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Espen Johnsen

Telefon: 906 06 394

Arbeider med

Surveyutvikling, bestandsrådgiving, fiskeribistand

- Overvåkningsmetodikk av tobis i Nordsjøen.

- Bistandsprosjekt i Pakistan.

- Bunnfisk i Nordsjøen.
 

Curriculum Vitae

Utdannelse

2007. Universitetet i Bergen, Biologisk Institutt
Doktorgrad

1998. Universitetet i Bergen, Institutt for fiskeri og marinbiologi
Hovedfag

Arbeidserfaring 

Havforskningsinstituttet i Bergen

2008-. Faggruppe Bunnfisk

2003-2007. Faggruppe Observasjonsmetodikk, PhD - study

2003. Fiskerifaglig senter for utviklingsarbeid


National Marine Information and Research Centre, Namibia

2000–2002. Forskningsprogrammene for orange rough og lysing (hake) 
 

Verv og internasjonale arbeidsoppgaver

2007-. Leder for samarbeidetsprosjektene mellom Marine Fisheries Department, Karachi and Havforskningsinstituttet “Assistance in planning and implementing a marine fisheries resources survey” and “Competence strengthening in fishery institutions in Pakistan” 

Norsk representant i “Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak” (2004, 2006-2008), “South East Atlantic Fisheries Organization” (2006 and 2007),

Toktleder i Namibia (2003), Angola (2003-2007) and Mozambique (2007).


Publikasjoner

Johnsen, E., Pedersen, and Ona, E. 2009. Size-dependent frequency response of sandeel schools. ICES Journal of Marine Science, 66: 1100-1105.

Johnsen, E. and Skaret, G. 2008 Adaptive mass formations in fish shoals founded in conflicting motivation. Marine Ecology Progress Series 358:295–300

Jørgensen, T., Engås, A., Johnsen, E., Iilende, T., Kainge, P. and Schneider, P. 2007. Escapement of Cape hakes under the fishing line of the Namibian demersal sampling trawl. S. Afr. J. of Fish Res. Vol 29 (2): 209-221.

Johnsen, E., and Iilende, T. 2007. Diel variation in commercial CPUE and survey catch rates. Can fishery data improve Namibian hake survey estimates? Fisheries research 88:70-79.

Johnsen, E., and Godø, O.R. 2007. Diel variations in acoustic recordings of blue whiting (Micromesistius poutassou). ICES Journal of Marine Science 64: 1202–1209.

Johnsen, E. 2004. A visualization of the spatial and temporal dynamics in the Namibian hake trawl fishery – a tool to understand the complexity of a fishery. In: Nishida, T., Kailola, P.J., and Hollingworth, C.E. (Eds.). GIS/Spatial Analyses in Fishery and Aquatic Sciences (Vol. 2). Fishery-Aquatic GIS Research Group, Saitama, Japan. 735pp.

Johnsen, E. 2003. Improving the precision of length frequency distribution estimates from trawl surveys by including spatial covariance –using Namibian Merluccius capensis as an example. Fisheries Research 62: 7-20.

Iilende, T., Strømme, T. and Johnsen, E. 2001. Dynamics of the pelagic component of Namibian hake stocks. In: Payne, S. Pillar, S.C., Crawford R.J.M (Eds.), A Decade of Namibian Fisheries Science. 23: 337 – 346.

Thesis
Johnsen, E. 2007. The effect of fish behaviour and spatial structures on acoustic and trawl surveys. PhD-thesis, Department of Biology, University of Bergen.

Johnsen, E. 1998. Analyser av fangst og -innsatsdata fra den norske trålerflåten med vekt på sesongvariasjon og utbredelse til fisket etter norsk-arktisk torsk (Gadus morhua). Hovedfagsoppgave, Universitetet i Bergen, 54 p.