Kjell Tormod Nilssen

No image
Forsker
Telefon: 90092829
Avdeling: Sjøpattedyr

Publikasjoner

Vitenskapelige artikler (NVI)

2017

Trophic level and fatty acids in harp seals compared with common minke whales in the Barents Sea

Tore Haug, Stig Falk-Petersen, Michael Greenacre, Haakon Hop, Ulf Lindstrøm, Sonnich Meier, Kjell Tormod Nilssen, Anette Wold
Marine Biology Research 13 p. 919-932
2017

Selection and foraging response of harbour seals in an area of changing prey resources

Virginie Ramasco, Ulf Lindstrøm, Kjell Tormod Nilssen
Marine Ecology Progress Series 581 p. 199-214
2017

Recent summer diet of hooded Cystophora cristata and harp Pagophilus groenlandicus seals in the drift ice of the Greenland Sea.

Solveig Enoksen, Tore Haug, Ulf Lindstrøm, Kjell Tormod Nilssen
Polar Biology 40 p. 931-937
2017

Recent summer diet of hooded Cystophora cristata and harp Pagophilus groenlandicus seals in the drift ice of the Greenland Sea

& U. Lindstrøm T. Haug S. Enoksen, K.T. Nilssen
Pol. Biol. 2017, 40:931-937 40 (Ja) p. 931-937
2015

The intensity of horizontal and vertical search in a diving forager: the harbour seal

Virginie Ramasco, Frédéric Barraquand, Martin Biuw, Bernie J. McConnell, Kjell Tormod Nilssen
Movement Ecology 3 (Ja) p. 1-16
2014

Improving time budget estimates through the behavioural interpretation of dive bouts in harbour seals

Virginie Ramasco, Erik Martin Biuw, Kjell Tormod Nilssen
Animal Behaviour 94 (Ja) p. 117-134
2014

Current status of hooded seals in the Greenland Sea. Victims of climate change and predation?

Tor Arne ØigÅrd, Tore Haug, Kjell Tormod Nilssen
Biological Conservation 172 (Ja) p. 29-36
2014

From pup production to quotas: Current status of harp seals in the Greenland Sea

Tor Arne Øigård, Tore Haug, Kjell Tormod Nilssen
ICES Journal of Marine Science 71 (Ja) p. 537-545
2013

Functional relationship between harp seal body condition and available prey in the Barents Sea

Tor Arne ØigÅrd, Ulf Lindstrøm, tore Haug, Kjell Tormod Nilssen, Sophie Smout
Marine Ecology Progress Series 484 (Ja) p. 287-+
2013

Harp seal foraging behaviour during summer around Svalbard in the northern Barents Sea: diet composition and the selection of prey

Ulf Lindstrøm, Kjell Tormod Nilssen, Line Marie Skov Pettersen, tore Haug
Polar Biology 36 (Ja) p. 305-320
2012

Modelling the abundance of grey seals (Halichoerus grypus) along the Norwegian coast

Tor Arne ØigÅrd, Anne Kirstine Højholt Frie, Kjell Tormod Nilssen, Mike Osborne Hammil
ICES Journal of Marine Science 69 (Ja) p. 1436-1447
2011

Fatty acids in harp seal blubber do not necessarily reflect their diet

Otto Grahl-Nielsen, Tore Haug, Ulf Lindstrøm, Kjell Tormod Nilssen
Marine Ecology Progress Series 426 (Ja) p. 263-276
2010

Estimation of Pup Production of Hooded and Harp Seals in the Greenland Sea in 2007: Reducing Uncertainty Using Generalized Additive Models

Tor Arne Øigård, Tore Haug, Kjell Tormod Nilssen, Arnt Børre Salberg
Journal of Northwest Atlantic Fishery Science 42 (Ja) p. 103-123
2010

Haulout behaviour of harbour seals (Phoca vitulina) during breeding and moult in vesterålen, Norway

Hanne-Grethe Mogren, Ulf Lindstrøm, Kjell Tormod Nilssen, tore Haug
NAMMCO scientific publications 8 (Ja) p. 302-312
2010

Status of harbour seals (Phoca vitulina) in mainland Norway

Kjell Tormod Nilssen, Nils-Erik Skavberg, Michael Tino Poltermann, tore Haug, Tero Härkönen, Gunnar Henriksen
NAMMCO scientific publications 8 (Ja) p. 61-70
2009

Estimation of seal pup production from aerial surveys using generalized additive models.

& T. Haug G.B. Stenson T.A. Øigård A.-B. Salberg, K.T. Nilssen
Can. J. of Fish. Aquat. Sci. 66 (Ja) p. 847-858
2009

Transfer of lipids from plankton to blubber of harp and hooded seals off East Greenland

Stig Falk-Petersen, Tore Haug, Haakon Hop, Kjell T. Nilssen, Anette Wold
Deep-sea research. Part II, Topical studies in oceanography 56 (Ja) p. 2080-2086
2008

Estimation of hooded seal (Cystophora cristata) pup production in the Greenland Sea pack ice during the 2005 whelping season

Arnt Børre Salberg, Tore Haug, Kjell Tormod Nilssen
Polar Biology 31 (Ja) p. 867-878
2007

Diets of hooded seals (Cystophora cristata) in coastal waters and drift ice waters along the east coast of Greenland

tore Haug, Kjell Tormod Nilssen, Monika Charlotta Lindblom, Ulf Lindstrøm
Marine Biology Research 3 (Ja) p. 123-133
2007

Relative abundance and size composition of prey in the common minke whale diet in selected areas of the northeast Atlantic during 2000-04

Kristin Windsland, Ulf Lindstrøm, Kjell Tormod Nilssen, tore Haug
Journal of Cetacean Research and Management 9 (Ja) p. 167-178
2007

Status of grey seals (Halichoerus grypus) in Norwegian waters

Kjell Tormod Nilssen, tore Haug
NAMMCO scientific publications 6 (Ja) p. 23-31
2007

Recoveries of grey seals (Halichoerus grypus) tagged on the Murman coast in Russia

Gunnar Henriksen, tore Haug, Andrej Kondakov, Kjell Tormod Nilssen, Torger Øritsland
NAMMCO scientific publications 6 (Ja) p. 197-201
2006

Estimation of harp seal (pagophilus groenlandicus) pup production in the North Atlantic completed: Results from surveys in the Greenland Sea in 2002

tore Haug, Garry B. Stenson, Peter J. Corkeron, Kjell Tormod Nilssen
ICES Journal of Marine Science 63 (Ja) p. 95-104
2005

Digestion of capelin, Mallotus villosus (Muller), herring, Clupea harengus L., and polar cod, Boreogadus saida (Lepechin), otoliths in a simulated seal stomach

Jørgen Schou Christiansen, AGG Moen, TH Hansen, KT Nilssen
ICES Journal of Marine Science 62
2005

Digestion of capelin, Mallotus villosus (Müller), herring, Clupea harengus L., and polar cod, Boreogadus saida (Lepechin) otoliths in a simulated seal stomach

Jørgen Schou Christiansen, A-G Gamst Moen, TH Hansen, KT Nilssen
ICES Journal of Marine Science 62 (Ja) p. 86-92
2004

Lipids and trophic linkages in harp seal (Phoca groenlandica) from the eastern Barents Sea

Stig Falk-Petersen, tore Haug, Kjell Tormod Nilssen, Anette Wold, Trine M. Dahl
Polar Research 23 (Ja) p. 43-50
2004

Feeding habits of harp and hooded seals in drift ice waters along the east coast of Greenland in summer and winter

tore Haug, Kjell Tormod Nilssen, Monika Charlotta Lindblom
Polar Research 23 (Ja) p. 35-42
2004

The gastric properties of free-ranging harp (Pagophilus groenlandicus (Erxleben, 1777)) and hooded (Cystophora cristata (Erxleben, 1777)) seals

Jørgen Schou Christiansen, Asbjørn Gildberg, Kjell Tormod Nilssen, C Lindblom, Tore Haug
ICES Journal of Marine Science 61 (Ja) p. 287-292
2002

Summer diet of grey seals (Halichoerus grypus) in Faroese waters

Bjarni Mikkelsen, Tore Haug, Kjell Tormod Nilssen
Sarsia 87 (Ja) p. 462-471
2002

Harbour seal (Phoca vitulina) diet in Vesterålen, North Norway

Inge Berg, Tore Haug, Kjell Tormod Nilssen
Sarsia 87 (Ja) p. 451-461
2002

Variations in minke whale Balaenoptera acutorostrata diets in response to environmental changes in the Barents Sea

Tore Haug, Ulf Lindstrøm, Kjell Tormod Nilssen
Sarsia 87 (Ja) p. 409-422
2001

Diet of weaned pups and seasonal variation in body condition of juvenile Barents Sea harp seals Phoca groenlandica

Kjell Tormod Nilssen, Tore Haug, Charlotta Lindblom
Marine mammal science 17 (Ja) p. 926-936
2000

Food consumption estimates of Barents Sea harp seals

Kjell Tormod Nilssen, Ole Petter Pedersen, Lars Folkow, Tore Haug
NAMMCO scientific publications 2 (Ja) p. 9-27
2000

Estimated food consumption of minke whales Balaenoptera acutorostrata in northeast Atlantic waters in 1992-1995

Lars Folkow, Tore Haug, Kjell Tormod Nilssen, Erling Sverre Nordøy
NAMMCO scientific publications 2 (Ja) p. 65-80
2000

First independent feeding of harp seal (Phoca groenlandica) and hooded seal (Cystophora cristata) pups in the Greenland Sea

Tore Haug, Kjell Tormod Nilssen, Monika Charlotta Lindblom
NAMMCO scientific publications 2 (Ja) p. 29-39
2000

Feeding habits of harp Phoca groenlandica and hooded seals Cystophora cristata during late winter, spring and early summer in the Greenland Sea

Vladimir A. Potelov, Kjell Tormod Nilssen, Vladislav Svetochev, Tore Haug
NAMMCO scientific publications 2 (Ja) p. 40-49
1998

Invasions of harp seals Phoca groenlandica Erxleben to coastal waters of Norway in 1995: ecological and demographic implications

Kjell Tormod Nilssen, Tore Haug, Torger Øritsland, Monika Charlotta Lindblom, Sten A. Kjellqwist
Sarsia 83 (Ja) p. 337-345
1998

Do harp seals Phoca groenlandica exhibit particular prey preferences?

Ulf Lindstrøm, Alf Harbitz, Tore Haug, Kjell Tormod Nilssen
ICES Journal of Marine Science 55 (Ja) p. 941-953
1997

Diet studies based on contents from two separate stomach compartments of northeast Atlantic minke whales Balaenoptera acutorostrata

Ulf Lindstrøm, Tore Haug, Kjell Tormod Nilssen
Sarsia 82 (Ja) p. 63-68
1997

Seasonal variation in body condition of adult Barents Sea harp seals (Phoca groenlandica)

Kjell Tormod Nilssen, Tore Haug, Per E. Grotnes, Vladimir A. Potelov
Journal of Northwest Atlantic Fishery Science 22 (Ja) p. 17-25
1997

On the variation in size and composition of minke whale Balaenoptera acutorostrata forestomach contents

Tore Haug, Kjell Tormod Nilssen, Ulf Lindstrøm, Hans Julius Skaug
Journal of Northwest Atlantic Fishery Science 22 (Ja) p. 105-114
1997

Do Minke Whales (Balaenoptera acutorostrara) Exhibit Particular Prey Preferences?

Hans J. Skaug, Harald Gjøsæter, tore Haug, Kjell Tormod Nilssen, Ulf Lindstrøm
Journal of Northwest Atlantic Fishery Science 22 (Ja) p. 91-104
1996

Diet and food availability for northeast Atlantic minke whales Balaenoptera acutorostrata

I. & Røttingen K.T. Nilssen U. Lindstrøm T. Haug, H.J. Skaug
Rep. int. Whal. Commn. 46 (Ja) p. 371-382
1996

Gross anatomy of the gastrointestinal system of harp seals (Phoca groenlandica)

K.T. & Nilssen M.A. Olsen, S.D. Mathisen
J. Zool., Lond. 238 (Ja) p. 581-589
1995

Diets and food availability for northeast Atlantic minke whales Balaenoptera acutorostrata during summer in 1992.

Tore Haug, Harald Gjøsæter, Ulf Lindstrøm, Kjell Tormod Nilssen
ICES Journal of Marine Science 52 p. 77-86
1995

Food habits of harp seals Phoca groenlandica during lactation and moult in March-May in the Southern Barents Sea and White Sea.

Kjell Tormod Nilssen, Tore Haug, Vladimir Potelov, Vladimir Stasenkov, Yuri Timoshenko
ICES Journal of Marine Science 52 p. 33-41
1995

Food habits of harp seals (Phoca groenlandica) during early summer and autumn in the northern Barents Sea.

Kjell Tormod Nilssen, Tore Haug, Vladimir Potelov, Yuri Timoshenko
Polar Biology 15 p. 485-493
1995

Observations of walrus (Odobenus rosmarus rosmarus) in the southeastern Barents and Pechora Seas in February 1993.

Tore Haug, Kjell Tormod Nilssen
Polar Research 14 p. 83-86
1995

Food habits of harp seals (Phoca groenlandica) during early summer and autumn in the northern Barents Sea

V. & Potelov T. Haug K.T. Nilssen, Y. Timoshenko
Polar Biol. 15 (Ja) p. 485-493
1995

Ecological implications of harp seal Phoca groenlandica invasions in Northern Norway

T. & Haug, K.T. Nilssen
in: Blix, A.S., Walløe, L. & Ulltang, Ø. (eds). Whales, seals, fish and man. Elsevier Science B.V. (Ja) p. 545-556
1995

Food habits of harp seals Phoca groenlandica during lactation and moult in March-May in the Southern Barents Sea and White Sea

V. & Stasenkov V. Potelov T. Haug K.T. Nilssen, Y.K. Timoshenko
ICES J. mar. Sci. 52 (Ja) p. 33-41
1995

Seasonal distribution, condition and feeding habits of Barents Sea harp seals

Nilssen, K.T.
in Blix, A.S., Walløe, L. & Ulltang, Ø. (eds) Whales, seals, fish and man. Elsevier Science B.V. (Ja) p. 241-254
1995

Observations of walrus (Odobenus rosmarus rosmarus) in the southeastern Barents and Pechora Seas in February 1993. Polar Res.

T. & Haug, K.T. Nilssen
Polar Res. 14 (Ja) p. 83-86
1995

Diets and food availability for northeast Atlantic minke whales Balaenoptera acutorostrata during summer in 1992.

U. & Lindstrøm H. Gjøsæter T. Haug, K.T. Nilssen
ICES J. mar. Sci. 52 (Ja) p. 77-86
1994

The status of grey seals Halichoerus grypus in north Norway and on the Murman coast, Russia.

Tore Haug, Gunnar Henriksen, Andrey Kondakov, Vasily Mishin, Kjell Tormod Nilssen, Nils Røv
Biological Conservation 70 p. 59-67
1994

Seasonal distribution of harp seals Phoca groenlandica in the Barents Sea.

Tore Haug, Kjell Tormod Nilssen, Nils Inge Øien, Vladimir Potelov
Polar Research 13 p. 163-172
1994

Seasonal distribution of Barents Sea harp seals (Phoca groenlandica).

Haug, T., Nilssen, K.T., Øien, N., and Potelov, V.
Polar Research 13 (Ja) p. 163-172
1994

The status of grey seals Halichoerus grypus in North Norway and on the Murman coast, Russia.

K.T. & Nilssen Y Mishin A. Kondakov G. Henriksen T. Haug, N. Røv
Biol. Cons. 70 (Ja) p. 59-67
1992

The effect of invading harp seals (Phoca groenlandica) on local fish stocks in North Norway.

Kjell Tormod Nilssen, Per E. Grotnes, Tore Haug
Fisheries Research 13 p. 25-37
1992

The effect of invading harp seals (Phoca groenlandica) on local coastal fish stocks of North Norway.

P.E. & Grotnes K.T. Nilssen, T. Haug
Fish Res. 13 (Ja) p. 25-37
1991

Harp seal (Phoca groenlandica) invasions in Norwegian coastal waters: age composition and feeding habits.

Tore Haug, Ari Krøyer, Kjell Tormod Nilssen, Karl Inne Ugland, Paul Eric Aspholm
ICES Journal of Marine Science 48 p. 363-371
1991

Harp seal (Phoca groenlandica) invasions in Norwegian coastal waters: age composition and feeding habits.

Haug, T., Krøyer, A.B., Nilssen, K.T., Ugland, K.I., and Aspholm, P.E.
ICES J. mar. Sci. 48 (Ja) p. 363-371

Poster

2017

Semi-automatic detection of ice breeding seal pups in aerial images using deep learning techniques

Arnt Børre Salberg, Kjell Tormod Nilssen, Garry B. Stenson
2013

Identifying periods of ‘resting’ at sea helps making sense of harbour seals’ foraging signature in movement data

Virginie Ramasco, Martin Biuw, Frédéric Barraquand, Kjell Tormod Nilssen, Bernie J. McConnell
2013

Ecopath modelling of ecosystem structure of a subarctic norwegian fjord after a decline in the coastal cod (Gadus morhua) stock

Torstein Pedersen, Ulf Lindstrøm, Einar Magnus Nilssen, Mona Maria Fuhrmann, Trond Ivarjord, Kjell Tormod Nilssen, Virginie Ramasco, Lis Lindal Jørgensen, Jan Henry Sundet, Knut Sivertsen, Emma Källgren, Christer Michaelsen, Geir Helge Systad, Martin Svenning
2010

Greenland Sea hooded seals – victims of climate change?

Tore Haug, Anne Kirstine Højholt Frie, Kjell Tormod Nilssen, Tor Arne Øigård

Kapitler og bøker

2015

Kyst

Hege Gundersen, Kjell Magnus Norderhaug, Eli Rinde, Torbjørn Martin Johnsen, Gro Ingleid van der Meeren, Kjell Tormod Nilssen, Svein-Håkon Lorentsen
p. 50-58
2010

Kyst (bunn og pelagisk).

Eivind Oug, Hartvig C Christie, Wenche Eikrem, Gro Ingleid van der Meeren, Kjell Tormod Nilssen, Svein-Håkon Lorentsen
p. 46-59
1996

Ecological implications of harp seal Phoca groenlandica invasions in Northern Norway.

Tore Haug, Kjell Tormod Nilssen
p. 545-556
1996

Spatial and temporal variations in northeast Atlantic minke whale Balaenoptera acutorostrata feeding habits.

Tore Haug, Harald Gjøsæter, Ulf Lindstrøm, Kjell Tormod Nilssen, Ingolf Røttingen
p. 225-239

Populærvitenskapelige artikler

2014

Is the harp seal on a diet in the Barents Sea?

Tore Haug, Ulf Lindstrøm, Kjell Tormod Nilssen, Tor Arne Øigård
Fram Forum p. 54-56
2014

Isavhengige selarter påvirkes av minkende drivis.

Tore Haug, Kjell Tormod Nilssen, Tor Arne Øigård
Fisken og Havet, Særnummer p. 136-138

Faglige foredrag

2016

Diet and prey consumption of grey seals (Halichoerus grypus) in Norwegian waters.

Kjell Tormod Nilssen, Ulf Lindstrøm, Taija Tuominen, Monika Charlotta Lindblom, Tore Haug
2015

Kystøkosystemet

Hege Gundersen, Kjell Magnus Norderhaug, Eli Rinde, Torbjørn Martin Johnsen, Gro Ingleid van der Meeren, Kjell Tormod Nilssen
2015

The response of harbour seals to seasonal dynamics in prey availability in a subarctic fjord in Northern Norway.

Virginie Ramasco, Ulf Lindström, Kjell Tormod Nilssen
2009

Feeding behaviour and habitat use of harbour seals (Phoca vitulina) in the Vesterålen archipelago, Norway

Virginie Ramasco, Kjell Tormod Nilssen

Annet tidsskriftbidrag

2013

Slankere sel i Barentshavet

Kjell Tormod Nilssen, Tor Arne Øigård, tore Haug, Ulf Lindstrøm
Forskning.no : nettavis med nyheter fra norsk og internasjonal forskning

Rapporter og avhandlinger

2008

Marinøkologiske ringvirkninger av vindmølleparker til havs

Henning Steen, Kjell Tormod Nilssen, Ann-Lisbeth Agnalt, John Olav Alvsvåg, Lars Asplin, Anders Jelmert, Einar Dahl, John Dalen
2007

Marinøkologiske effekter av vindmøller i sjøen

Henning Steen, Kjell Tormod Nilssen, Ann-Lisbeth Agnalt, John Olav Alvsvåg, Lars Asplin, John Dalen, Anders Jelmert
2002

Registrering av havertunger i Nord-Trøndelag, Nordland og Finnmark i oktober-november 2001

Kjell Tormod Nilssen, Peter Corkeron, Tore Haug, Nils Erik Skavberg, Lotta Lindblom
2002

Report from aerial surveys of ice breeding seals in the Greenland Sea pack-ice during the 2002 whelping season

Tore Haug, Peter Corkeron, Kjell Tormod Nilssen, Garry B. Stenson
Er denne profilen din? Rediger denne profilen (logg inn)