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Eva Leu

Researcher Akvaplan-nivaArctic R&D
Work address Akvaplan-niva AS CIENS Gaustadalleen 21 Olso 0349 Work Phone: +47 948 49312
Photo of Eva Leu

Biography

Research interests:

  • Climate impact on Arctic marine ecosystem productivity and structure
  • Ecophysiology and biochemistry of phytoplankton and ice algae
  • Food quality effects and trophic transfer of fatty acids
  • Light and UV radiation and primary producers.

Running national and international projects:

  • FAABulous: Future Arctic Algae Blooms (2015-2019)
  • Marine Night (2013-2016)
  • Arctic ABC (2015-2019)
  • PEACE: Pollution and ecosystem adaptation to changes in the environment (2015-2019)

Completed national and international projects:

  • CLEOPATRA II
  • CLEOPATRA: Climate effects on planktonic food quality and trophic transfer in Arctic marginal ice zones (2007-2009)
  • MERCLIM: Marine Ecosystems Response to a changing Climate

Curriculum Vitae: PDF

Relevant publications:

  1. Leu, E., Mundy, C.J., Campbell, K., Gabrielsen, T., Gosselin, M., Juul-Pedersen, T., Gradinger, R. (in press) Arctic spring awakening – steering principles behind the winter-spring transition in marine ecosystems. Prog Oceanogr
  2. Berge, J., Cottier, F. Darnis, G., Falk-Petersen, S., Gabrielsen, T., Johnsen, G., Last, K. ,Leu, E., Lønne, O.J., Moline, M., Nahrgang, J., Renaud, P.E., Seuthe, L., Søreide, J., Varpe, Ø., Weslawski, J.M. (in press) In the dark: paradigms of Arctic ecosystems during Polar night challenged by new understanding. Prog Oceanogr
  3. Cohen JH, Berge J, Moline MA, Sørensen AJ, Last K, Falk-Petersen S, Renaud, P.E., Leu, E. et al. (2015) Is ambient light during the high Arctic polar night sufficient to act as a visual cue for zooplankton? PLoS ONE 10 (6): e0126247. doi:10.1371/journal.pone.0126247
  4. Huntington, H.P., Carmack, E., Wassmann, P., Wiese, F., Leu, E., Gradinger, R. (2015) A new perspective on changing Arctic marine ecosystems: Panarchy adaptive cycles in pan-Arctic spatial and temporal scales, in: Sustainable Oceans in the Twenty-First Century, Arico, S. (ed.), UNU-UNESCO.
  5. Daase, M., Falk-Petersen, S., Varpe, Ø., Darnis, G., Søreide, J.E., Wold, A., Leu, E., Berge, J., Philippe, B., Fortier, L. (2013) Plasticity in timing of reproductive events in Calanus glacialis: a Pan-Arctic perspective. Can J Fish Aquat Sci 70(6): 871-884.
  6. Weydmann, A., Søreide, J.E., Kwasniewski, S., Leu, E., Falk-Petersen, S., Berge, J. (2013) Ice-related seasonality in zooplankton community composition in a high arctic fjord. J Plankt Res 35(4): 831-842
  7. Leu, E., Daase, M., Schulz, K.G., Stuhr, A., Riebesell, U. (2013) Effect of ocean acidification on the fatty acid composition of a natural plankton community. Biogeosciences 10: 1143-1153.
  8. Kwasniewski, S., Walkusz, W., Cottier, F., Leu, E. (2013) Mesozooplankton dynamics in relation to food availability during spring and early summer in a high latitude glaciated fjord (Kongsfjorden), with focus on Calanus. J Mar Sys 111-112: 83-96.
  9. Hessen, D.O., Frigstad, H., Færøvig, P.J., Wojewodzic, M.W., Leu, E. (2012) UV radiation and its effect on P-uptake in Arctic diatoms. J Exp Mar Biol Ecol 411:45-51.
  10. Wold, A., Darnis, G., Søreide, 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, southeastern Beaufort Sea. Polar Biol 34 (12): 1929-1946.
  11. Leu, E., Søreide, J.E., Hessen, D.O., Falk-Petersen, S., Berge, J. (2011) Consequences of changing sea ice cover for primary and secondary producers in European Arctic shelf seas: timing, quantity and quality. Prog Oceanogr 90: 18-32.
  12. Søreide, J.E, Leu, E., Berge, J., Graeve M., Falk-Petersen, S. (2010) Timing of blooms, algal food quality and Calanus glacialis reproduction and growth in a changing Arctic. Global Change Biol 16(11): 3154-3163.
  13. Leu, E., Wiktor, J., Søreide, J.E., Berge, J., Falk-Petersen, S. (2010) Increased irradiance reduces food quality of sea ice algae. Mar Ecol Prog Ser 411: 49-60
  14. Berge, J., Cottier, F., Last, K., Varpe, Ø., Leu, E., Søreide, J., Eiane, K. Falk-Petersen, S., Willis, K., Nygård, H., Vogedes, D., Griffiths, C., Johnsen, G., Lorentzen, D., Brierley, A. (2009) Diel vertical migration of Arctic zooplankton during the polar night. Biology Letters 5(1): 69-72.
  15. Hessen, D.O., Leu, E., Færøvig, P., Falk-Petersen, S. (2008) Light and spectral properties as determinants of C:N:P ratios in phytoplankton Deep Sea Res II 55: 2169-2175.
  16. Falk-Petersen, S., Leu, E., Berge, J., Kwasniewski, S., Nygård, H., Røstad, A., Keskinen, E., Thormar, J., von Quillfeldt, C., Wold, A., Gulliksen, B. (2008) Vertical migration in high Arctic waters during autumn 2004 Deep Sea Res II 55: 2275-2284.
  17. Leu, E., Falk-Petersen S., Hessen, D.O. (2007) Ultraviolet radiation negatively affects growth but not food quality of Arctic diatoms. Limnol Oceanogr 52(2): 787-797.
  18. Wold, A., Leu, E., Walkusz, W., Falk-Petersen, S. (2007) Lipids in copepodite stages of Calanus glacialis. Polar Biol 30: 655-658.
  19. Leu, E., Wängberg, S.Å., Wulff, A., Ørbæk, J.B., Falk-Petersen, S., Hessen, D.O. (2006) Effects of changes in ambient PAR and UV radiation on the nutritional quality of an Arctic diatom (Thalassiosira antarctica var. borealis). J Exp Mar Biol Ecol 337: 65-81.
  20. Leu, E., Falk-Petersen S., Kwasniewski S., Wulff A., Edvardsen K., Hessen D.O. (2006) Fatty acid dynamics during the spring bloom in a high Arctic fjord: importance of abiotic factors vs. community changes. Can J Fish Aquat Sci. 63: 2660-2779.
  21. Leu, E., Færøvig, P., Hessen, D.O. (2006) UV effects on the nutritional quality of Selenastrum capricornutum and their consequences for Daphnia magna. Freshw Biol 51: 2296-2308.
  22. Hessen, D.O., Leu, E. (2006) Trophic transfer and trophic modification of fatty acids in arctic lakes. Freshw Biol. 51: 1987-1998.
  23. Leu, E., Krieger-Liszkay, A., Goussias, C. & Gross, E. (2002) Polyphenolic allelochemicals from the aquatic angiosperm Myriophyllum spicatum L. inhibit photosystem II. Plant Physiol 130(4): 2011-2018.