, Marianne. Way up north, global changes but specific responses. A trans-Atlantic, cross-system analysis of how fishing and climate might alter the structure and function of marine ecosystems. The International Polar Year Oslo Science Conference - 8-12 June 2010 2010-06-06 - 2012-06-12 2010.

  • Ramsvatn, Silje; Pedersen, Torstein; Nilssen, Einar Magnus. Comparing trophic structure and diversity in northern ecosystems using stable isotope data. ICES Annual Science Conference 2010-09-20 - 2010-09-24 2010.

  • Pedersen, Torstein; Nilssen, Einar Magnus; Nilsen, Marianne; Morissette, Lyne; Maurstad, Anita. Structure of two high latitude Norwegian fjord ecosystems analysed using Ecopath. 2009; Volum 17 (3). ISSN 1198-6727.

  • Pedersen, Torstein; Nilssen, Einar Magnus; Nilsen, Marianne; Morissette, Lyne; Maurstad, Anita; Ramsvatn, Silje. Analysing structure and dynamics of northern coastal ecosystems using Ecopath/Ecosim models. Havet og kysten konferansen 2009 2009-04-28 - 2009-04-29 2009.

  • Pedersen, Torstein; Nilssen, Einar Magnus; Nilsen, Marianne; Morissette, Lyne; Maurstad, Anita; Ramsvatn, Silje. Structure of two high latitude Norwegian fjord ecosystems analysed using Ecopath. ECOPATH Twenty-five years 2009-08-30 - 2012-09-01 2009.

  • Larsen, Roger B.; Nilssen, Einar Magnus. Erstatningsfartøy for F/F Johan Ruud � plattform for marin forskning og undervisning ved UiTø i fjord og kystnære farvann fram til 2035. 2002.

  • Nilssen, Einar Magnus; Larsen, Roger B.; Hopkins, Chris E.E.. Catch and size-selection of Pandalus borealis in a bottom trawl and implications for population dynamics analyses. ICES Council Meeting 1986-10-01 - 1986.

  • Member of research group