Elvar H. Hallfredsson
Arbeidsområde
Leder for HI prosjektet for forskning og rådgiving på dyphavsfisk og bruskfisk, som innbefatter 36 store og små fiskebestander.
Drar på forskningstokt, hovedsakelig en gang i året som toktleder og ansvarlig for akustikk i undersøkelser og overvåking af fiskeforekomster på Eggakanten.
Økologi og fiskesamfunn
Curriculum Vitae
Utdanning etter artium:
2001 - 2006 Doctor scient. i fiskeribiologi ved Norges Fiskerihøgskole/Universitet i Tromsø.
1994 - 1998 Cand. mag. og Cand. scient. i ressursbiologi ved Norges Fiskerihøgskole/Universitetet i
Tromsø.
1986 - 1989 DH - kandidat i akvakultur ved Sogn og Fjordene Distriktshøgskole.
1985 - 1986 VK-1 i akvakultur ved Ytre Namdal Videregående Skole.
Yrkeserfaring:
Stillinger:
2007 - Forsker Havforskningsinstituttet.
2019 - 2022 Førsteamanuensis II ved Norges Fiskerihøgskole.
2006 - 2007 Førsteamanuensis ved Norges Fiskerihøgskole.
2001 - 2006 Stipendiat og amanuensis ved Norges Fiskerihøgskole.
2000 - 2001 Universitetslektor ved Norges Fiskerihøgskole.
1998 - 2000 Bearbeiding av biologiske prøver for Akvaplan niva og Fiskeriforskning. Undervisning ved Norges Fiskerihøgskole. Undervisning ved Breivika videregående skole.
1990 - 1994 Undervisning i grunnskole/leirskole, Héraðsskólinn að Reykjum.
1989 - 1990 Forskningstekniker ved Institutt for Ferskvannsfiske på Island.
1984 - 1985 Butikk medarbeider i it-avdeling, Bókabúð Braga.
Annet midlertidig arbeid:
Rognkjeksfiske fra Stykkishólmur på Island: 14 vårsesonger. Røkter to somrer ved havbeitestasjon, Silfurlax h/f. Akvaplan niva: Tre somrer ved analyser av bunnprøver.
Norges Fiskerihøgskole: Forsknings tokter, analyse av prøver, hjelpelærer på forskjellige kurser. Flere kortvarige jobber i studietiden som fisker, i fiskeindustri, i fiskeoppdrett m.m.
Publikasjoner
Vitenskapelige artikler (NVI)
2024
Scrutinizing the current management units of the greater argentine in the light of genetic structure
ICES Journal of Marine Science
2023
Fish assemblages at the Yermak Plateau and in northern Svalbard waters during the period 2012–2020
Progress in Oceanography
219
2023
Fish assemblages at the Yermak Plateau and in northern Svalbard waters during the period 2012-2020
Progress in Oceanography
2023
Population structure discovered in juveniles of Greenland halibut (Reinhardtius hippoglossoides Walbaum, 1792)
ICES Journal of Marine Science
80
p. 889-896
2023
Wind-driven upwelling of iron sustains dense blooms and food webs in the eastern Weddell Gyre
Nature Communications
14
2022
Migration patterns of Greenland halibut in the North Atlantic revealed by a compiled mark-recapture dataset
ICES Journal of Marine Science
79
p. 1902-1917
2021
Phenology and Environmental Control of Phytoplankton Blooms in the Kong Håkon VII Hav in the Southern Ocean
Frontiers in Marine Science
8
2021
Pan-Arctic suitable habitat model for Greenland halibut
ICES Journal of Marine Science
78
p. 1340-1356
2017
Future harvest of living resources in the Arctic Ocean north of the Nordic and Barents Seas: A review of possibilities and constraints
Fisheries Research
188
p. 38-57
2016
Predation on early life stages is decisive for year-class strength in the Barents Sea capelin (Mallotus villosus) stock
ICES Journal of Marine Science
73
p. 182-195
2015
Different maturity scales affect estimations of fecundity, TEP and spawning stock size of Greenland halibut, Reinhardtius hippoglossoides (Walbaum, 1792)
Marine Biology Research
11
p. 824-833
2009
Effects of predation from juvenile herring (Clupea harengus) on mortality rates of capelin (Mallotus villosus) larvae
Canadian Journal of Fisheries and Aquatic Sciences
66
p. 1693-1706
2007
Estimation of digestion rates for herring Clupea harengus L. feeding on fish larvae
Journal of Fish Biology
70
p. 638-643
2007
Effects of predation from pelagic 0-group cod (Gadus morhua) on mortality rates of capelin (Mallotus villosus) larvae in the Barents Sea
Canadian Journal of Fisheries and Aquatic Sciences
64
p. 1710-1722
2007
Modelling the growth, mortality, and predation interactions of cod juveniles and capelin larvae in the Barents Sea using a novel proto-moment population dynamics model
ICES Journal of Marine Science
64
p. 1313-1323
2006
Effects of alternative prey on predation intensity from herring Clupea harengus and sandeel Ammodytes marinus on capelin Mallotus villosus larvae in the Barents Sea
Journal of Fish Biology
69
p. 1807-1823
Vitenskapelige foredrag
2017
Deep-sea fish communities at the eastern slope of the Norwegian Sea - Environmental gradients and vulnerability to multiple stressors
Faglige foredrag
2020
Exploring the emergent niche of Greater argentine (Argentina silus) along gradients of topography, light and advection
2017
The Hinlopen area - a regional hotspot north of Svalbard?
2017
The Hinlopen area - a regional hotspot north of Svalbard?
2015
Use of Acoustic Observations in Assessment of Deep Sea Fish: Case Study Greater Silver Smelt (Argentina silus) in Norwegian Water
2013
Different maturity scales affect estimations of fecundity, TEP and spawning stock size of Greenland halibu, Reinhardtius hippoglossoides (Walbaum)
2012
Kvoteutsiktene for de viktigste fiskeslagene de neste 5 årene
Poster
2021
Exploring the emergent niche of Greater silver smelt (Argentina silus) along gradients of topography, light and advection
2015
A new ICES assessment model for Greenland halibut in the Barents Sea: making the best use of the available data
2009
Fishes below 400 m depth in Norwegian Waters: Vulnerability and management
2004
Effects of prey size and type on predation intensity from herring (Clupea harengus) and sand eel (Ammodytes tobianus) on capelin (Mallotus villosus) larvae in the Barents Sea
2003
Predation from juvenile herring and 0-group cod on capelin larvae in the Barents Sea
Rapporter og avhandlinger
2024
Revision of the Norwegian-Russian Barents Sea Ecosystem Survey (BESS) - The current status and revision of the Norwegian sector of the BESS survey
Rapport fra havforskningen
2024
Advice on fishing opportunities for Northeast Arctic cod in 2025 in ICES subareas 1 and 2
IMR/PINRO Joint Report Series
2024
Joint Russian Norwegian Arctic Fisheries Working Group (JRN-AFWG) Report 2024
IMR/PINRO Joint Report Series
2024
Advice on fishing opportunities for Northeast Arctic haddock in 2025 in ICES subareas 1 and 2
IMR/PINRO Joint Report Series
2023
Fremmedstoffer i flekksteinbit, gråsteinbit og vassild/strømsild - Sluttrapport for kartleggingsprogrammet «Miljøgifter i fisk og fiskevarer» 2019-2022
Rapport fra havforskningen
2023
Arctic Fisheries Working Group (AFWG; outputs from 2022 meeting)
ICES Scientific Reports
5
p. 1-507
2023
Report of the Joint Russian-Norwegian Working Group on Arctic Fisheries (JRN-AFWG) 2023
IMR/PINRO Joint Report Series
2023
Advice on fishing opportunities for Northeast arctic haddock in 2024 in ICES subareas 1 and 2
IMR/PINRO Joint Report Series
2023
Advice on fishing opportunities for Northeast Arctic cod in 2024 in ICES subareas 1 and 2
IMR/PINRO Joint Report Series
2023
Advice on fishing opportunities for Greenland halibut in 2024 in ICES subareas 1 and 2
IMR/PINRO Joint Report Series
2023
Arctic Fisheries Working Group (AFWG; outputs from 2022 meeting)
ICES Scientific Reports
5
p. 1-507
2021
WORKING GROUP ON THE BIOLOGY AND ASSESSMENT OF DEEP-SEA FISHERIES RESOURCES (WGDEEP)
2021
Arctic Fisheries Working Group (AFWG). ICES Scientific Reports 3:58.
2021
Innspill til høring - Forslag til program for konsekvensutredning for mineralvirksomhet på norsk sokkel
2020
Arctic Fisheries Working Group (AFWG).
2020
Working Group on the Biology and Assessment of Deep-sea Fisheries Resources (WGDEEP).
2020
Status for miljøet i Barentshavet: Rapport fra Overvåkingsgruppen 2020
2019
Working Group on the Biology and Assessment of Deep-sea Fisheries Resources (WGDEEP).
2019
Working Group on the Biology and Assessment of Deep-sea Fisheries Resources (WGDEEP).
ICES Scientific Reports
1:21
p. 998
2017
Cruise report SI_ARCTIC / Arctic Ecosystem survey R/V Helmer Hanssen, 2-16 September 2016
2017
Report of the Arctic Fisheries Working Group, Copenhagen, 19-25 April 2017. ICES C.M. 2017/ACOM:06
2017
Report of the Working Group on the Integrated Assessments of the Barents Sea. WGIBAR 2017 Report, 16-18 March 2017. Murmansk, Russia. ICES CM 2017/SSGIEA:04
2016
Report of the Arctic Fisheries Working Group (AFWG), Dates 19-25 April 2016, ICES HQ, Copenhagen, Denmark.ICES CM 2016/ACOM:06.
2016
Greater silver smelt in ICES areas I, II, IIIa and IV. WD for ICES WGDEEP 2016.
2013
ICES Arctic Fisheries (AFWG) REPORT 2013
2011
Survey strategy for monitoring Norwegian deep-sea fish species
Fisken og havet;8-2011
2010
Report of the Benchmark Workshop on Deep-water Species (WKDEEP)
2010
Report of the Working Group on the Biology and Assessment of Deep‐sea Fisheries Resources (WGDEEP)
2009
Kvoteråd for vassildfiske i norsk sone 2010
2006
Fish predation on capelin larvae Mallotus villosus in the Barents Sea, in relation to recruitment
p. 199
2004
Prey recognition of capelin (Mallotus villosus) larvae in juvenile cod (Gadus morhua L.) stomachs
2004
Effects of predation from juvenile herring on mortality rates of capelin larvae in the Barents Sea
1998
Feeding of cod (Gadus morhua) and saithe (Pollachius virens) on the banks and in the coastal waters of Northern Norway - with respect to competition, predation and consumption
1989
Undersøkelse av en røye-innsjø og en blandet røye- og ørret- innsjø på Nord-Island, Høfdavatn og Ølvesvatn, etter selektivt fiske i noen år
Nettrapporter
Nettrapporter
- Revision of the Norwegian-Russian Barents Sea Ecosystem Survey (BESS)
- Joint Russian Norwegian Arctic Fisheries Working Group (JRN-AFWG) Report 2024
- Fremmedstoffer i flekksteinbit, gråsteinbit og vassild/strømsild
- Report of the Joint Russian-Norwegian Working Group on Arctic Fisheries (JRN-AFWG) 2023
- Innspill til høring - Forslag til program for konsekvensutredning for mineralvirksomhet på norsk sokkel
- Status for miljøet i Barentshavet
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