Yngvar Olsen
Trondhjem Biological Station
Norwegian University of Science and Technology (NTNU)
N-7491 Trondheim,
Norway
Phone: +(47) 7359 1592
Fax: +(47) 7359 1597
E-mail:yngvar.olsen@vm.ntnu.no

Positions held
Professor (Ph.D. 1989)
Institute of Natural History (NTNU)
Scientific adviser at SINTEF Fisheries and Aquaculture (from 1995)
President of Norwegian Board for Cooperation in Marine Sciences (from 2001), Vice president of WAS (from April 2002), Editorial board, Intern. Rev. Hydrobiol; Convenor and co-convenor of 2 international conferences; session coordinator of WAS conference, session chair of EAS-conference; member of ELOISE Steering Committee; border member of 2 committees under Research Council; ASLO, ESLO, WA, EAS member; ICES Working groups.

Specialities: Live feed technology for marine fish larvae, nutrition and first feeding of marine larvae, marine plankton, food web dynamics, trophic cascades and food web interactions, biochemical composition, coastal eutrophication.
DKNVS; Academy award for contributions to aquatic science.

Research leadership: Programme on inland eutrophication; Secretary of the Steering Committee (1986-89), Norwegian Research Programme for Marine Pollution: Member of executive committee; Industry/Research Council: Halibut juvenile production, international coordinator (1988-93); MARICULT Research Programme, Program manager (1996-2000); NTNU Focus Area: Marine science and technology, Scientific Coordinator (from 2000); Strategic University Programme "Calanus", project responsible (2001-2005).
Student supervision: 19 Master (15 graduated), 8 Civil engineers, 4 Ph.D (3 graduated), 1 foreign student.
Grants: Norwegian Research Council and industry, since 1986, >20 projects. EC/MAST COMWEB (1996-99, Coordinator), 7 partners; EC/FAIR (3 projects), Strategic University Programme "Calanus"

Publications: Refereed: 83; Popular: 16; Books, reports: 48.
Selected publications
Olsen, Y. and K. Ostgaard. 1985. Estimating release rates of phosphorus from zooplankton; model and experimental verification. Limnol. Oceanogr. 30: 844?852.
Olsen, Y., A. Jensen, H. Reinertsen, K.Y. Borsheim, M. Heldal and A. Langeland. 1986. Dependence of the rate of release of phosphorus by zooplankton upon the P:C ratio in the food supply, as calculated by the recycling?model. Limnol. Oceanogr. 31(1): 34?44.
Olsen, Y. 1989. Evaluation of competitive ability of Staurastrum luetkemuellerii (Chlorophyceae) and Microcystis aeruginosa (Cyanophyceae) under P limitation. J. Phycol. 25: 486-499.
Olsen, Y., O. Vadstein, T. Andersen, and A. Jensen. 1989. Competition between Staurastrum luetkemuellerii (Chlorophyceae) and Microcystis aeruginosa (Cyanophyceae) under varying modes of phosphate supply. J. Phycol. 25: 499-508.
Vadstein, O., O. Brekke, T. Andersen and Y. Olsen. 1995. Release rates of phosphorus by a herbivorous zooplankton community grazing on phytoplankton and bacteria. Limnol. Oceanog. 39:
Oie, G, P. Makridis, K.I. Reitan & Y. Olsen. 1997. Protein and carbon utilization of rotifers (Brachionus plicatilis) in first feeding of turbot larvae (Scophthalmus maximus L.). Aquaculture, 153: 103-122.
Olsen, Y. 1999. Lipids and essential fatty acids in aquatic food webs: What can freshwater ecologists learn from mariculture? In M. T. Arts and B. C. Wainman (eds.): Lipids in Freshwater Ecosystems. Springer, New York. p. 161-202. ISBN 0-387-98505-0.
Evjemo, J. O., and Y. Olsen. 1999. Effect of food concentration on the growth and production rate of Artemia franciscana feeding on algae (T. iso). Journal of Experimental Marine Biology and Ecology, 242: 273-296.
Olsen, A. I., Y. Attramadal, K. I. Reitan, and Y. Olsen. 2000. Food selection and digestion characteristics of Atlantic halibut (Hippoglossus hippoglossus) larvae fed cultivated prey organisms. Aquaculture, 181: 293-310.