Guldborg Søvik

Arbeidserfaring

Ansatt på Havforskningsinstituttet siden 2003

2025-           leder for Forskningsgruppe Fiskeri

2014-2015   fungerende leder for Forskningsgruppe Bunnfisk

2009-2012   leder av Havforskningsinstituttets gruveteam

2008-2009   fungerende leder for Forskningsgruppe Bunnhabitat og skalldyr

Utdanning

2002 Universitetet i Oslo: Dr. Scient i terrestrisk, zoologisk økologi. Avhandling: Population biology and life history of the oribatid mite Ameronothrus lineatus in a high arctic site

1996 Universitetet i Bergen: Cand. Scient. i terrestrisk, zoologisk økologi. Hovedfagsoppgave: The Norwegian lemming, Lemmus lemmus (L.) and its food plants: A dynamic model of the hypothesis of grazing induced proteinase inhibitors

ICES arbeid

2025-2027       Co-chair of WGNEPH (ICES working group for the assessment of Nephrops stocks)

2016                Chair of WKPANDMSE (MSE for reke i sør (pra.27.3a4a))

2016-2018       Co-chair for NIPAG

2010-2025       Stock coordinator for sjøkreps i Norskerenna (FU 32)

2010-2016       WGCRAB (ICES working group on the biology and life history of crabs)

2008-2024       WGNSSK (ICES working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak)

2005-               NIPAG (NAFO/ICES Pandalus assessment group)

Utenlandsopphold

2014   Centro de Investigaciones Pesqueras, Havanna, Cuba. COLLABORATE.

1997   Agriculture and Agri-Food Canada, Ottawa, Canada. Dr.gradsarbeid

1993   Rijksuniversiteit Groningen, Nederland. Erasmusstudent

Verv og utvalg

2025-           Surveyforum

2020-2025   Styret i HI-akademiet, Havforskerlagets representant

2018-           Faglig utvalg for ressursforskning (FUR)

2017-2024   Trålforum, Kystprgrammets representant

2013            Likestillingsutvalget 

2013            Utvalg for revidering av internt opprykksreglement til 1183-forsker

2013            Medlem av Havforskerlagets styre og forhandlingsutvalg 

2008-2009   Varahovedverneombud ved Havforskningsinstituttet

Publikasjoner

Cardinale, M., Zimmermann, F., Søvik, G., Griffiths, C. A., Nord, M. B., Winker, H. 2023. Spatially explicit stock assessment uncovers sequential depletion of northern shrimp stock components in the North Sea. ICES Journal of Marine Science doi: 10.1093/icesjms/fsad111

Coulson, S. J., Leinaas, H. P., Ims, R. A., Søvik, G. 2000. Experimental manipulation of the winter surface ice layer: the effects on a High Arctic soil microarthropod community. Ecography 23: 299-306.

Bakke, S., Larssen, W. E., Woll, A., Søvik, G., Gundersen, A. C., Hvingel, C., Nilssen, E. M. 2018. Size at maturity and molting probability across latitude in female Cancer pagurus. Fisheries Research 205: 43-51. https://authors.elsevier.com/sd/article/S0165783618300985

Bergh, Ø., Beck, A.C., Olsen, E., Thangstad, T.H., Gonzalez-Mirelis, G., Tassetti, A.N., Grati, F., Bolognini, L., Søvik, G. 2023. Analysis of spatial conflicts of large scale salmonid aquaculture with coastal fisheries and other interests in a Norwegian fjord environment, using the novel GIS-tool SEAGRID and stakeholder surveys. Aquaculture 574. https://doi.org/10.1016/j.aquaculture.2023.739643.

Breivik, O. N., Aanes, F., Søvik, G., Aglen, A., Mehl, S., Johnsen, E. 2021. Predicting abundance indices in areas without coverage with a latent spatio-temporal Gaussian model. ICES Journal of Marine Science. doi:10.1093/icesjms/fsab073

Buhl-Mortensen, L., Thangstad, T. H., Søvik, G., Wehde, H. 2023. Sea pens and bamboo corals in Skagerrak and the Norwegian trench. Marine Biology Research 19(2-3): 191-206. https://doi.org/10.1080/17451000.2023.2224967

Gao, S., Johnsen, I. A., Falkenhaug, T., Søvik, G., Skogen, M. D. 2024. Particle exchange between coast and fjords and its biological implications. Estuarine, Coastal and Shelf Science Volume 299. https://doi.org/10.1016/j.ecss.2024.108689

Gullestad, P., Abotnes, A.M., Bakke, G., Mauritzen, M., Nedreaas, K., Søvik, G. 2017. Towards ecosystem-based fisheries management in Norway – Practical tools for keeping track of relevant issues and prioritising management efforts. Marine Policy 77: 104-110.

Hansen, A., Westgaard, J.-I., Søvik, G., Hanebrekke, T., Nilssen, E.M., Jorde, P.E., Albretsen, J., Johansen, T. 2021. Genetic differentiation between inshore and offshore populations of northern shrimp (Pandalus borealis). ICES Journal of Marine Science 78(9): 3135-3146. https://doi.org/10.1093/icesjms/fsab181

Henriksson, S., Jorde, P.E., Berkström, C., Søvik, G., De Wit, P., Knutsen, H., Moland, E., André, C., Jahnke, M. 2025. Connectivity and population structure in a marginal sea – a review. Diversity and Distributions (in print).

Jac, R., Höffle, H., Albretsen, J., Jakobsdóttir, K., Staby, A., Søvik, G., Junge, C. 2021. Of three sharks and one chimaera: varied habitat preferences across a latitudinal range revealed by coastal and offshore surveys. Journal of Fish Biology 100(3): 660-674. http://doi.org/10.1111/jfb.14979

Jorde, P.E., Søvik, G., Westgaard, J.-I., Albretsen, J., André, C., Hvingel, C., Johansen, T., Sandvik, A.D., Kingsley, M., Jørstad, K.E. 2015. Genetically distinct populations of northern shrimp, Pandalus borealis, in the North Atlantic: adaptation to different temperatures as an isolation factor. Molecular Ecology 24: 1742-1757.

Jorde, P.E., Søvik, G., Westgaard, J.-I., Orr, D., Han, G., Stansbury, D., Jørstad, K.E. 2014. Genetic population structure of northern shrimp, Pandalus borealis, in the Northwest Atlantic. Can. Tech. Rep. Fish. Aquat. Sci. 3046: iv + 27 p. 

Kilada, R., Agnalt, A.-L., Arboe, N.H., Bjarnason, S., Burmeister, A., Farestveit, E., Gíslason, S., Guðlaugsdóttir, A., Guðmundsdóttir, D., Jónasson, J.P., Jónsdóttir, I.G., Kvalsund, M., Sheridan, M., Stansbury, D., Søvik, G. 2015. Feasibility of using growth band counts in age determination of four crustacean species in the northern Atlantic. Journal of Crustacean Biology 35(4): 499-503.

Kjelstad, S., Salvanes, A.G.V., Zimmermann, F., Søvik, G., Gallo, N.D. 2025. Effects of Climate-Responsive, Fjordscape, and Aquaculture-Associated Environmental Drivers on Fjord Hyperbenthic Community Structure. Journal of Geophysical Research – Oceans, 130, e2024JC021852. http://dx.doi.org/10.1029/2024JC021852

Kjerstad, M., Ringvold, H., Søvik, G., Knott, E.K., Thangstad, T.H. 2015. Preliminary study on the utilisation of Norwegian red sea cucumber, Parastichopus tremulus (Gunnerus, 1767) (Holothuroidea, Echinodermata), from Norwegian waters: resource, biology and market. In: Gundersen A.C. and Velle, L.G. (eds.). Blue Bio-resources. Orkana Forlag, Stamsund 2015 ISBN 978-82-8104-266-7. pp. 109-132.

Kjesbu, O.S., Sundby, S., Sandø, A.B., Alix, M., Hjøllo, S.S., Tiedemann, M., Skern-Mauritzen, M., Junge, C., Fossheim, M., Broms, C.T., Søvik, G., Zimmermann, F., Nedreaas, K., Eriksen, E., Höffle, H., Hjelset, A.M., Kvamme, C., Reecht, Y., Knutsen, H., Aglen, A., Albert, O.T., Berg, E., Bogstad, B., Durif, C., Halvorsen, K.T., Høines, Å., Hvingel, C., Johannesen, E., Johnsen, E., Moland, E., Myksvoll, M.S., Nøttestad, L., Olsen, E., Skaret, G., Skjæraasen, J.E., Slotte, A., Staby, A., Stenevik, E.K., Stiansen, J.E., Stiasny, M., Sundet, J.H., Vikebø, F., Huse, G. 2022. Highly mixed impacts of near-future climate change on stock productivity proxies in the North East Atlantic. Fish and Fisheries 23(3): 601-615. http://doi.org/10.1111/faf.12635

Knutsen, H., Jorde, P.E., Gonzalez, E.B., Eigaard, O.R., Pereyra, R.T., Sannæs, H., Dahl, M., André, C., Søvik, G. 2015. Does population genetic structure support present management regulations of the northern shrimp (Pandalus borealis) in Skagerrak and the North Sea? ICES Journal of Marine Science 72(3): 863-871.

Krafft, B.A., Kvalsund, M., Søvik, G., Farestveit, E., Agnalt, A.-L. 2016. Detection of growth zones in the eyestalk of Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea). Journal of Crustacean Biology 36(3): 267-273. DOI: 10.1163/1937240X-00002428

Kutti, T., Bannister, R.J., Fosså, J.H., Krogness, C.M., Tjensvoll, I., Søvik, G. 2015. Metabolic responses of the deep-water sponge Geodia barretti to suspended bottom sediment, simulated mine tailings and drill cuttings. Journal of Experimental Marine Biology and Ecology 473: 64-72.  

Pereyra, R. T., Westgaard, J.-I., Dahl, M., Johansen, T., Knutsen, H., Ring, A.-K., Søvik, G., André, C. 2011. Isolation and characterization of nuclear microsatellite loci in the northern shrimp, Pandalus borealis. Conservation Genetics Resources 4(1): 109-112.

Skarðhamar, J., Sandvik, A.D., Sævik, P.N., Albretsen, J., Søvik, G. 2025. Fjord retention and dispersion of coastal shrimp larvae in Northern Norway. (submitted to Fisheries Research)

Søvik, G. 2003. Observations on ovoviviparity and mixed-parity mode in arctic populations of Ameronothrus lineatus (Acari, Oribatida). Acarologia XLIII: 393-398.

Søvik, G. 2004. The biology and life history of arctic populations of the littoral mite Ameronothrus lineatus (Acari, Oribatida). Experimental and Applied Acarology 34: 3-20.

Søvik, G., Leinaas, H. P. 2002. Variation in extraction efficiency between juvenile and adult oribatid mites: Ameronothrus lineatus (Oribatida, Acari) in a Macfadyen high-gradient canister extractor. Pedobiologia 46: 34-41.

Søvik, G., Leinaas, H. P. 2003. Adult survival and reproduction in an arctic mite, Ameronothrus lineatus (Acari, Oribatida): effects of temperature and winter cold. Canadian Journal of Zoology 81: 1579-1588.

Søvik, G., Leinaas, H. P. 2003. Long life cycle and high adult survival in an arctic population of the mite Ameronothrus lineatus (Acari, Oribatida) from Svalbard. Polar Biology 26: 500-508.

Søvik, G., Leinaas, H. P., Ims, R. A., Solhøy, T. 2003. Population dynamics and life history of the oribatid mite Ameronothrus lineatus (Acari, Oribatida) on the high arctic archipelago of Svalbard. Pedobiologia 47: 257-271.

Søvik, G., Furevik, D., Jørgensen, T., Bakke, S, Larssen, W.E., Thangstad, T.H., Woll, A.K. 2017. The Norwegian Nephrops fishery – history, exploitation and management. In: Thu, B.J. and Gundersen A.C. (eds.). Sustainable bio-resources. Management, product development and raw material quality. Orkana Akademisk, Stamsund, pp: 95-118. ISBN 978-82-8104-290-2

Søvik, G. Olsen, S. Aa., Hansen, A., Stiansen, S., Nilssen, E. M., Bjørn, P. A., Meier, S. Fatty acid composition of northern shrimp (Pandalus borealis) in relation to salmon aquaculture locations in Northern Norway. Aquaculture Environment Interactions (in print)

Tengvall, J., Søvik, G., Enberg, K., Lindstrøm, U., Strand, M., Pedersen, T., Strand, H. K., Zimmermann, F. 2024. Fine-scale diet data reveals spatial variation in predator-prey interactions in Norwegian fjords. Journal of Applied Ecology 61: 687-699. http://doi.org/10.1111/1365-2664.14603

Westgaard, J.-I., Søvik, G., Johansen, T. 2023. Genetic population structure in Norway lobster (Nephrops norwegicus): Management regime under panmixia. ICES Journal of Marine Science 80(4): 766–774. https://doi.org/10.1093/icesjms/fsad009

Ziegler, F., Hornborg, S., Valentinsson, D., Hognes, E.S., Søvik, G., Eigaard, O.R. 2016. Same stock, different management: quantifying the sustainability of three shrimp fisheries in the Skagerrak from a product perspective. - ICES Journal of Marine Science 73(7): 1806-1814.

Zimmermann, F., Kleiven, A. R., Ottesen, M. V., Søvik, G. 2022. Inclusion of recreational fishing in data-limited stocks: a case study on Norway lobster (Nephrops norvegicus) in Norway. Canadian Journal of Fisheries and Aquatic Sciences. https://cdnsciencepub.com/doi/full/10.1139/cjfas-2021-0152.

Zimmermann, F., Tengvall, J., Strand, H. K., Nedreaas, K., Thangstad, T. H., Husson, B., Søvik, G. 2023. Fine-scale spatial variation of northern shrimp and Atlantic cod across three Norwegian fjord systems and implications for management. Estuarine, Coastal and Shelf Science 292 (2023). https://doi.org/10.1016/j.ecss.2023.108435