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Havforskningsinstituttet HI Åpne/Lukke hovedmeny
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Mikko Vihtakari

omakuva dive 2419
Forsker
Telefon: 91891316

Marine biologist specialized in climate-ecosystem interactions in the Arctic and numerical ecology.

Arbeidsområde

Arbeidsområde

Marine ecology, climate change, numerical ecology, Greenland halibut, sclerochronology, inorganic geochemistry, scientific diving

Curriculum Vitae

Numeric ecologist and scientific diver working with population ecology and assessment of deep-sea and cartilaginous fish. I have a broad experience in marine biology and have worked with all trophic levels, from primary production to seabirds and sharks. R programming, statistics, data-handling and analyses are my strengths, but I enjoy my work the most out in the field. 

I am the stock coordinator and assessor of Atlantic halibut at IMR. In addition, I am a work-package leader for stock assessment within the deep-sea and cartilaginous fish group.
Publikasjoner

Publikasjoner

Vitenskapelige artikler (NVI)

2025

Sex Influences the Genetic Structure of Greenland Halibut in the North Atlantic

Daniel Estévez-Barcia, Denis Roy, Mikko Juhani Vihtakari
Ecology and Evolution
2025

Sex Influences the Genetic Structure of Greenland Halibut in the North Atlantic

Daniel Estévez-Barcia, Denis Roy, Mikko Vihtakari, Davíð Gíslason, Martin Lindegren, Asbjørn Christensen, Laura Wheeland, Margaret Treble, Julio Úbeda, Adriana Nogueira, Kevin Hedges, Áki Jarl Láruson, Alejandro Mateos Rivera, Geir Dahle, Jon-Ivar Westgaard, Bjarki Elvarsson, Lise Helen Ofstad, Elvar H. Hallfredsson, Ole Thomas Albert, Jesper Boje, Torild Johansen
Ecology and Evolution
2023

Geographic variation in the life history of lane snapper Lutjanus synagris, with new insights from the warm edge of its distribution

Hector Andrade, Mikko Vihtakari, Jorge Santos
Journal of Fish Biology 103 p. 950-964
2023

Population structure discovered in juveniles of Greenland halibut (Reinhardtius hippoglossoides Walbaum, 1792)

Davíð Gíslason, Daniel Estévez-Barcia, Sæmundur Sveinsson, Agneta Hansen, Denis Roy, Margaret Treble, Jesper Boje, Mikko Vihtakari, Bjarki Þór Elvarsson, Kevin Hedges, Elvar Halldor Hallfredsson, Torild Johansen
ICES Journal of Marine Science 80 p. 889-896
2023

Tidewater glaciers as “climate refugia” for zooplankton-dependent food web in Kongsfjorden, Svalbard

Haakon Hop, Anette Wold, Mikko Vihtakari, Philipp Assmy, Piotr Kuklinski, Slawomir Kwasniewski, Gary Griffith, Olga Pavlova, Pedro Duarte, Harald Steen
Frontiers in Marine Science 10
2023

Using multivariate autoregressive state-space models to examine stock structure of Greenland halibut in the North Atlantic

J. Úbeda, A. Nogueira, N. Tolimieri, Mikko Vihtakari, B. Elvarsson, M. Treble, J. Boje
Fisheries Management and Ecology
2022

Consequences of Atlantification on a Zooplanktivorous Arctic Seabird

Sebastien Descamps, Katarzyna Wojczulanis-Jakubas, Dariusz Jakubas, Mikko Vihtakari, Harald Steen, Nina J. Karnovsky, Jorg Welcker, Johanna Emilia Heidi Hovinen, Philip Bertrand, Agnieszka Strzelewicz, Ragnheid Skogseth, Dorota Kidawa, Rafał Boehnke, Katarzyna Błachowiak-Samołyk
Frontiers in Marine Science 9
2022

Migration patterns of Greenland halibut in the North Atlantic revealed by a compiled mark-recapture dataset

Mikko Vihtakari, Bjarki Pór Elvarsson, Margaret Treble, Adriana Nogueira, Kevin Hedges, Nigel E. Hussey, Laura Wheeland, Denis Roy, Lise Helen Ofstad, Elvar Halldor Hallfredsson, Amanda Barkley, Daniel Estevez-Barcia, Rasmus Nygaard, Brian Healey, Petur Steingrund, Torild Johansen, Ole Thomas Albert, Jesper Boje
ICES Journal of Marine Science 79 p. 1902-1917
2021

Feeding at the front line: Interannual variation in the use of glacier fronts by foraging black-legged kittiwakes

Philip Bertrand, Hallvard Strøm, Joël Bêty, Harald Steen, Jack Kohler, Mikko Vihtakari, Ward Van Pelt, Nigel Gilles Yoccoz, Haakon Hop, Stephanie M. Harris, Samantha C. Patrick, Philipp Assmy, Anette Wold, Pedro Duarte, Geir Moholdt, Sébastien Descamps
Marine Ecology Progress Series 677 p. 197-208
2021

Ice-Associated Amphipods in a Pan-Arctic Scenario of Declining Sea Ice

Haakon Hop, Mikko Vihtakari, Bodil Bluhm, Malin Daase, Rolf Gradinger, Igor A. Melnikov
Frontiers in Marine Science 8 p. 1-16
2021

Pan-Arctic suitable habitat model for Greenland halibut

Mikko Vihtakari, Robinson Hordoir, Margret A Treble, Meaghan D. Bryan, Bjarki Elvarsson, Adriana Nogueira, Elvar H Hallfredsson, Jørgen Schou Christiansen, Ole Thomas Albert
ICES Journal of Marine Science 78 p. 1340-1356
2020

Changes in Sea-Ice Protist Diversity With Declining Sea Ice in the Arctic Ocean From the 1980s to 2010s

Haakon Hop, Mikko Vihtakari, Bodil Bluhm, Philipp Assmy, Michel Poulin, Rolf Gradinger, Ilka Peeken, Cecilie von Quillfeldt, Lasse Mork Olsen, Ludmila Zhitina, Igor A. Melnikov
Frontiers in Marine Science 7
2020

Diet and trophic structure of fishes in the Barents Sea: the Norwegian-Russian program “Year of stomachs” 2015 - establishing a baseline

Elena Eriksen, Aleksander N. Benzik, Andrey V. Dolgov, Hein Rune Skjoldal, Mikko Juhani Vihtakari, Edda Johannesen, Tatiana Prokhorova, Felicia Juanita Keulder-Stenevik, Irina Prokopchuk, Espen Strand
Progress in Oceanography 183
2019

Pelagic ecosystem characteristics across the Atlantic water boundary current from Rijpfjorden, Svalbard, to the Arctic ocean during summer (2010-2014)

Haakon Hop, Philipp Assmy, Anette Wold, Arild Sundfjord, Malin Daase, Pedro Duarte, Slawomir Kwasniewski, Marta Gluchowska, Józef Maria Wiktor, Agnieszka Tatarek, Józef Maria Jr. Wiktor, Svein Kristiansen, Agneta Ingrid Fransson, Melissa Chierici, Mikko Vihtakari
Frontiers in Marine Science 6
2019

Tidewater glaciers and bedrock characteristics control the phytoplankton growth environment in a fjord in the Arctic

Laura Halbach, Mikko Vihtakari, Pedro Duarte, Alistair Everett, Mats Granskog, Haakon Hop, Hanna Maria Kauko, Svein Kristiansen, Per Inge Myhre, Alexey K. Pavlov, Ankit Pramanik, Agnieszka Tatarek, Tomas Torsvik, Józef Maria Wiktor, Anette Wold, Angela Wulff, Harald Steen, Philipp Assmy
Frontiers in Marine Science 6
2019

Ecological resilience of Arctic marine food webs to climate change

Gary Griffith, Haakon Hop, Mikko Vihtakari, Anette Wold, Kjersti Kalhagen, Geir W. Gabrielsen
Nature Climate Change 9 p. 868-872
2019

Zooplankton in Kongsfjorden (1996–2016) in Relation to Climate Change

Haakon Hop, Anette Wold, Mikko Juhani Vihtakari, Malin Daase, Sławomir Kwaśniewski, Marta Gluchowska, Silke Lischka, Friedrich Buchholz, Stig Falk‑Petersen
Advances in Polar Ecology
2018

Black-legged kittiwakes as messengers of Atlantification in the Arctic

Mikko Vihtakari, Jorg Welcker, Børge Moe, Olivier Chastel, Sabrina Tartu, Haakon Hop, Claus Bech, Sébastien Descamps, Geir W. Gabrielsen
Scientific Reports 8
2018

Sea ice meiofauna distribution on local to pan-Arctic scales

Bodil Bluhm, Haakon Hop, Mikko Vihtakari, Rolf Gradinger, Katrin Iken, Igor A. Melnikov, Janne Søreide
Ecology and Evolution 8 p. 2350-2364
2018

Sea ice biota: Excerpts from the State of the Arctic Marine Biodiversity Report by the Sea Ice Biota Expert Network/CBMP

Haakon Hop, Bodil Bluhm, Igor A. Melnikov, Michel Poulin, Mikko Vihtakari, Eric Collins, Rolf Gradinger, Thomas Juul-Pedersen, Cecilie von Quillfeldt
PeerJ Preprints
2017

A key to the past? Element ratios as environmental proxies in two Arctic bivalves

Mikko Vihtakari, William G. Jr. Ambrose, Paul Renaud, William L. Locke V., Michael Leslie Carroll, Jørgen Berge, Leon J. Clarke, Finlo Robert Cottier, Haakon Hop
Palaeogeography, Palaeoclimatology, Palaeoecology 465 p. 316-332
2016

Decoding the oxygen isotope signal for seasonal growth patterns in Arctic bivalves

Mikko Vihtakari, Paul Renaud, Leon J. Clarke, Martin J. Whitehouse, Haakon Hop, Michael Leslie Carroll, William Ambrose
Palaeogeography, Palaeoclimatology, Palaeoecology 446 p. 263-283
2016

Variable individual- and population- level responses to ocean acidification

Mikko Vihtakari, Jon Havenhand, Paul Renaud, Iris E. Hendriks
Frontiers in Marine Science 3
2013

Effects of Ocean Acidification and Warming on Sperm Activity and Early Life Stages of the Mediterranean Mussel (Mytilus galloprovincialis)

Mikko Vihtakari, Iris E. Hendriks, Johnna Holding, Paul Renaud, Carlos M. Duarte, Jon N. Havenhand
Water 5 p. 1890-1915
2012

The amphipod scavenging guild in two Arctic fjords: seasonal variations, abundance and trophic interactions

Henrik Andreas Nygård, Jørgen Berge, Janne Søreide, Mikko Vihtakari, Stig Falk-Petersen
Aquatic Biology 14 p. 247-264
2009

Life history of Onisimus caricus (Amphipoda: Lysianassoidea) in a high Arctic fjord

Henrik Andreas Nygård, Mikko Vihtakari, Jørgen Berge
Aquatic Biology 5 p. 63-74

Faglige foredrag

2018

Sea ice – State of the Arctic Marine Biodiversity.

Cecilie von Quillfeldt, Haakon Hop, Mikko Vihtakari, Bodil Bluhm, Igor A. Melnikov, Michel Poulin
2018

Exploring life-cycle adaptations in a declining sea-ice environment: are sympagic amphipods truly sympagic?

Erin Kunisch, Magnus Drivdal, Jørgen Berge, Bodil Bluhm, Malin Daase, Rolf Gradinger, Igor A. Melnikov, Øystein Varpe, Mikko Vihtakari
2018

Sea ice – State of the Arctic Marine Biodiversity.

Haakon Hop, Mikko Vihtakari, Bodil Bluhm, E- Collaboration et. al.

Poster

2018

Sea ice Biota on a pan-Arctic scale: Status and Trends – findings from the State of the Arctic Marine Biodiversity Report.

Bodil Bluhm, Haakon Hop, Igor A. Melnikov, Michel Poulin, Mikko Vihtakari, Eric Collins, Rolf Gradinger, Thomas Juul-Petersen, Cecilie von Quillfeldt
2017

Pan-Arctic distribution of the sympagic amphipod Apherusa glacialis elucidates life-cycle characteristics

Erin Kunisch, Bodil Bluhm, Rolf Gradinger, Haakon Hop, Øystein Varpe, Jørgen Berge, Malin Daase, Igor Melnikov, Mikko Vihtakari

Rapporter og avhandlinger

2024

Kveite (Hippoglossus hippoglossus) i Norsk økonomisk sone (ICES-områder 1-4)

Erik Berg, Mikko Vihtakari, Fabian Zimmermann
Rapport fra havforskningen
2024

Advice on fishing opportunities for Northeast Arctic cod in 2025 in ICES subareas 1 and 2

Daniel Howell, Anders Nielsen, Brian Stock, Ono Kotaro, Laura Clain, Maria Fossheim, Thomas de Lange Wenneck, Alf Harbitz, Alfonso Perez-Rodriguez, Ane Iriondo, Arved Staby, Bjarte Bogstad, Berengere Husson, C. Tara Marshall, Caroline Aas Tranang, Edda Johannesen, Eduardas Vozgirdas, Elena Eriksen, Elise Eidset, Elvar Halldor Hallfredsson, Erik Berg, Georg Skaret, Hannes Höffle, Jan Arge Jacobsen, Jan Erik Stiansen, Jane Aanestad Godiksen, Johanna Jennifer Elisabeth Fall, John Tyler Trochta, Jon Ruiz Gondra, José Miguel Casas Sanchez, Kjell Harald Nedreaas, Kordian Trella, Kristin Windsland, Magnus Aune, Matthias Bernreuther, Mikko Vihtakari, Olav Nikolai Breivik, Ricardo Alpoim, Ross Tallman, Samuel Subbey, Silje Elisabeth Seim, Sofie Gundersen, Sondre Nedreås Hølleland, Stine Karlson, Tone Vollen
IMR/PINRO Joint Report Series
2024

Bestandsvurdering av kveite (Hippoglossus hippoglossus) i Norsk økonomisk sone (ICES-områder 1-4) i 2024

Fabian Zimmermann, Erik Berg, Torfinn Erling Larsen, Mikko Vihtakari
Rapport fra havforskningen
2024

Advice on fishing opportunities for Greenland halibut in 2025 and 2026 in ICES subareas 1 and 2

Daniel Howell, Anders Nielsen, Brian Stock, Ono Kotaro, Laura Clain, Maria Fossheim, Thomas de Lange Wenneck, Alf Harbitz, Alfonso Perez-Rodriguez, Ane Iriondo, Arved Staby, Bjarte Bogstad, Berengere Husson, C. Tara Marshall, Caroline Aas Tranang, Edda Johannesen, Eduardas Vozgirdas, Elena Eriksen, Elvar H. Hallfredsson, Erik Berg, Georg Skaret, Hannes Höffle, Jan Arge Jacobsen, Jane Aanestad Godiksen, Johanna Jennifer Elisabeth Fall, John Tyler Trochta, Jon Ruiz Gondra, José Miguel Casas Sanchez, Kjell Harald Nedreaas, Kordian Trella, Kristin Windsland, Magnus Aune, Matthias Bernreuther, Mikko Vihtakari, Olav Nikolai Breivik, Ricardo Alpoim, Ross Tallman, Samuel Subbey, Silje Elisabeth Seim, Sofie Gundersen, Sondre Nedreås Hølleland, Stine Karlson, Tone Vollen
IMR/PINRO Joint Report Series
2024

Joint Russian Norwegian Arctic Fisheries Working Group (JRN-AFWG) Report 2024

Daniel Howell, Magnus Aune, Bjarte Bogstad, Anatoly Chetyrkin, Johanna Jennifer Elisabeth Fall, Anatoly Filin, Jane Aanestad Godiksen, Elvar Halldor Hallfredsson, Edda Johannesen, Yuri Kovalev, Andrey Mikhailov, Alexey Russkikh, Aleksi Stesko, Dmitri Vasilyev, Mikko Vihtakari, Tone Vollen, Kristin Windsland, Natalia A. Yaragina
IMR/PINRO Joint Report Series
2024

Advice on fishing opportunities for Northeast Arctic haddock in 2025 in ICES subareas 1 and 2

Daniel Howell, Anders Nielsen, Brian Stock, Kotaro Ono, Laura Clain, Maria Fossheim, Thomas de Lange Wenneck, Alf Harbitz, Alfonso Perez-Rodriguez, Ane Iriondo, Arved Staby, Bjarte Bogstad, Berengere Husson, C. Tara Marshall, Caroline Aas Tranang, Edda Johannesen, Eduardas Vozgirdas, Elena Eriksen, Elise Eidset, Elvar Halldor Hallfredsson, Erik Berg, Georg Skaret, Hannes Höffle, Jan Arge Jacobsen, Jan Erik Stiansen, Jane Aanestad Godiksen, Johanna Jennifer Elisabeth Fall, John Tyler Trochta, Jon Ruiz Gondra, José Miguel Casas Sanchez, Kjell Harald Nedreaas, Kordian Trella, Kristin Windsland, Magnus Aune, Matthias Bernreuther, Mikko Vihtakari, Olav Nikolai Breivik, Ricardo Alpoim, Ross Tallman, Samuel Subbey, Silje Elisabeth Seim, Sofie Gundersen, Sondre Nedreås Hølleland, Stine Karlson, Tone Vollen
IMR/PINRO Joint Report Series
2024

Advice on fishing opportunities for beaked redfish in 2025 and 2026 in ICES subareas 1 and 2

Daniel Howell, Anders Nielsen, Brian Stock, Kotaro Ono, Laura Clain, Maria Fossheim, Thomas de Lange Wenneck, Alf Harbitz, Alfonso Perez-Rodriguez, Ane Iriondo, Arved Staby, Bjarte Bogstad, Berengere Husson, C. Tara Marshall, Caroline Aas Tranang, Edda Johannesen, Eduardas Vozgirdas, Elena Eriksen, Elise Eidset, Elvar H. Hallfredsson, Erik Berg, Georg Skaret, Hannes Höffle, Jan Arge Jacobsen, Jan Erik Stiansen, Jane Aanestad Godiksen, Johanna Jennifer Elisabeth Fall, John Tyler Trochta, Jon Ruiz Gondra, José Miguel Casas Sanchez, Kjell Harald Nedreaas, Kordian Trella, Kristin Windsland, Magnus Aune, Matthias Bernreuther, Mikko Vihtakari, Olav Nikolai Breivik, Ricardo Alpoim, Ross Tallman, Samuel Subbey, Silje Elisabeth Seim, Sofie Gundersen, Sondre Nedreås Hølleland, Stine Karlson, Tone Vollen
IMR/PINRO Joint Report Series
2023

Advice on fishing opportunities for Barents Sea capelin in 2024 — ICES subareas 1 and 2 excluding Division 2.a west of 5°W

Daniel Howell, Anders Nielsen, Brian Stock, Kotaro Ono, Laura Clain, Maria Fossheim, Thomas de Lange Wenneck, Alf Harbitz, Alfonso Pérez Rodriguez, Ane Iriondo, Arved Staby, Bjarte Bogstad, Berengere Husson, C. Tara Marshall, Caroline Aas Tranang, Edda Johannesen, Eduardas Vozgirdas, Elena Eriksen, Elise Eidset, Elvar H. Hallfredsson, Erik Berg, Georg Skaret, Hannes Höffle, Jan Arge Jacobsen, Jan Erik Stiansen, Jane Aanestad Godiksen, Jerzy Janusz, Johanna Jennifer Elisabeth Fall, John Tyler Trochta, Jon Ruiz Gondra, José Miguel Casas Sanchez, Kjell Harald Nedreaas, Kordian Trella, Kristin Windsland, Matthias Bernreuther, Mikko Vihtakari, Olav Nikolai Breivik, Ricardo Alpoim, Ross Tallman, Samuel Subbey, Silje Elisabeth Seim, Sofie Gundersen, Sondre Nedreås Hølleland, Stine Karlson, Tone Vollen
IMR/PINRO Joint Report Series
2023

Report of the Joint Russian-Norwegian Working Group on Arctic Fisheries (JRN-AFWG) 2023

Daniel Howell, Bjarte Bogstad, Anatoly Chetyrkin, Johanna Jennifer Elisabeth Fall, Anatoly Filin, Elvar Halldor Hallfredsson, Hannes Höffle, Edda Johannesen, Yuri Kovalev, Andrey Mikhailov, Alexey Russkikh, Aleksi Stesko, Dmitri Vasilyev, Mikko Vihtakari, Kristin Windsland, Natalya Yaragina
IMR/PINRO Joint Report Series
2023

Advice on fishing opportunities for Northeast arctic haddock in 2024 in ICES subareas 1 and 2

Daniel Howell, Bjarte Bogstad, Anatoly Chetyrkin, Johanna Jennifer Elisabeth Fall, Anatoly Filin, Elvar Halldor Hallfredsson, Hannes Höffle, Edda Johannesen, Yuri Kovalev, Andrey Mikhailov, Alexey Russkikh, Aleksi Stesko, Dmitri Vasilyev, Mikko Vihtakari, Kristin Windsland, Natalya Yaragina
IMR/PINRO Joint Report Series
2023

Advice on fishing opportunities for Northeast Arctic cod in 2024 in ICES subareas 1 and 2

Daniel Howell, Bjarte Bogstad, Anatoly Chetyrkin, Johanna Jennifer Elisabeth Fall, Anatoly Filin, Elvar Halldor Hallfredsson, Hannes Höffle, Edda Johannesen, Yuri Kovalev, Andrey Mikhailov, Alexey Russkikh, Aleksi Stesko, Dmitri Vasilyev, Mikko Vihtakari, Kristin Windsland, Natalya Yaragina
IMR/PINRO Joint Report Series
2023

Advice on fishing opportunities for Greenland halibut in 2024 in ICES subareas 1 and 2

Daniel Howell, Bjarte Bogstad, Anatoly Chetyrkin, Johanna Jennifer Elisabeth Fall, Anatoly Filin, Elvar Halldor Hallfredsson, Hannes Höffle, Edda Johannesen, Yuri Kovalev, Andrey Mikhailov, Alexey Russkikh, Aleksi Stesko, Dmitri Vasilyev, Mikko Vihtakari, Kristin Windsland, Natalya Yaragina
IMR/PINRO Joint Report Series
2022

Seasonal cruise Q2 2021: Cruise Report

Martin Ludvigsen, Philipp Assmy, Matthew James Samuel Adams, Marti A. Arumi, Tore Mo-Bjørkelund, Yasemin V. Bodur, Jens Einar Bremnes, Snorre Flo, Christine Gawinski, Julia Giebichtenstein, Elisabeth Halvorsen, Maja K Viddal Hatlebakk, Silvia Hess, Haakon Hop, Polona Itkin, Elizabeth Marie Jones, Konrad Karlsson, Amalie Keck, Doreen Kohlbach, Stephen Gustav Kohler, Rupert Krapp, Peter Leopold, Miriam Marquardt, Eric Jorda Molina, Robynne Nowicki, Lasse Mork Olsen, Griselda Anglada Ortiz, Tristan Petit, Thaise Ricardo de Freitas, Karoline Saubrekka, Arunima Sen, Adam Steer, Natalie Summers, Stefan Thiele, Helene Thorstensen, Mikko Vihtakari
2021

Arctic Fisheries Working Group (AFWG). ICES Scientific Reports 3:58.

Daniel Howell, Jane Aanestad Godiksen, Erik Berg, Mattias Bernreuther, Bjarte Bogstad, Jose Miguel Casas, Thomas de Lange Wenneck, Elena Eriksen, Johanna Jennifer Elisabeth Fall, Anatoly A. Filin, Harald Gjøsæter, Elvar H. Hallfredsson, Hannes Höffle, Edda Johannesen, Yuri A. Kovalev, Kjell Harald Nedreaas, Holly Ann Perryman, Dmitry Prozorkevitch, Alexey A. Russkikh, Silje Elisabeth Seim, Arved Staby, Ross Tallman, Mikko Vihtakari, Tone Vollen, Kristin Windsland, Natalia A. Yaragina
2017

3.1 Sea Ice Biota. In State of the Arctic Marine Biodiversity Report

Bodil Bluhm, Haakon Hop, Igor A. Melnikov, Michel Poulin, Mikko Vihtakari, R Eric Collins, Rolf Gradinger, Thomas Juul-Pedersen, Cecilie von Quillfeldt
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