Ingvar Byrkjedal

Emeritus

University Museum of Bergen Department of Natural History

E-mailingvar.byrkjedal@uib.no
Visitor Address
Allégaten 41

Realfagbygget

5007 Bergen
Postal Address
Postboks 7800

5020 Bergen

Publications

Academic article

Show author(s) (2023). Selection of territorial habitat in a declining population of Lapland Longspurs Calcarius lapponicus. Ornis Norvegica. 1-11.

Show author(s) (2022). Numbers of Horned Lark Eremophila alpestris are increasing at high alpine and arctic breeding sites in Norway. Ornis Norvegica. 10-15.
Show author(s) (2022). Diet of three sympatric species of granivorous songbirds in a Norwegian high mountain area during the early breeding season. Ornis Norvegica. 16-26.

Show author(s) (2021). Population status, trends and conservation of meadow-breeding waders in Norway. Wader Study. 6-21.

Show author(s) (2020). Walleye pollock Gadus chalcogrammus Pallas, 1814 found north of Spitsbergen indicates a Pacific-Atlantic connection in the species. Fauna Norvegica. 137-140.
Show author(s) (2020). Approaching the Arctic: the occurrence of Parin’s spinyfin Diretmichthys parini (Beryciformes: Diretmidae) in the Nordic Seas . Fauna Norvegica. 43-46.

Show author(s) (2019). Selective feeding on jellyfish organs by Northern Fulmars Fulmarus glacialis. Ornis Norvegica. 15-18.
Show author(s) (2019). Bestandsendring hos storspove på Jæren 1997-2019. Falco. 70-71.

Show author(s) (2018). The distribution of the fathead sculpin species Cottunculus subspinosus Jensen, 1902. Fauna Norvegica. 13-17.
Show author(s) (2018). Nedgang i hekkebestanden av tjeld i jordbrukslandskap på Jæren. Falco. 94-99.
Show author(s) (2018). Demersal fish assemblages in the boreo-Arctic shelf waters around Svalbard during the warm period 2007–2014. Polar Biology. 125-142.

Show author(s) (2017). Pruning the pearlsides: reconciling morphology and molecules in mesopelagic fishes (Maurolicus: Sternoptychidae). Deep-Sea Research Part II: Topical Studies in Oceanography. 246-257.
Show author(s) (2017). Interspecific aggression by wintering Great Northern Divers Gavia immer. Ornis Norvegica. 49-54.
Show author(s) (2017). Fishes of the Northern Mid-Atlantic Ridge collected during the MAR-ECO Cruise in June-July 2004. An annotated checklist. Arquipélago. Ciências biológicas e marinhas. Life and marine sciences.. 1-125.
Show author(s) (2017). First record of juvenile northern wolffish (Anarhichas denticulatus Krøyer, 1845) on the continental slope of Northeast Greenland. Journal of Ichthyology. 633-638.

Show author(s) (2016). The black-legged kittiwake preen gland—an overlooked organ for depuration of fat-soluble contaminants? Polar Research.
Show author(s) (2016). Preservation obscures pelagic deep-sea fish diversity: doubling the number of sole-bearing opisthoproctids and resurrection of the genus Monacoa (Opisthoproctidae, Argentiniformes). PLOS ONE. 23 pages.
Show author(s) (2016). Possible resource-defence polygyny in the extinct Rodrigues Solitaire Pezophaps solitaria (Columbidae: Raphini). IBIS. 199-201.
Show author(s) (2016). Novel biodiversity baselines outpace models of fish distribution in Arctic waters. Die Naturwissenschaften. 6 pages.
Show author(s) (2016). Lebetus scorpioides and Buenia jeffreysii (Teleostei: Gobiidae) found north of the Arctic Circle. Fauna Norvegica. 47-50.

Show author(s) (2015). Red-spotted Bluethroats Luscinia s. svecica migrate along the Indo-European flyway: a geolocator study. Bird Study. 508-515.
Show author(s) (2015). Arctic skate Amblyraja hyperborea preys on remarkably large glacial eelpouts Lycodes frigidus. Journal of Fish Biology. 360-364.

Show author(s) (2014). Resident female northern lapwings Vanellus vanellus fight to exclude settlement by secondary females. IBIS. 461-465.
Show author(s) (2014). Plumage ornaments in male Northern Lapwings Vanellus vanellus may not be a reliable indicator of their mating success. Ornis Fennica. 79-87.
Show author(s) (2014). Molecular and morphological variation in saddled fathead sculpins (Psychrolutidae: Cottunculus) of the north-east Atlantic Ocean, with a synonymy of three species. Journal of Fish Biology. 821-837.
Show author(s) (2014). Atlantic fishes in the Chukchi Borderland. Marine Biodiversity. 127-150.

Show author(s) (2013). Rapid sampling of males and territories by female northern lapwing, Vanellus vanellus. The Wilson Journal of Ornithology. 809-811.
Show author(s) (2013). Morphological and molecular variation in Synaphobranchus eels (Anguilliformes: Synaphobranchidae) of the Mid-Atlantic Ridge in relation to species diagnostics. Marine Biodiversity. 407-420.
Show author(s) (2013). Mitogenomic sequences and evidence from unique gene rearrangements corroborate evolutionary relationships of Myctophiformes (Neoteleostei). BMC Evolutionary Biology.
Show author(s) (2013). Lack of taxonomic information from parietal spine size invalidates subspecies in the Atlantic hookear sculpin Artediellus atlanticus. Journal of Fish Biology. 277-285.
Show author(s) (2013). Chick growth and survival in northern lapwings Vanellus vanellus indicate that secondary females do the best of a bad job. Journal of Avian Biology. 376-382.

Show author(s) (2012). Population trends of northern lapwing, Eurasian curlew and Eurasian oystercatcher over 15 years in a southwest Norwegian farmland. Ornis Norvegica. 16-22.
Show author(s) (2012). Hvor mange viper hekker det på Jæren? Falco. 87-94.
Show author(s) (2012). Hekkebestanden av storspove på Jæren. Falco. 137-140.
Show author(s) (2012). Do passerine birds utilise artificial light to prolong their diurnal activity during winter at northern latitudes? Ornis Norvegica. 37-42.
Show author(s) (2012). Censuses of breeding birds in a South Norwegian arctic-alpine habitat three decades apart show population declines in the most common species. Ornis Norvegica. 43-47.

Show author(s) (2011). The marine fishes of Jan Mayen Island, NE Atlantic – past and present. Marine Biodiversity. 395-411.
Show author(s) (2011). Social behaviour of wintering Great Northern Divers Gavia immer in relation to age categories. Ornis Norvegica. 10-16.
Show author(s) (2011). Lycodes adolfi Nielsen and Fosså, 1993 (Teleostei: Zoarcidae) found in the Arctic Ocean. Polar Biology. 465-467.
Show author(s) (2011). Leptoderma macrophthalmum n.sp., a new species of smooth-head (Otocephala: Alepocephalidae) from the Mid Atlantic Ridge. Zootaxa. 49-56.
Show author(s) (2011). First record of a synaphobranchid eel in the Arctic: Diastobranchus capensis caught near Spitsbergen. Cybium. 255-256.
Show author(s) (2011). Atlas of the Barents Sea fishes. IMR/PINRO Joint Report Series. 1-272.

Show author(s) (2010). The fauna of hydrothermal vents on the Mohn Ridge (North Atlantic). Marine Biology Research. 155-171.

Show author(s) (2009). Records of the gadoid fish Arctogadus glacialis (Peters, 1874) in the European Arctic. Polar Biology. 963-970.
Show author(s) (2009). Fish. IMR/PINRO Joint Report Series. 50-62.
Show author(s) (2009). Dispersal and age at first breeding in Norwegian Northern Lapwings (Vanellus vanellus). Ornis Fennica. 11-17.

Show author(s) (2008). Vertical structure, biomass and topographic association of deep-pelagic fishes in relation to a mid-ocean ridge system. Deep-Sea Research Part II: Topical Studies in Oceanography. 161-184.
Show author(s) (2008). Towards improved understanding of the diversity and abundance patterns of the mid-ocean ridge macro- and megafauna. Deep-Sea Research Part II: Topical Studies in Oceanography. 1-5.
Show author(s) (2008). The taxonomic status of Theragra finnmarchica Kofoed, 1956 Teleostei: Gadidae): perspectives from morphological and molecular data. Journal of Fish Biology. 1183-1200.
Show author(s) (2008). Autumn bird observations in the Northeast Greenland sea ice. Dansk Ornitologisk Forenings Tidsskrift. 325-330.

Show author(s) (2007). Plasma testosterone levels of incubating female northern lapwings Vanellus vanellus. Ornis Norvegica. 124-126.
Show author(s) (2007). Lumping lumpsuckers: molecular and morphological insights into the taxonomic status of Eumicrotremus spinosus (Fabricius, 1776) and Eumicrotremus eggvinii Koefoed, 1956 (Teleostei: Cyclopteridae). Journal of Fish Biology. 111-131.
Show author(s) (2007). Distribution of demersal fish in the south-western Barents Sea. Polar Research. 135-151.
Show author(s) (2007). Deepwater skates (Rajidae) collected during the 2004 cruises of R.V. "G.O. Sars" and M.S. "Loran" in the Mid-Atlantic Ridge area. Cybium. 35-48.
Show author(s) (2007). A new species of Cottunculus (Teleostei : Psychrolutidae) from the mid Atlantic ridge. Zootaxa. 63-68.

Show author(s) (2006). Sparrowhawk killed by its prey. Ornis Norvegica. 59-61.
Show author(s) (2006). Distribution of Sorex minutus and Sorex araneus (Mammalia: Insectivora) within a forest area in Western Norway. Fauna Norvegica, Serie A. 55-62.

Show author(s) (2005). The occurrence of Theragra finnimarchica Koefoed, 1956 (Teleostei, Gadidae), 1932-2004. Journal of Fish Biology.
Show author(s) (2005). Egg size in relation to sex of embryo, brood sex ratios and laying sequence in northern lapwings (Vanellus vanellus). Journal of Zoology. 81-87.

Show author(s) (2004). Northward range extensions of some mesopelagic fishes in the Northeastern Atlantic. Sarsia. 484-489.
Show author(s) (2004). Incubation behaviour in male Northern Lapwings Vanellus vanellus in relation to mating opportunities and female body condition. Ardea. 19-30.
Show author(s) (2004). Incubation behaviour in Northern Lapwings: Nocturnal nest attentiveness and possible importance of individual breeding quality. Ethology. 177-192.
Show author(s) (2004). Incubation Behaviour in Northern Lapwings: Nocturnal Nest Attentiveness and Possible Importance of Individual Breeding Quality. Ethology. 177-192.

Show author(s) (2003). Predicting polygynous settlement while incorporating varying female competitive strength. Behavioral Ecology. 257-267.
Show author(s) (2003). Predicting polygynous settlement while incorporating varying female competitive strength. Behavioral Ecology. 257-267.
Show author(s) (2003). Predicting polygonous settlement while incorporating varying female competitive strength. Behavioral Ecology. 257-267.
Show author(s) (2003). Is clutch size limited by incubation ability in Northern Lapwings? Journal of Animal Ecology. 784-792.
Show author(s) (2003). Første funn av småtannvassild Glossanodon leioglossus (Valenciennes, 1848) i nord-europeiske farvann. Fauna. 76-77.
Show author(s) (2003). Bestandsutvikling hos vipe, storspove og tjeld på Jæren, 1997-2002. Falco. 15-21.
Show author(s) (2003). (The sailray Dipturus linteus as a regular species in the southwesternmost Barents Sea.). Fauna Norvegica. 72-75.

Show author(s) (2002). Spisshalekutling Leseurigobius friesii funnet i Rogaland. Fauna. 105-107.
Show author(s) (2002). Grønlandshavkrøkle Nansenia groenlandica (Reinhardt, 1840) funnet i det sørlige Barentshav. Fauna. 57-59.
Show author(s) (2002). 'Magic carpet' flight in shorebirds attacked by raptors on a migrational stopover site. Ardea. 167-171.

Show author(s) (2001). Simultaneous tetragyny in Northern Lapwing Vanellus vanellus. Bird Study. 124-125.
Show author(s) (2001). Simultaneous tetragyny in Northern Lapwing Vanellus vanellus. Bird Study. 124-125.
Show author(s) (2001). Mate replacement and male brood adoption in lapwing Vanellus vanellus. The Wader Study Group Bulletin. 55-58.
Show author(s) (2001). Mate replacement and male brood adoption in Lapwings Vanellus vanellus. The Wader Study Group Bulletin. 55-58.
Show author(s) (2001). Funn av istorsk Arctogadus glacialis (Peters, 1874) øst for Svalbard. Fauna. 38-41.

Show author(s) (2000). Winter habitat of white-billed and great northern divers on the coast of Norway. Ornis Norvegica. 1-5.
Show author(s) (2000). Winter habitat of white-billed and great northern divers on the coast of Norway. Ornis Norvegica. 1-5.
Show author(s) (2000). The role of velvet scoters Melanitta fusca for pursuit-diving seabirds in winter. Ornis Norvegica. 6-10.
Show author(s) (2000). The role of velvet scoters Melanitta fusca for pursuit-diving seabirds in winter. Ornis Norvegica. 6-10.
Show author(s) (2000). Simultaneous tetragyny in northern lapwing, Vanellus vanellus. Bird Study. 00.
Show author(s) (2000). Chick punishment and chick adoption in Northern Lapwings. Ornis Fennica. 89-92.
Show author(s) (2000). Chick punishment and chick adoption in Northen Lapwings. Ornis Fennica. 89-92.
Show author(s) (2000). Chick punishment and chick adoption in Northen Lapwings. Ornis Fennica. 89-92.

Show author(s) (1999). Northern lapwing Vanellus vanellus copulating with a grass turf. Ornis Norvegica. 60-62.
Show author(s) (1999). Northern Lapwing Vanellus vanellus copulating with a grass turf. Ornis Norvegica. 60-62.

Show author(s) (1997). Mating systems and territory in Lapwings Vanellus vanellus. IBIS. 129-137.
Show author(s) (1997). Mating system and territory in Lapwings Vanellus vanellus. IBIS. 129-137.
Show author(s) (1997). Identifying inter-dive intervals in time-activity budget studies of diving ducks. Wildlife Biology. 45-51.
Show author(s) (1997). Feeding associations between red-necked grebes Podiceps griseigena and velvet scoters Melanitta fusca in winter. IBIS. 45-50.

Show author(s) (1996). Factors related to aggressive nest protection behaviour: a comparative study of Holarctic waders. Biological Journal of the Linnean Society. 409-439.
Show author(s) (1996). Factors related to aggressive nest protection behaviour : a comparative study of Holarctic waders. ?. 409-439.

Show author(s) (1994). Terrestrial habitat use by frogs and toads, Rana temporaria L: and Bufo bufo (L.), in West Norway. Fauna Norvegica, Serie A. 25-28.
Show author(s) (1994). Terrestrial habitat use by frogs and toads, Rana temporaria L. and Bufo bufo (L.), in West Norway. Fauna Norvegica, Serie B. 25-28.
Show author(s) (1994). Radiocesium (137Cs) from the Chernobyl reactor in Eurasian woodcock and earthworms. Journal of Wildlife Management. 141-147.
Show author(s) (1994). Radiocesium (%1%3%7Cs) from the Chernobyl Reactor in Eurasian Woodcock and Earthworms in Norway. Journal of Wildlife Management. 141.

Show author(s) (1991). The role of drive conflicts as a mechanism for nest-protection behaviour in the shorebird Pluvialis dominica. Ethology. 149-159.

Show author(s) (1990). Sond flight of the pintail snipe Gallonago stenura on the breeding grounds. Ornis Scandinavica. 239-247.

Show author(s) (1989). Time constraints and vigilance: breeding season diet of the dotterel (Charadrius morinellus). Journal of Ornithology = Journal fur Ornithologie. 293-302.
Show author(s) (1989). Sexual and antagonistic behaviour of bar-tailed godwits on the breeding grounds. Ornis Scandinavica. 169-175.
Show author(s) (1989). Resource partitioning among seven carbid species on Hardangervidda, southern Norway. Annales Zoologici Fennici. 113-120.
Show author(s) (1989). Nest habitat and nesting success of lesser golden-plovers. Wilson bulletin. 93-96.
Show author(s) (1989). Nest defense behavior of lesser golden-plovers. Wilson bulletin. 579-590.
Show author(s) (1989). Habitat use and resource overlap by breeding golden plovers and dotterels (Pluvialis apricaria, Charadrius morinellus). Journal of Ornithology = Journal fur Ornithologie. 197-206.

Show author(s) (1988). Song and mating behaviour of the spotted redshank Tringa erythropus. Fauna Norvegica, Serie C, Cinclus. 51-56.

Show author(s) (1987). Short-billed dowitchers associate closely with lesser golden-plovers. Wilson bulletin. 494-495.
Show author(s) (1987). Antipredator behavior and breeding success in greater golden-plover and Eurasian dotterel. The Condor. 40-47.

Show author(s) (1986). Summer food of a mountain population of common gull Larus canus. Fauna Norvegica, Serie C, Cinclus. 17-24.
Show author(s) (1986). Sex and age biased mobility in hawk owls Surnia ulula. Ornis Scandinavica. 306-308.

Show author(s) (1985). Vinterhekkende kattugler i Bergen. Vår Fuglefauna. 39-40.
Show author(s) (1985). Time-activity budget for breeding greater golden-plovers in Norwegian mountains. Wilson bulletin. 486-501.
Show author(s) (1985). Time budget and parental labour division in breeding black-tailed godwits Limosa l. limosa. Fauna Norvegica, Serie C, Cinclus. 24-34.
Show author(s) (1985). Seasonal variation in egg size in golden ploevr Pluvialis apricaria and dotterel Charadrius morinellus populations. Ornis Scandinavica. 108-112.

Show author(s) (1984). Line transects of waders in an alpine area: a methodological study. Annales Zoologici Fennici. 399-402.
Show author(s) (1984). Høst- og vinterbestanden av vannfugl på Jæren 1983/84 og noen oppsummeringer for perioden 1979/80-83/84. Falco. 159-173.
Show author(s) (1984). Breeding chronology and mating system of the Eurasian dotterel (Charadrius morinellus). The AUK: A Quarterly Journal of Ornithology. 834-847.

Show author(s) (1983). Plover's Page turns into Plover's Parasite: a look at the dunlin/golden plover association. Ornis Fennica. 10-15.
Show author(s) (1983). Høst- og vinterbestanden av vannfugl på Jæren. Falco. 193-201.
Show author(s) (1983). Første norske funn av kittlitzlo Charadrius pecuarius TEMM. Stavanger Museums årbok. 37-44.

Show author(s) (1982). Trends in the numbers of migrating shorebirds at Revtangen Bird Observatory, SW Norway, in the 21-year period 1947-67. Fauna Norvegica, Serie C, Cinclus. 53-58.
Show author(s) (1982). Oljeskadet sjøfugl langs kysten av Rogaland og Vest-Agder i januar-mars 1982. Vår Fuglefauna. 96-99.
Show author(s) (1982). Høst- og vinterbestanden av vannfugl i januar-mars 1982. Falco. 165-173.

Show author(s) (1981). Vadefuglenes hekkestatus i Norge med Svalbard. Proc. Second Nordic Congr. Ornithology 1979. 57-74.
Show author(s) (1981). Høst- og vinterbestanden av vannfugl på Jæren 1980/81. Falco. 116-126.

Show author(s) (1980). Summer food of the golden plover Pluvialis apricaria at Hardangervidda, South Norway. Holarctic Ecology. 40-49.
Show author(s) (1980). Size, sex ratio, and age composition of the urban winter population of mallards Anas platyrhynchos in Bergen, western Norway. Fauna Norvegica, Serie C, Cinclus. 65-69.
Show author(s) (1980). Sesongmessige svingninger i forekomstene av rovfugl på Jæren. Vår Fuglefauna. 97-101.
Show author(s) (1980). Nest predation in relation to snow-cover - a possible factor influencing the start of breeding in shorebirds. Ornis Scandinavica. 249-252.
Show author(s) (1980). Munkens og jernspurvens opptreden på Jæren vinterstid. Fauna. 77-78.
Show author(s) (1980). Høsttrekkets forløp hos endel vadere på Jæren. Fauna Norvegica, Serie C, Cinclus. 60-64.
Show author(s) (1980). Høst- og vinterbestanden av vannfugl på Jæren 1979/80. Falco. 136-149.
Show author(s) (1980). Bestanden av ender, svaner og sothøns på Jæren gjennom vinterhalvåret i tiårs-perioden 1965/66-1974/75. Fauna Norvegica, Serie C, Cinclus. 36-48.

Show author(s) (1978). Variation and secondary intergradation in SW-Norwegian golden plover Pluvialis apricaria populations. Ornis Scandinavica. 101-110.
Show author(s) (1978). Autumn diet of golden plovers Pluvialis apricaria on farmland and a coastal heather moor in South Norway. Fauna Norvegica, Serie C, Cinclus. 22-28.
Show author(s) (1978). Altitudinal differences in breeding schedules of golden plovers Pluvialis apricaria (L.) in South Norway. Sterna. 1-20.

Show author(s) (1977). Tetthet av hekkende fugler i lyngheibiotop på Høg-Jæren. Sterna. 211-216.

Show author(s) (1976). Population size and reproduction of the reindeer (Rangifer tarandus platyrhynchus) on Nordenskiöld Land, Svalbard. Årbok / Norsk polarinstitutt. 139-152.
Show author(s) (1976). Counts of sea-birds between Norway and Spitsbergen in the summer 1973. Årbok / Norsk polarinstitutt. 256-269.

Show author(s) (1975). Svalbardrypas føde i august. Sterna. 87-90.
Show author(s) (1975). Smågnagerbein som kalsiumkilde ved eggproduksjon hos heilo. Sterna. 197-198.

Show author(s) (1974). Heiloen, Pluvialis apricaria, som hekkefugl i Rogaland. Sterna. 1-14.

Show author(s) (1973). Draktskifte hos hettemåke (Larus ridibundus) i Bergen våren 1971. Krompen. 7-11.

Show author(s) (1971). Islom på Jæren i juli-august. Sterna. 148-148.

Popular scientific lecture

Show author(s) (2020). Med nebb som en nymåne - Numenius-spovene og deres levesett.

Show author(s) (2017). Vipa - Jærens "nasjonalfugl".

Show author(s) (2016). Fuglefaunaen langs Jærstrendene.

Show author(s) (2010). Vipa - bestandsforhold og trusselbilde.
Show author(s) (2010). Har vipa en framtid på Jæren?

Academic lecture

Show author(s) (2018). Marine fishes of the arctic region.

Show author(s) (2011). Investigations of a unique fauna from hydrothermal vents along the Arctic Mid-Ocean Ridge (AMOR).

Show author(s) (2002). Optimal clutch size in Northern Lapwings: an experiment.
Show author(s) (2002). Optimal clutch size in Northern Lapwings: an experiment.

Compendium

Show author(s) (2013). List of Marine and Diadromous Fishes of the Arctic Region: Working Draft with Common Names and Zoogeographic Characterizations for the Circumpolar Biodiversity Monitoring Program.

Show author(s) (1998). BZM 241 - Norges terrestre vertebrater.