Karl Gunnarsson

2023

Valérie Chosson , Haseeb S. Randhawa, Guðjón Már Sigurðsson , Sverrir Daníel Halldórsson , Þorvaldur Þ. Björnsson, Vilhjálmur Svansson, Sandra Magdalena Granquist , Karl Gunnarsson , Filipa I. P. Samarra, Christophe Pampoulie . First record of Risso’s dolphin Grampus griseus (Cuvier, 1812) in Icelandic waters. Ecology and Evolution . 2023;e10477:13(9). https://doi.org/10.1002/ece3.10477

2022

Rakel Guðmundsdóttir , Sólveig R. Ólafsdóttir , Steinunn Hilma Ólafsdóttir , Pamela J. Woods , Lilja Gunnarsdóttir , Karl Gunnarsson , Kristinn Guðmundsson , Eydís Salome Eiríksdóttir . Vistfræðileg viðmið við ástandsflokkun strandsjávar. HV 2022-39. Haf- og vatnarannsóknir. 2022.

2020

Steinunn Hilma Ólafsdóttir , Karl Gunnarsson , Lilja Gunnarsdóttir . Lífríki fjöru við útrás affallsvatns frá Reykjanesvirkjun; Athuganir 2019. HV 2020-45. Haf- og vatnarannsóknir. 2020.

Hafsteinn G. Guðfinnsson, Kristín J. Valsdóttir , Agnes Eydal , Karl Gunnarsson , Kristinn Guðmundsson . Vöktun eiturþörunga við Ísland árin 2017 og 2018 /Harmful phytoplankton monitoring in Iceland in 2017 and 2018. HV 2020-10. Haf- og vatnarannsóknir. 2020.

Steffen Lundsteen, Erlingur Hauksson, Karl Gunnarsson . Hydrozoan colonization and succession in the tidal and subtidal zones in Surtsey during the period 1967 to 1984. Surtsey Research. 2020. https://doi.org/10.33112/surtsey.14.11

2019

Sólveig R. Ólafsdóttir , Agnes Eydal , Steinunn Hilma Ólafsdóttir , Karl Gunnarsson , Kristinn Guðmundsson . Gæðaþættir og viðmiðunaraðstæður strandsjávarvatnshlota / Quality Elements and Reference Conditions of Coastal Water Bodies. HV 2019-53. 2019.

Agnes Eydal , Sólveig R. Ólafsdóttir , Héðinn Valdimarsson, Karl Gunnarsson . Skilgreining á gerðum vatnshlota í strandsjó í við Ísland / Typology of Coastal Water Bodies in Iceland. HV 2019-52. 2019.

Agnes Eydal , Sólveig R. Ólafsdóttir , Karl Gunnarsson , Héðinn Valdimarsson. Flokkun strandsjávar í vatnshlot. HV 2019-50. 2019.

Karl Gunnarsson , Julian M. Burgos , Lilja Gunnarsdóttir , Svanhildur Egilsdóttir , Gunnhildur Georgsdóttir, Victor F. Pajuelo Madrigal. Klóþang í Breiðafirði, útbreiðsla og magn. HV 2019-16. 2019.

Karl Gunnarsson , Stephen Russel, Juliet Brodie. Schizymenia Jonssonii spn. now. (Nemastomatales, Rhodophyta): A relict or an introduction into the North Atlantic after the last glacial maximum?. J. Phycol. 2019. https://doi.org/10.1111/jpy.12957

Karl Gunnarsson , Stephen Russel, Juliet Brodie. SCHIZYMENIA JONSSONII SP. NOV. (NEMASTOMATALES, RHODOPHYTA): A RELICT OR AN INTRODUCTION INTO THE NORTH ATLANTIC AFTER THE LAST GLACIAL MAXIMUM?. J. Phycol. 2019.

2018

Guðrún G. Þórarinsdóttir , Karl Gunnarsson . Ígulkerið skollakoppur við Ísland - Líffræði og veiðar. Náttúrufræðingurinn. 2018;88:20-28.

Sólveig R. Ólafsdóttir , Héðinn Valdimarsson, Maria Dolores Pérez‐Hernández, Kristinn Guðmundsson , Ástþór Gíslason , Hildur Pétursdóttir , Hafsteinn G. Guðfinnsson, Kristín J. Valsdóttir , Agnes Eydal , Karl Gunnarsson . Ástand sjávar 2016. HV 2018-29. 2018.

Christopher J. Williamson, Rupert Perkins, Marian L. Yallop, César Peteiro, Noemi Sanchez, Karl Gunnarsson , Maggie Gamble, Juliet Brodie. Photoacclimation and photoregulation strategies of Corallina (Corallinales, Rhodophyta) across the NE Atlantic. European Journal of Phycology. 2018;53 (3):290-360. https://doi.org/10.1080/09670262.2018.1442586

2016

Gunnhildur Georgsdóttir, Karl Gunnarsson , Sigríður Kristinsdóttir, Guðmundur Guðmundsson. Vistgerðir í fjöru. Fjölrit Náttúrufræðistofnunar . 2016;54:214-219.

Karl Gunnarsson , Ruth Nielsen. Culture and field studies of Ulvellaceae and other microfilamentous green seaweeds in subarctic and arctic waters around Iceland. 2016;103 (1-2):17-46. https://doi.org/10.1127/nova_hedwigia/2016/0334

Karl Gunnarsson , Svanhildur Egilsdóttir . A collection-based approach to the species and their distribution based on the bladed Bangiales (Rhodophyta) of Iceland. Botanica Marina. 2016;59 (4):223-229. https://doi.org/10.1515/bot-2016-0037

2015

Stefán Áki Ragnarsson , Guðrún G. Þórarinsdóttir , Karl Gunnarsson . Short and long-term effects of hydraulic dredging on benthic communities and ocean quahog (Arctica islandica) populations. Marine Environmental Research. 2015;109:113-123. https://doi.org/10.1016/j.marenvres.2015.05.003

Karl Gunnarsson , Guðrún G. Þórarinsdóttir , Óskar Sindri Gíslason. Framandi sjávarlífverur við Ísland. Náttúrufræðingurinn. 2015;82 (1-2):4-14.

2014

Ruth Nielsen, Karl Gunnarsson , Niels Daugbjerg, Gitte Petersen. Description of Ulvella elegans sp. nov. and U. islandica sp. nov. (Ulvellaceae, Ulvophyceae) from Iceland – a study based on morphology of species in culture and tufA gene sequences. European Journal of Phycology. 2014;49 (1):60-67. https://doi.org/10.1080/09670262.2014.888483

Guðrún G. Þórarinsdóttir , Karl Gunnarsson , Óskar Sindri Gíslason. Invasive Species: Case studies from Iceland. Marine invasive species in the Arctic. 2014.

2013

Stephen Burrell, Þór Gunnarsson, Karl Gunnarsson , Dave Clarke, Andrew D. Turner. First detection of paralytic shellfish poisoning (PSP) toxins in Icelandic mussels (Mytilus edulis): Links to causative phytoplankton species. Food Control. 2013;31 (2):295-301. https://doi.org/10.1016/j.foodcont.2012.10.002

2012

Agnes Mols-Mortensen, Christopher D. Neefus, Ruth Nielsen, Karl Gunnarsson , Svanhildur Egilsdóttir , Paul Möller Pedersen, Juliet Brodie. New insights into the biodiversity and generic relationships of foliose Bangiales (Rhodophyta) in Iceland and the Faroe Islands. European Journal of Phycology. 2012;47 (2):146-159. https://doi.org/10.1080/09670262.2012.666678

Ólafur K. Pálsson, Stefán Áki Ragnarsson , Jón Sólmundsson , Karl Gunnarsson . Mælingar á brottkasti þorsks og ýsu 2001-2010 /Discards of cod and haddock in the Icelandic demersal fisheries 2001-2010. Göngur þorsks til og frá friðunarsvæðum norðan Íslands. Lífríki fjörunnar við útfall Reykjanesvirkjunar. Fjölrit nr. 160. 2012.

2011

Karl Gunnarsson , Agnes Eydal , Sólveig R. Ólafsdóttir , Erla Björk Örnólfsdóttir. Svifþörungarnir Mediopyxis helysia og Stephanopyxis turris; Nýjar viðbætur við svifið við Ísland. Í Þættir úr vistfræði sjávar 2010. . Fjölrit Hafrannsóknastofnunarinnar . 2011;158.

Gunnar Steinn Jónsson, Karl Gunnarsson , Pétur Jónasson. Benthic vegetation and invertebrates. Thingvallavatn - A world evolving. 2011.

2010

Halldóra Skarphéðinsdóttir, Karl Gunnarsson , Guðmundur A. Guðmundsson, Erick Nfon. Bioaccumulation and Biomagnification of Organochlorines in a Marine Food Web at a Pristine Site in Iceland. Archives of Environmental Contamination and Toxicology. 2010;58 (3):800-809. https://doi.org/10.1007/s00244-009-9376-x

Guðrún G. Þórarinsdóttir , Larry Jacobson, Stefán Áki Ragnarsson , Elena Guijarro Garcia, Karl Gunnarsson . Capture efficiency and size selectivity of hydraulic clam dredges used in fishing for ocean quahogs (Arctica islandica): simultaneous estimation in the SELECT model . ICES Journal of Marine Science. 2010;67 (2):345-354. https://doi.org/10.1093/icesjms/fsp236

Guðrún G. Þórarinsdóttir , Karl Gunnarsson . Sæbjúgað brimbútur við strendur Íslands; líffræði og veiðar. Náttúrufræðingurinn. 2010;80:27-32.

2009

Guðrún G. Þórarinsdóttir , Karl Gunnarsson , Erlendur Bogason. Mass mortality of ocean quahog, Arctica islandica, on hard substratum in Lonafjördur, north-eastern Iceland after a storm. Marine Biodiversity Records. 2009;2. https://doi.org/10.1017/S1755267209000736

Karl Gunnarsson , Erlingur Hauksson. Succession and benthic community development in the sublittoral zone at the recent volcanic island, Surtsey, southern Iceland. Surtsey Research. 2009;12:161-166.

2007

Karl Gunnarsson , Ásta Guðmundsdóttir, Ástþór Gíslason , Gísli A. Víkingsson , Hafsteinn G. Guðfinnsson, Héðinn Valdimarsson, Hjálmar Vilhjálmsson, Kristinn Guðmundsson , Ólafur K. Pálsson, Sólveig R. Ólafsdóttir , Sveinn Sveinbjörnsson. Sjór, lífríki og fiskistofnar á olíuleitarsvæðinu við Jan Mayen. 2007.

2005

Karl Gunnarsson . „Taraskógvirnir eru einastu skógvir í Föroyum“. Nátt. 2005;73:29-39.

Ian Tittley, Ruth Nielsen, Karl Gunnarsson . Relationships of algal floras in North Atlantic Islands (Iceland, the Faroes, the Shetlands, the Orkneys). Fróðskaparrit Supplementum. 2005;41:33-52.

2004

Agnes Eydal , Karl Gunnarsson . Svifþörungar í Hvalfirði og skelfiskeitrum. Náttúrufræðingurinn. 2004;73:97-105.

Guðrún G. Þórarinsdóttir , Karl Gunnarsson , Maria Dam. The gametogenic cycle and spawning in Mytilus edulis in the Faroe Islands. Fróðskaparrit . 2004;51:270-279.

2003

Guðrún G. Þórarinsdóttir , Karl Gunnarsson . Reproductive cycles of Mytilus edulis L. on the west and east coasts of Iceland. Polar Research. 2003;22 (2):217-223. https://doi.org/10.3402/polar.v22i2.6456

Karl Gunnarsson . Umhverfisaðstæður, svifþörungar og kræklingur í Mjóafirði / Environment, phytoplankton and mussels in Mjóifjörður, Eastern Iceland. Fjölrit nr. 92. 2003.

2002

Ásgeir Gunnarsson , Karl Gunnarsson . Temperature effects on growth and maturity of butterfish (Pholis gunnellus) in Iceland. 2002;82 (5):903-906. https://doi.org/10.1017/S002531540200632X

Karl Gunnarsson , Sigurður Jónsson. Benthic marine algae of Iceland: revised checklist. Cryptogamie Algologie. 2002;23 (2):131-158.

Gunnar Steinn Jónsson, Karl Gunnarsson , Pétur Jónasson. Gróður og dýralíf á botni. Þingvallavatn - undraheimur í mótun. 2002.

S. Willie-Echeverria, Karl Gunnarsson , M. A. Mateo, J. A Borg, P. Renom, J. Kuo, A. Schanz, F. Hellblom, E. Jackson, G. Pergent. Traditional seagrass knowledge working group. Bulletin of Marine Science. 2002;7 (3):1415-1417.

2001

Guðrún Þórarinsdóttir , Hafsteinn G. Guðfinnsson, Karl Gunnarsson . Sjávarnytjar í Hvalfirði. Fjölrit nr. 84. 2001.

Hafsteinn G. Guðfinnsson, Karl Gunnarsson . Sjór og sjávarnytjar í Héraðsflóa. Fjölrit nr. 82. 2001.

Juliet Brodie, Ruth Nielsen, Karl Gunnarsson . The Bangiophyte species of the Faroe Islands. Fróðskaparrit . 2001;49:25-36.

Ruth Nielsen, Karl Gunnarsson . Seaweeds of the Faroe Islands. An annotated checklist. Fróðskaparrit . 2001;49:45-95.

Susse Wegeberg, Ruth Nielsen, Karl Gunnarsson . Coralline red algae (Corallinales, Rhodophyta) of the Faroe Islands. Fróðskaparrit . 2001;49:37-43.

Jan Sörensen, Grethe Bruntse, Karl Gunnarsson , Ruth Nielsen. List of BIOFAR 2 stations. Fróðskaparrit . 2001;48:61-85.

2000

Sigurður Jónsson, Karl Gunnarsson . Seaweed colonisation at Surtsey, the volcanic island south of Iceland. Surtsey Research. 2000;11:59-68.

Karl Gunnarsson . Benthic marine algal colonisation on the new lava at Heimaey, Vestmannaeyjar archipelago, Southern Iceland. Surtsey Research. 2000;11:69-74.

1999

Tor Eiliv Lein, Grethe Bruntse, Karl Gunnarsson , Ruth Nielsen. Species response to wave exposure in the littoral zone of the Faroe Islands. Fróðskaparritið. 1999;47:181-198.

Tor Eiliv Lein, Grethe Bruntse, Karl Gunnarsson , Ruth Nielsen. New records of benthic marine algae for Norway, with notes on some rare species from the Florø district, western Norway. Sarsia. 1999;84 (1):39-53. https://doi.org/10.1080/00364827.1999.10420450

1998

Karl Gunnarsson , Gunnar Jónsson, Ólafur K. Pálsson. Sjávarnytjar við Ísland. 1998.

1997

Halldóra Skarphéðinsdóttir, Karl Gunnarsson . Lífríki sjávar í Breiðafirði: Yfirlit rannsókna. Fjölrit nr. 63. 1997.

1991

Karl Gunnarsson . Populations de Laminaria hyperborea et Laminaria digitata (Phéophycées) dans la Baie de Breiðifjörður, Islande. Part two.. 1991.

Karl Gunnarsson . Populations de Laminaria hyperborea et Laminaria digitata (Phéophycées) dans la Baie de Breiðifjörður, Islande. Part one.. 1991.

1987

Sigurður Jónsson, Karl Gunnarsson , Jean-Paul Briane. Évolution de la nouvelle flore marine de l'île volcanique de Surtsey, Islande. 1987.

1980

Karl Gunnarsson . Rannsóknir á hrossaþara (Laminaria digitata) á Breiðafirði. 1. Hrossaþari við Fagurey. Fjölrit nr. 6. 1980.

1979

Karl Gunnarsson , Konráð Þórisson. Stórþari á Breiðafirði. Fjölrit nr. 5. 1979.

1978

Sigurður Jónsson, Karl Gunnarsson , Svend-Aage Malmberg. Botnþörungar í sjó við Ísland. Greiningarlykill / Háfadjúp-Snæfellsnes 1971-75. II. Selvogsbanki. 1978.

1977

Karl Gunnarsson , Konráð Þórisson. Áhrif skolpmengunar á fjöruþörunga í nágrenni Reykjavíkur. Fjölrit nr. 3. 1977.

Karl Gunnarsson , Ólafur K. Pálsson, Svend-Aage Malmberg. Þörungar á kóralsetlögum í Arnarfirði / Fæðuöflun fiskseiða við strendur Íslands / Veðráttan og hafið. 1977.