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Ellen Sofie Grefsrud

Phone: 55 23 84 37
Visiting address: Nordnesgaten 50, 5817 Bergen

Works with

• Habitat mapping
     Mapping preferred habitats of the great scallop and the Iceland scallop

• Shellfish sea ranching
     Predator-prey interactions
     Shell characteristics in cultured and wild scallops
     Behaviuor in hatchery reared juvenile lobster
 

Curriculum Vitae

EDUCATION AND WORK EXPERIENCE

2008- Current – Scientist at the Institute of Marine Research, Bergen, Norway.
• National program of mapping the marine biological diversity
o Mapping the national scallop and oyster resources
o Marine habitat mapping Hordaland County (project leader)
• Strategic Institute Program on carrying capacity in aquaculture
o Behavior of hatchery reared European lobster

2007-2008 - Post doc fellowship at Harbor Branch Oceanographic Institution at Florida Atlantic University, Florida, USA (January 2007-July 2008). RCN project no 176781.

Conch sea ranching and stock enhancement (leading three sub projects: “Queen conch breeding techniques”, “Shell microstructure in cultured and wild queen conch shells”, “The relationship between parent and offspring in queen conch”).

2006 - August 15 - December 31, Scientist at the Institute of Marine Research, Bergen Norway
• Summary of cockle biology, fisheries and management in Norway (see Reports below).
• “Ecological effects of releasing hatchery-reared lobster”

2006 - Doctor scientiarum: “Predation on cultured and wild scallops Pecten maximus L. by the crab Cancer pagurus L”.
University of Bergen/Institute of Marine Research, Bergen Norway

2000-2004 - Doctorial fellowship as a part of the strategic research on sea ranching at the Institute of Marine Research, Bergen, Norway. RCN project no 137326.

1996-1999 - Cand. scient, Marine Biology: “Crab (Cancer pagurus) predation on scallop (Pecten maximus) – handling time and predation behaviour related to scallop size”.
University of Bergen/Institute of Marine Research, Bergen Norway

1993-1996 –Sogn og Fjordane University College, Sogndal, Norway.
Cand mag. Aquaculture

 

INTERNATIONAL PUBLICATIONS

Grefsrud, E.S., Dauphin, Y., Cuif, J-P., Denis, A. & Strand Ø. 2008. Modifications in foliated microstructure of cultured and wild scallop shells (Pecten maximus). Journal of Shellfish Research. 27, 633-642.

Grefsrud, E.S. & Strand, Ø. 2006. Comparison of shell strength in cultured and wild scallops (Pecten maximus). Aquaculture. 251, 306-313.

Strand, Ø., Grefsrud, E.S., Haugum, G.A., Bakke, G., Helland, E. & Helland T. 2004. Release strategies in scallop (Pecten maximus) sea ranching vulnerable to crab predation. In: Stock enhancement and Sea Ranching (eds K. Leber, S. Kitada, H.L. Blankenship & T. Svåsand) Blackwell Science Ltd, Oxford, pp 544-555.

Grefsrud, E.S., Strand, Ø. & Haugum, G.A. 2003. Handling time and predation behaviour by the crab, Cancer pagurus, preying on cultured scallops, Pecten maximus. Aquaculture Research. 34, 1191-1200. 

OTHER PUBLICATIONS

Strand Ø., Strohmeier T. & Grefsrud E.S. 2010. Stort kamskjell. Årsrapport, Havforskningsinstituttet.

Grefsrud E.S. 2004. Skallets styrkeegenskaper – viktig i skjelldyrking? Havbruksrapporten, Havforskningsinstituttet i Bergen, Fisken og havet, særnummer 3, side 99-101.

Grefsrud E.S. 2004. Taskekrabbens preferanser for dyrkede kamskjell. Norsk Fiskeoppdrett, nummer 2.

REPORTS

Olsen H.A., Bøe R., Totland O. & Grefsrud E.S. 2009. Bunnforhold og kamskjellforekomster – kartlegging av to områder i Froan. Norges geologiske undersøkelser, rapport nr 2009.044. pp 43.

Grefsrud E.S. & Strand Ø. 2007. Hjerteskjell (Cerastoderma edule) – kunnskapsstatus for ressursbiologi, miljøeffekter av fiske og forvaltningsstrategier. Havforskningsinstituttet, pp 20.