Blar i Bergen Open Research Archive på forfatter "Byrkjedal, Ingvar"
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Approaching the Arctic: the occurrence of Parin’s spinyfin Diretmichthys parini (Beryciformes: Diretmidae) in the Nordic Seas
Lynghammar, Arve; Byrkjedal, Ingvar; Bugjerde, Berit Margrete; Wienerroither, Rupert (Journal article; Peer reviewed, 2020)Two adult specimens of the tropical to subtropical fish species Diretmichthys parini are reported from the North Sea and the northern Norwegian Sea, respectively. Both were accidentally caught as bycatch by commercial ... -
The black-legged kittiwake preen gland—an overlooked organ for depuration of fat-soluble contaminants?
Solheim, Silje Aakre; Sagerup, Kjetil; Huber, Sandra; Byrkjedal, Ingvar; Gabrielsen, Geir Wing (Peer reviewed; Journal article, 2016-08-18)Most birds preen their feathers with an oily excrete from the uropygial (preen) gland. This oily excrete contains persistent organic pollutants (POPs), which make the preen gland a potential route of depuration of POPs in ... -
The distribution of the fathead sculpin species Cottunculus subspinosus Jensen, 1902
Byrkjedal, Ingvar; Langhelle, Gunnar; Christiansen, Jørgen Schou; Karamushko, Oleg V. (Peer reviewed; Journal article, 2018-04-13)The range of the rarely caught fathead sculpin species Cottunculus subspinosus has been considered restricted to the waters off East Greenland and Northeast Iceland. For the first time the species is recorded from the east ... -
Lebetus scorpioides and Buenia jeffreysii (Teleostei: Gobiidae) found north of the Arctic Circle
Byrkjedal, Ingvar; Wienerroither, Rupert; Jensen, Gjertrud (Peer reviewed; Journal article, 2016)Two gobiid species, Lebetus scorpioides and Buenia jeffreysii, were recorded in northern Norway, for the first time north of the Arctic Circle. While both species were found on the continental shelf west of the Lofoten ... -
Lycodes adolfi Nielsen and Fosså, 1993 (Teleostei: Zoarcidae) found in the Arctic Ocean
Byrkjedal, Ingvar; Langhelle, Gunnar; de Lange Wenneck, Thomas; Wienerroither, Rupert (Journal article, 2010-10-09)Adolf’s eelpout, Lycodes adolfi, was found at five bottom trawl stations in 2007–2009, on the slope towards the Sofia Deep north of Spitsbergen, at depths of 970–1,220 m and water temperatures below 0°C. Previously, the ... -
Mitogenomic sequences and evidence from unique gene rearrangements corroborate evolutionary relationships of myctophiformes (Neoteleostei)
Poulsen, Jan Yde; Byrkjedal, Ingvar; Willassen, Endre; Rees, David John; Takeshima, Hirohiko; Satoh, Takashi P.; Shinohara, Gento; Nishida, Mutsumi; Miya, Masaki (Peer reviewed; Journal article, 2013-06-03)Background: A skewed assemblage of two epi-, meso- and bathypelagic fish families makes up the order Myctophiformes – the blackchins Neoscopelidae and the lanternfishes Myctophidae. The six rare neoscopelids show few ... -
Red-spotted Bluethroats Luscinia s. svecica migrate along the Indo-European flyway: a geolocator study
Lislevand, Terje; Chutny, Bohumir; Byrkjedal, Ingvar; Pavel, Vaclav; Briedis, Martins; Adamik, Peter; Hahn, Steffen (Peer reviewed; Journal article, 2015-09-11)Capsule Red-spotted Bluethroats Luscinia s. svecica from two European breeding populations spent the boreal winter on the Indian sub-continent. Aim Tracking the migration of Red-spotted Bluethroats from Europe to the ... -
Selective feeding on jellyfish organs by northern fulmars Fulmarus glacialis
Byrkjedal, Ingvar; Langhelle, Gunnar (Peer reviewed; Journal article, 2019)Several marine animals prey extensively on jellyfish in spite of the low energy contents of this type of prey. Northern Fulmars Fulmarus glacialis observed in the Barents Sea feeding on medusae of lion’s mane jellies Cyanea ... -
Walleye pollock Gadus chalcogrammus Pallas, 1814 found north of Spitsbergen indicates a Pacific-Atlantic connection in the species
Byrkjedal, Ingvar; Langhelle, Gunnar (Journal article; Peer reviewed, 2020)A small (36.5 cm) female walleye pollock Gadus chalcogrammus Pallas, 1814 was caught north of Spitsbergen in 2011. The specimen had a high number of pyloric caeca (n=109), indicating a Pacific origin. The record is the ...