Members

Research interests:

• Plankton ecology with a main emphasis on phytoplankton and zooplankton
• The impact of changing sea ice conditions and associated effects on phytoplankton and ice algal communities
• Ecosystem structure and energy flow of Arctic marine food webs including fatty acid throphic markers and stable isotope studies.

Running national and international projects:

• The Nansen Legacy (2018-2022)
• Arctic Ecosystem Monoitoring: Pelagic study in Kongsfjorden (2010->)
• MOSJ: Pelagic study in Kongsfjorden (2009->)

Completed national and international projects:

• N-ICE2015: Ecosystem dynamics in a high-Arctic pack ice environment (5 Jan 2015–30 Jun 2015)
• CLEOPATRA II: Climate effects on planktonic food quality and trophic transfer in the Arctic marginal ice zone (1 Jul 2012–30 Jul 2015)

Relevant scientific publications:

1. Hop H, Wold A, Vihtakari M, Daase M, Kwasniewski S, Gluchowska M, Lischka S, Buchholz F, Falk-Petersen S (accepted) Zooplankton in Kongsfjorden (1996-2016) in relation to climate change. Advances in Polar Ecology
2. Darnis G, Wold A, Falk-Petersen S, Graeve M, Fortier L (2018) Could offspring predation offset the successful reproduction of the arctic copepod Calanus hyperboreus under reduced sea-ice cover conditions? Progress in Oceanography 170: 107:118. https://doi.org/10.1016/j.pocean.2018.11.004
3. Fernández-Méndez M, Olsen LM, Kauko HM, Meyer A, Rösel A, Merkouriadi I, Mundy CJ, Ehn JK, Johansson MA, Wagner PM, Ervik Å, Sorrell BK, Duarte PM, Wold A, Hop H, Assmy P (2018) Algal hot spots in a changing Arctic Ocean: Sea-ice ridges and the snow-ice interface. Frontiers in Marine Science
4. Brown TA, Assmy P, Hop H, Wold A, Belt S (2017) Transfer of ice algae carbon to ice associated amphipods in the high-Arctic pack ice environment. J. Plankton Res. 00(00): 1–11. doi:10.1093/plankt/fbx030
5. Haug T, Falk-Petersen S, Greenacre M, Hop H, Lindstrøm U, Meier S, Nilssen KT, Wold A (2017). Trophic level and fatty acids in harp seals compares with common minke whales in the Barents Sea. Marin. Biol. Res. doi.org/10.1080/17451000.2017.1313988
6. Darnis G, Hobbs L, Geoffroy M, Grenvald JC, Renaud PE, Berge J, Cottier F, Kristiansen S, Daase M, Søreide J, Wold A, Morata N, Gabrielsen T (2017). From polar night to midnight sun: Diel vertical migration, metabolism and biogeochemical role of zooplankton in a high Arctic fjord (Kongsfjorden, Svalbard). Limnol. Oceanogr., doi: 10.1002/lno.10519.
7. Assmy P, Fernández-Méndez M, Duarte P, Meyer A, Randelhoff A, Mundy CJ, Olsen LM, Kauko HM, Bailey A, Chierici M, Cohen L, Doulgeris AP, Ehn JK, Fransson A, Gerland S, Hop H, Hudson SR, Hughes N, Itkin P, Johnsen G, King JA, Koch BP, Koenig Z, Kwasniewski S, Laney SR, Nicolaus M, Pavlov AK, Polashenski CM, Provost C, Rösel A, Sandbu M, Spreen G, Smedsrud LH, Sundfjord A, Taskjelle T, Tatarek A, Wiktor J, Wagner PM, Wold A, Steen H, Granskog MA (2017). Leads in Arctic pack ice enable early phytoplankton blooms below snow-covered sea ice. Scientific Reports 7:40850 DOI:10.1038/srep40850
8. Fransson A, Chierici M, Hop H, Findlay HS, Kristiansen S, Wold A (2016) Late winter-to-summer change in ocean acidification state in Kongsfjorden, with implications for calcifying organisms. Polar Biology 39:1841:1857. DOI 10.1007/s00300-016-1955-5
9. Dalpadado P, Hop H, Rønning J, Pavlov V, Sperfeld E, Buchholz F, Rey A, Wold A (2015) Distribution and abundance of euphausiids and pelagic amphipods in Kongsfjorden, Isfjorden and Rijpfjorden (Svalbard) and changes in their relative importance as key prey in a warming marine ecosystem. Polar Biol. DOI 10.1007/s00300-015-1874-x
10. Mayzaud, P., Falk-Petersen, S., Noyon, M., Wold, A., Boutoute, M. 2015. Lipid composition of three co-existing Calanus species in the Arctic: impact of season, location and environment. Polar Biology, DOI:10.1007/s00300-015-1725-9
11. Zarubin, M., Genin, A., Falk-Petersen, S., Wold, A., Farstey, V. 2014. Intraspecific differences in lipid content of Calanoid copepods across fine-scale depth ranges within the photic layer. Plos One 9(3). DOI:10.1371/journal.pone.0092935
12. Blachowiak-Samolyk, K., Anna-Maria, K., Falk-Petersen, S., Wold, A., Hegseth, E.N., Wiktor, J. 2014. Winter Tales: The dark side of planktonic life. Polar Biology 38(1):23-36. DOI:10.1007/s00300-014-1597-4
13. Daase, M., Falk-Petersen, S., Varpe, Ø., Darnis, G., Søreide, J.E., Wold, A., Leu, E., Berge, J., Philippe, B., Fortier, L. 2013. Timing of reproductive events in the marine copepod Calanus glacialis: a pan-Arctic perspective. Canadian Journal of Fisheries and Aquatic Sciences 70(6): 871–884. DOI:10.1139/cjfas-2012-0401
14. Berge, J., Varpe, Ø., Moline, M.A., Wold, A., Renaud, P.E., Daase, M., Falk-Petersen, S. 2012. Retention of ice-associated amphipods: possible consequences for an ice-free Arctic Ocean. Biology Letters 8(6): 1012–1015.
    DOI:10.1098/rsbl.2012.0517
15. Wold, A., Darnis, G., Soreide, J.E., Leu, E., Philippe, B., Fortier, L., Poulin, M., Kattner, G., Graeve, M., Falk-Petersen, S. 2011. Life strategy and diet of Calanus glacialis during the winter-spring transition in Amundsen Gulf, south-eastern Beaufort Sea. Polar Biology 34(12): 1929–1946. DOI:10.1007/s00300-011-1062-6
16. Rabindranath, A., Daase, M., Falk-Petersen, S., Wold, A., Wallace, M.I., Berge, J., Brierley, A.S. 2011. Seasonal and diel vertical migration of zooplankton in the High Arctic during autumn midnight sun of 2008. Marine Biodiversity 41(3): 365–382. DOI:10.1007/s12526-010-0067-7
17. Wold, A., Jæger, I., Hop, H., Gabrielsen, G.W., Falk-Petersen, S. 2011. Arctic seabird food chains explored by fatty acid composition and stable isotopes in Kongsfjorden, Svalbard. Polar Biology 34(8): 1147–1155.
    DOI:10.1007/s00300-011-0975-4
18. Falk-Petersen, S., Leu, E., Berge, J., Kwasniewski, S., Nygard, H., Rostad, A., Keskinen, E., Thormar, J., Quillfeldt, C.H.v., Wold, A., Gulliksen, B. 2008. Vertical migration in high Arctic waters during autumn 2004. Deep Sea Research Part II: Topical Studies in Oceanography 55(20-21): 2275–2284.
    DOI:10.1016/j.dsr2.2008.05.010
19. Falk-Petersen, S., Haug, T., Hop, H., Nilssen, K.T., Wold, A. 2008. Transfer of lipids from plankton to blubber of harp and hooded seals off East Greenland. Deep Sea Research Part II: Topical Studies in Oceanography 56(21-22): 2080–2086.
    DOI:10.1016/j.dsr2.2008.11.020
20. Wold, A., Leu, E., Walkusz, W., Falk-Petersen, S. 2007. Lipids in copepodite stages of Calanus glacialis. Polar Biology 30(5): 655–658.
    DOI:10.1007/s00300-006-0233-3
21. Cottier, F.R., Tarling, G.A., Wold, A., Falk-Petersen, S. 2006. Unsynchronized and synchronized vertical migration of zooplankton in a high arctic fjord. Limnology and Oceanography 51(6): 2586–2599.
22. Willis, K., Cottier, F., Kwasniewski, S., Wold, A., Falk-Petersen, S. 2006. The influence of advection on zooplankton community composition in an Arctic fjord (Kongsfjorden, Svalbard). Journal of Marine Systems 61(1-2): 39–54.
    DOI:10.1016/j.jmarsys.2005.11.013
23. Falk-Petersen, S., Haug, T., Nilssen, K.T., Wold, A., Dahl, T.M. 2004. Lipids and trophic linkages in harp seal (Phoca groenlandica) from the eastern Barents Sea. Polar Research 23(1): 43–50. DOI:10.1111/j.1751-8369.2004.tb00128.x
24. Wold, A., Norrbin, F. 2004. Vertical migration as a response to UVR stress in Calanus finmarchicus females and nauplii. Polar Research 23(1): 27–34.
    DOI:10.1111/j.1751-8369.2004.tb00126.x