Sigurd Heiberg Espeland

Forsker
Telefon: 41426743
Avdeling: Fiskeridynamikk

Arbeidsområde

  • Aktiv forvaltning av marine verdier – lokalt tilpasset forvaltning.
  • Nasjonalt program for kartlegging av marine naturtyper.
  • Leppefisk Skagerrakkysten

Curriculum Vitae

2010: Philosophiae doctor (PhD), Universitetet i Oslo, Biologisk institutt. Avhandlingens tittel: ”Connectivity mechanisms in a population complex of coastal cod”.

2002: Cand. Scient (tilsvarer Master), Hovedfag Universitetet i Oslo, Biologisk institutt. Oppgave: ”Long term movement patterns and area utilization by coastal cod (Gadus morhua L.).”

2000: Cand. Mag (tilsvarer Bachelor), Universitetet i Oslo. Med kurs i: Biologi, Mattematikk, Statistikk, Kjemi, Astronomi, Psykologi.

Publikasjoner

Vitenskapelige artikler (NVI)

2017

Estimating cod egg developmental stage based on DNA concentration

Sigurd Heiberg Espeland, Hanne Sannæs
ICES Journal of Marine Science
2017

Sex-and size-selective harvesting of corkwing wrasse (Symphodus melops)-a cleaner fish used in salmonid aquaculture

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen, Leif Asbjørn Vøllestad, Anne Berit Skiftesvik, Sigurd Heiberg Espeland, Esben Moland Olsen
ICES Journal of Marine Science 74 p. 660-669
2016

Harvest pressure on coastal atlantic cod (Gadus morhua) from recreational fishing relative to commercial fishing assessed from tag-recovery data

Alf Ring Kleiven, Albert Fernandez Chacon, Jan-Harald Nordahl, Even Moland, Sigurd Heiberg Espeland, Halvor Knutsen, Esben Moland Olsen
PLoS ONE 11
2016

Causes of mortality in depleted populations of Atlantic cod estimated from multi-event modelling of mark-recapture and recovery data

Albert Fernandez Chacon, Even Moland, Sigurd Heiberg Espeland, Alf Ring Kleiven, Esben Moland Olsen
Canadian Journal of Fisheries and Aquatic Sciences 74 p. 116-126
2015

Demographic effects of full vs. partial protection from harvesting: Inference from an empirical before-after control-impact study on Atlantic cod

Albert Fernandez Chacon, Even Moland, Sigurd Heiberg Espeland, Esben Moland Olsen
Journal of Applied Ecology 52 p. 1206-1215
2015

Modelling drift of pelagic offspring: the importance of egg surveys in providing a realistic model initialization

Sigurd Heiberg Espeland, Jon Albretsen, Esben Moland Olsen, Torjan Bodvin
ICES Journal of Marine Science 72 p. 2578-2589
2013

Lobster and cod benefit from small-scale northern marine protected areas: inference from an empirical before - after control-impact study

Even Moland, Esben Moland Olsen, Halvor Knutsen, Pauline Garrigou, Sigurd Heiberg Espeland, Alf Ring Kleiven, Carl Andre, Jan Atle Knutsen
Proceedings of the Royal Society of London. Biological Sciences 280
2011

Life history of fjord cod from the Skagerrak in the mid-2000s compared to 1905

Marthe Bråthen Lund, Esben Moland Olsen, Sigurd Heiberg Espeland, Nils Christian Stenseth
Marine Ecology Progress Series 424 p. 169-174
2011

Are low but statistically significant levels of genetic differentiation in marine fishes 'biologically meaningful'? A case study of coastal Atlantic cod

Halvor Knutsen, Esben Moland Olsen, Per Erik Jorde, Sigurd Heiberg Espeland, C. André, Nils Christian Stenseth
Molecular Ecology 20 p. 768-783
2010

Small-scale genetic structure in a marine population in relation to water circulation and egg characteristics

Lorenzo Ciannelli, Halvor Knutsen, Esben Moland Olsen, Sigurd Heiberg Espeland, Lars Asplin, Anders Jelmert, Jan Atle Knutsen, Nils Christian Stenseth
Ecology 91 p. 2918-2930
2010

Diel vertical migration patterns in juvenile cod from the Skagerrak coast

Sigurd Heiberg Espeland, Adine Guldborg Thoresen, Esben Moland Olsen, Leif Christian Stige, Halvor Knutsen, Jakob Gjøsæter, Nils Christian Stenseth
Marine Ecology Progress Series 405 p. 29-37
2008

New perspectives on fish movement: kernel and GAM smoothers applied to a century of tagging data on coastal Atlantic cod

Sigurd Heiberg Espeland, Espen Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Didrik S. Danielssen, Nils Christian Stenseth
Marine Ecology Progress Series 372 p. 231-241
2007

Egg distribution, bottom topography and small-scale cod population structure in a coastal marine system

Halvor Knutsen, Espen Moland Olsen, Lorenzo Ciannelli, Sigurd Heiberg Espeland, Jan Atle Knutsen, Jan Henrik Simonsen, Stig Skreslet, Nils Christian Stenseth
Marine Ecology Progress Series 333 p. 249-255
2007

Egg distribution, bottom topography and small-scale cod population structure in a coastal marine system

Halvor Knutsen, Esben Moland Olsen, Lorenzo Ciannelli, Sigurd Heiberg Espeland, JA Knutsen, JH Simonsen, Stig Skreslet, Nils Christian Stenseth
Marine Ecology Progress Series 333 p. 249-255
2007

Spatial scale of genetic structuring in coastal cod Gadus morhua and geographic extent of local populations

Per Erik Jorde, Halvor Knutsen, Sigurd Heiberg Espeland, Nils Christian Stenseth
Marine Ecology Progress Series 343 p. 229-237
2007

Home range and elevated egg densities within an inshore spawning ground of coastal cod

Sigurd Heiberg Espeland, Ailin Fernløf Gundersen, Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Nils Christian Stenseth
ICES Journal of Marine Science 64 p. 920-928

Poster

2012

”How important is water temperature for an innovation on the coast of Norway?”

Torjan Bodvin, Jon Albretsen, Frithjof Emil Moy, Stein Mortensen, Ingrid Bysveen, Anders Jelmert, Sigurd Heiberg Espeland

Mediebidrag

2016

Repparfjorden viktig gytefjord for kysttorsk

Kjersti Sandvik, Terje van der Meeren, Sigurd Heiberg Espeland, Jan Helge Fosså, Øystein Rushfeldt

Kapitler og bøker

2013

The Norwegian Programme for mapping of marine habitats – providing knowledge and maps for ICZMP

Trine Bekkby, Frithjof Emil Moy, Olsen Heidi, Eli Rinde, Torjan Bodvin, Reidulv Bøe, Henning Steen, Ellen Sofie Grefsrud, Sigurd Heiberg Espeland, Are Pedersen, Nina M. Jørgensen
p. 21-30

Populærvitenskapelige artikler

2015

Marine protected areas increase survival of Atlantic cod

Even Moland, Albert Fernandez Chacon, Esben Moland Olsen, Sigurd Heiberg Espeland
Science for Environment Policy

Faglige foredrag

2015

Growth, reproduction and recruitment of the pacific oysters (Crassostrea gigas) in an invasion front.

Torjan Bodvin, Stein Mortensen, Anders Jelmert, Jon Albretsen, Sigurd Heiberg Espeland, Åsa Strand, Per Dolmer
2012

Spawning areas of coastal cod along the Norwegian coast - Mapping of marine habitats

Jon Albretsen, Sigurd Heiberg Espeland
2011

Fangsting og bruk av villfanget leppefisk – innenfor bærekraftige rammer?

Stein Mortensen, Egil Karlsbakk, Lisbeth S Harkestad, Halvor Knutsen, Sigurd Heiberg Espeland
2007

Following the movement of cod (Gadus morhua): a hundred years perspective on the Norwegian Skagerrak coast

Sigurd Heiberg Espeland, Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Didrik S. Danielssen, Nils Christian Stenseth
2007

Analyzing a century of tagging data: New perspectives on the movement of Norwegian Skagerrak cod

Sigurd Heiberg Espeland, Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Didrik S. Danielssen, Nils Christian Stenseth

Annet tidsskriftbidrag

2006

Egg retention promotes population structure in Atlantic cod

Sigurd Heiberg Espeland, Halvor Knutsen, Esben Moland Olsen, Nils Christian Stenseth
Journal of Fish Biology 69 p. 229-229

Rapporter og avhandlinger

2017

Evaluering av effekten av forvaltningstiltak på hummer og forslag til tiltak

Alf Ring Kleiven, Even Moland, Tonje Knutsen Sørdalen, Sigurd Heiberg Espeland, Gro Ingleid van der Meeren
2016

Oppdatert kunnskapsstatus om kystnær torsk i Sør Norge

Asgeir Aglen, Kjell Harald Nedreaas, Even Moland, Halvor Knutsen, Alf Ring Kleiven, Tore Johannessen, Henning Wehde, Terje Jørgensen, Sigurd Heiberg Espeland, Esben Moland Olsen, Jan Atle Knutsen
2013

Kartlegging av gytefelt Gytefelt for kysttorsk

Sigurd Heiberg Espeland, Jon Albretsen, Kjell Harald Nedreaas, Hanne Sannæs, Torjan Bodvin, Frithjof Emil Moy
2012

Nasjonal kartlegging av biologisk mangfold - kyst. Diskusjon og forslag til revidering av kriterier for verdisetting av marine naturtyper og nøkkeolområder

Trine Bekkby, Frithjof Emil Moy, Heidi Olsen, Torjan Bodvin, Ellen Sofie Grefsrud, Sigurd Heiberg Espeland, Bøe Reidulv, Eli Rinde
2010

Kunnskapsstatus leppefisk Utfordringer i et økende fiskeri

Sigurd Heiberg Espeland, Kjell Harald Nedreaas, Stein Mortensen, Anne Berit Skiftesvik, Ann-Lisbeth Agnalt, Caroline Durif, Lisbeth S Harkestad, Egil Karlsbakk, Halvor Knutsen, Trond Thangstad, Knut Jørstad, Åsmund Bjordal, Jakob Gjøsæter
2009

Naturtypekartlegging i kystsone

Torjan Bodvin, Henning Steen, Sigurd Heiberg Espeland
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