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Kjell Magnus Norderhaug

KMN   low
Researcher
Telephone: 41440922
Department: Bunnsamfunn

My main field of interest is dynamics of benthic coastal ecosystems with particular focus on kelp forest ecology and trophic interactions. I have long experience with environmental monitoring, with particular focus on ecological effects from eutrophication and climate change. Through my work I have coordinated national and international research and monitoring projects. I have conducted field work and cruises, using diving as a scientific tool all along the Norwegian coast. I have long experience with communicating science to the management, society and for educational purposes from an ecosystem perspective.

Publications

Academic articles

2022

Leveraging the blue economy to transform marine forest restoration

Karen Filbee-Dexter, Thomas Wernberg, Rodolfo Barreiro, Melinda A. Coleman, Thibaut de Bettignies, Colette J. Feehan, Joao N. Franco, Berit Hasler, Ines Louro, Kjell Magnus Norderhaug, Peter A. U. Staehr, Fernando Tuya, Jan Verbeek
Journal of Phycology 58 p. 198-207
2022

Kelp carbon sink potential decreases with warming due to accelerating decomposition

Karen Filbee-Dexter, Colette J. Feehan, Dan A. Smale, Kira A. Krumhansl, Skye Augustine, Florian de Bettignies, Michael T. Burrows, Jarrett E.K. Byrnes, Jillian Campbell, Dominique Davoult, Kenneth H. Dunton, Joao N. Franco, Ignacio Garrido, Sean P. Grace, Kasper Hancke, Ladd E. Johnson, Brenda Konar, Pippa J. Moore, Kjell Magnus Norderhaug, Alasdair O'Dell, Morten F. Pedersen, Anne K. Salomon, Isabel Sousa-Pinto, Scott Tiegs, Dara Yiu, Thomas Wernberg
PLoS Biology 20
2022

Efficient spatial kelp biomass estimations using acoustic methods

Kyrre Heldal Kartveit, Karen Filbee-Dexter, Henning Steen, Lene Christensen, Kjell Magnus Norderhaug
Frontiers in Marine Science 9
2021

Niche and neutral assembly mechanisms contribute to latitudinal diversity gradients in reef fishes

Nestor E. Bosch, Thomas Wernberg, Tim J. Langlois, Dan A Smale, Pippa J. Moore, João N Franco, Pierre Thiriet, Eric Feunteun, Cláudia Ribeiro, Pedro Neves, Rui Freitas, Karen Filbee-Dexter, Kjell Magnus Norderhaug, Alvaro Garcıa, Francisco Otero-Ferrer, Fernando Espino, Ricardo Haroun, Natali Lazzari, Fernando Tuya
Journal of Biogeography 48 p. 2683-2698
2021

Homogenization and miniaturization of habitat structure in temperate marine forests

Albert Pessarrodona, Karen Filbee-Dexter, Teresa Alcoverro, Jordi Boada, Colette J. Feehan, Stein Fredriksen, Sean P. Grace, Yohei Nakamura, Carla A. Narvaez, Kjell Magnus Norderhaug, Thomas Wernberg
Global Change Biology
2021

Large-scale salmon farming in Norway impacts the epiphytic community of Laminaria hyperborea

Barbro Taraldset Haugland, Caroline S. Armitage, Tina Kutti, Vivian Husa, Morten D. Skogen, Trine Bekkby, Marcos A. Carvajalino-Fernández, Raymond J. Bannister, Camille Anna White, Kjell Magnus Norderhaug, Stein Fredriksen
Aquaculture Environment Interactions 13 p. 81-100
2020

Ecosystem-level effects of large-scale disturbance in kelp forests

KM Norderhaug, K Filbee-Dexter, Carla Freitas, Sten Richard Birkely, Lene Christensen, Ida Kristin Mellerud, Jonas Thormar, Thijs Christiaan van Son, Frithjof Emil Moy, M. Vázquez Alonso, Henning Steen
Marine Ecology Progress Series 656 p. 163-180
2020

Depletion of coastal predatory fish sub-stocks coincided with the largest sea urchin grazing event observed in the NE Atlantic

Kjell Magnus Norderhaug, Kjell Harald Nedreaas, Mats Huserbråten, Even Moland
Ambio 50 p. 163-173
2020

Marine heatwaves and the collaps of marginal North Atlantic kelp forests

Karen Filbee-Dexter, Thomas Wernberg, S.P. Grace, Jonas Thormar, Stein Fredriksen, C.N. Narvaez, C.J. Feehan, Kjell Magnus Norderhaug
Scientific Reports 10
2020

Green gravel: a novel restoration tool to combat kelp forests decline

Stein Fredriksen, Karen Filbee-Dexter, Kjell Magnus Norderhaug, Henning Steen, Torjan Bodvin, Melinda A. Coleman, Frithjof Emil Moy, Thomas Wernberg
Scientific Reports 10 p. 1-7
2020

Sharing the neighbourhood: assessing the impact of kelp harvest on foraging behaviour of the European shag

Signe Christensen-Dalsgaard, Jenny Mattisson, Kjell Magnus Norderhaug, Svein Håkon Lorentsen
Marine Biology 167
2020

Achieving Reliable Estimates of the Spatial Distribution of Kelp Biomass

Thijs Christiaan van Son, Nikolaos Nikolioudakis, Henning Steen, Jon Albretsen, Birgitte Rugaard Furevik, Sigrid Elvenes, Frithjof Moy, Kjell Magnus Norderhaug
Frontiers in Marine Science 7
2020

Detrital carbon production and export in high latitude kelp forests

Morten Foldager Pedersen, Karen Filbee-Dexter, Kjell Magnus Norderhaug, Stein Fredriksen, Nicolai Lond Frisk, Camilla With Fagerli, Thomas Wernberg
Oecologia 192 p. 227-239
2020

Kelp-carbon uptake by Arctic deep-sea food webs plays a noticeable role in maintaining ecosystem structural and functional traits

Daniel Vilas, Marta Coll, Torstein Pedersen, Xavier Corrales, Karen Filbee-Dexter, Morten Foldager Pedersen, Kjell Magnus Norderhaug, Stein Fredriksen, Thomas Wernberg, Eva Ramirez-Llodra
Journal of Marine Systems 203 p. 1-15
2020

Carbon export is facilitated by sea urchins transforming kelp detritus

Karen Filbee-Dexter, Morten Foldager Pedersen, Stein Fredriksen, Kjell Magnus Norderhaug, Eli Rinde, Trond Kristiansen, Jon Albretsen, Thomas Wernberg
Oecologia 192 p. 213-225
2019

Toward a coordinated global observing system for seagrasses and marine macroalgae

J. Emmett Duffy, Lisandro Benedetti-Cecchi, Joaquin A. Trinanes, Frank E. Muller-Karger, Rohani Ambo-Rappe, Christoffer Boström, Alejandro H. Buschmann, Jarrett E. Byrnes, Robert G. Coles, Joel Creed, Leanne C. Cullen-Unsworth, Guillermo Diaz-Pulido, Carlos M. Duarte, Graham J. Edgar, Miguel D. Fortes, Gustavo J. Goni, Chuanmin Hu, Xiaoping Huang, Catriona L. Hurd, Craig Johnson, Brenda Konar, Dorte Krause-Jensen, Kira A. Krumhansl, Peter I. Macreadie, Helene Marsh, Len J. McKenzie, Nova Mieszkowska, Patricia Miloslavich, Enrique Montes, Masahiro Nakaoka, Kjell Magnus Norderhaug, Lina M. Norlund, Robert J. Orth, Anchana Prathep, Nathan F. Putman, Jimena Samper-Villarreal, Ester A. Serrão, Frederick Short, Isabel Sousa Pinto, Peter Steinberg, Rick Stuart-Smith, Richard K.F. Unsworth, Mike van Keulen, Brigitta I. van Tussenbroek, Mengqiu Wang, Michelle Waycott, Lauren V. Weatherdon, Thomas Wernberg, Siti Maryam Yaakub
Frontiers in Marine Science 6:317 p. 1-26
2019

Arctic kelp forests: Diversity, resilience and future

Karen Filbee-Dexter, Thomas Wernberg, Stein Fredriksen, Kjell Magnus Norderhaug, Morten Foldager Pedersen
Global and Planetary Change 172 p. 1-14
2019

Can multitrophic interactions and ocean warming influence large-scale kelp recovery?

Hartvig Christie, Hege Gundersen, Eli Rinde, Karen Filbee-Dexter, Kjell Magnus Norderhaug, Torstein Pedersen, Trine Bekkby, Janne K Gitmark, Camilla W Fagerli
Ecology and Evolution 9 p. 2847-2862
2019

Can sea urchin grazing of kelp forests in the Arctic make rocky shore systems more vulnerable to oil spills?

Hartvig Christie, Trine Bekkby, Kjell Magnus Norderhaug, Jonny Beyer, Nina Mari Jørgensen
Polar Biology 42 p. 557-567
2018

Soft bottom benthos and responses to climate variation and eutrophication in Skagerrak

Hilde Cecilie Trannum, Hege Gundersen, Eivind Oug, Brage Rygg, Kjell Magnus Norderhaug
Journal of Sea Research 141 p. 83-98
2018

Movement of pulsed resource subsidies from kelp forests to deep fjords

Karen Filbee-Dexter, Thomas Wernberg, Kjell Magnus Norderhaug, Eva Ramirez-Llodra, Morten Foldager Pedersen
Oecologia 187 p. 291-304
2018

Will altered climate affect a discrete population of the sea urchin Strongylocentrotus droebachiensis?

Fredrik Oulie Nyhagen, Hartvig Christie, Kjell Magnus Norderhaug
Journal of Sea Research 132 p. 24-34
2018

Will altered climate affect a discrete population of the sea urchin Strongylocentrotus droebachiensis?

Nyhagen F, Christie H, Norderhaug KM
Journal of Sea Research 132 p. 24–34
2016

A snap shot of the short-term response of crustaceans to macrophyte detritus in the deep Oslofjord

Eva Ramirez-Llodra, Eli Rinde, Hege Gundersen, Hartvig Christie, Camilla With Fagerli, Stein Fredriksen, Janne Kim Gitmark, Karl Norling, Mats Gunnar Walday, Kjell Magnus Norderhaug
Scientific Reports 6
2016

Genetic diversity of the NE Atlantic sea urchin Strongylocentrotus droebachiensis unveils chaotic genetic patchiness possibly linked to local selective pressure

K. M. Norderhaug, M. B. Angles d'Auriac, C. W. Fagerli, H. Gundersen, H. Christie, K. Dahl, A. Hobæk
Marine Biology 163
2016

Status, trends and drivers of kelp forests in Europe: an expert assessment

Rita M. dos Santos Fernandes de Araújo, Jorge Assis, Ricardo Aguillar, Laura Airoldi, Ignacio Bárbara, Inka Bartsch, Trine Bekkby, Hartvig C Christie, Dominique Davoult, Sandrine Derrien-Courtel, Consolación Fernández, Stein Fredriksen, Francois Gevaert, Hege Gundersen, Aodren Le Gal, Laurent Lévêque, Nova Mieszkowska, Kjell Magnus Norderhaug, Pedro Oliveira, Araceli Puente, José M. Rico, Eli Rinde, Hendrik Schubert, Elisabeth M.A. Strain, Myriam Valero, Frédérique Viard, Isabel Sousa-Pinto
Biodiversity and Conservation 25 p. 1319-1348
2016

Global patterns of kelp forest change over the past half-century

Kira A. Krumhansl, Daniel K. Okamoto, Andrew Rassweiler, Mark Novak, John J. Bolton, Kyle C. Cavanaugh, Sean D. Connell, Craig R. Johnson, Brenda Konar, Scott D. Ling, Fiorenza Micheli, Kjell M Norderhaug, Alejandro Pérez-Matus, Isabel Sousa-Pinto, Daniel C. Reed, Anne K. Salomon, Nick T. Shears, Thomas Wernberg, Robert J. Anderson, Nevell S. Barrett, Alejandro H. Buschmann, Mark H. Carr, Jennifer E. Caselle, Sandrine Derrien-Courtel, Graham J. Edgar, Matt Edwards, James A. Estes, Claire Goodwin, Michael C. Kenner, David J. Kushner, Frithjof E Moy, Julia Nunn, Robert S. Steneck, Julio Vásquez, Jane Watson, Jon D. Witman, Jarrett E. K. Byrnes
Proceedings of the National Academy of Sciences of the United States of America 113 p. 13785-13790
2015

Effects of climate and eutrophication on the diversity of hard bottom communities on the Skagerrak coast 1990-2010

Kjell Magnus Norderhaug, Hege Gundersen, Are Pedersen, Frithjof Emil Moy, Norman Whitaker Green, Mats Gunnar Walday, Janne Kim Gitmark, Anna Birgitta Ledang, Birger Bjerkeng, Dag Øystein Hjermann, Hilde Cecilie Trannum
Marine Ecology Progress Series 530 p. 29-46
2015

Population dynamics of Strongylocentrotus droebachiensis in kelp forests and barren grounds in Norway

Camilla With Fagerli, Sandra Gran Stadniczenko, Morten Foldager Pedersen, Hartvig C Christie, Stein Fredriksen, Kjell Magnus Norderhaug
Marine Biology 162 p. 1215-1226
2015

Global regime shift dynamics of catastrophic sea urchin overgrazing

Scott D. Ling, Robert E. Scheibling, Andrew Rassweiler, Craig R. Johnson, Nick T. Shears, Sean D. Connell, Anne K. Salomon, Kjell Magnus Norderhaug, Alejandro Pérez-Matus, José Carlos Hernández, Sabrina Clemente, Laura K. Blamey, Bernat Hereu, Enric Ballesteros, Enric Sala, Joaquim Garrabou, Emma Cebrian, Mikel S. Zabala, Daisuke Fujita, Ladd Erik Johnson
Philosophical Transactions of the Royal Society of London. Biological Sciences 370 p. 1-10
2015

Red sea urchins (Echinus esculentus) and water flow influence epiphytic macroalgae density

Trine Bekkby, Gro Angeltveit, Hege Gundersen, Lise Ann Tveiten, Kjell Magnus Norderhaug
Marine Biology Research 11 p. 375-384
2014

New microsatellite loci for the green sea urchin Strongylocentrotus droebachiensis using universal M13 labelled markers

Marc Angles d'Auriac, Anders Hobæk, Hartvig C Christie, Hege Gundersen, Camilla With Fagerli, Johannes Haugstetter, Kjell Magnus Norderhaug
BMC Research Notes 7
2014

Predators of the destructive sea urchin grazer Strongylocentrotus droebachiensis on the Norwegian coast

Camilla With Fagerli, Kjell Magnus Norderhaug, Hartvig C Christie, Morten Foldager Pedersen, Stein Fredriksen
Marine Ecology Progress Series 502 p. 207-218
2014

The influence of physical factors on kelp and sea urchin distribution in previously and still grazed areas in the NE Atlantic

Eli Rinde, Hartvig C Christie, Camilla With Fagerli, Trine Bekkby, Hege Gundersen, Kjell Magnus Norderhaug, Dag Øystein Hjermann
PLOS ONE 9
2014

Importance of wave and current exposure to fauna communities in Laminaria hyperborea kelp forest

Kjell Magnus Norderhaug, Hartvig C Christie, Eli Rinde, Hege Gundersen, Trine Bekkby
Marine Ecology Progress Series 502 p. 295-301
2014

Length, strength and water flow: relative importance of wave and current exposure on morphology in kelp Laminaria hyperborea

Trine Bekkby, Eli Rinde, Hege Gundersen, Kjell Magnus Norderhaug, Janne Kim Gitmark, Hartvig C Christie
Marine Ecology Progress Series 506 p. 61-70
2014

Comparing the ecological relevance of four wave exposure models

Göran Sundblad, Trine Bekkby, Martin Isæus, Anna Nikolopoulos, Kjell Magnus Norderhaug, Eli Rinde
Estuarine, Coastal and Shelf Science 140 p. 7-13
2013

Lack of sea urchin settlement may explain kelp forest recovery in overgrazed areas in Norway

Camilla With Fagerli, Kjell Magnus Norderhaug, Hartvig C Christie
Marine Ecology Progress Series 488 p. 119-132
2012

Effects of wave exposure on population structure, demography, biomass and productivity of the kelp Laminaria hyperborea

Morten F Pedersen, Lars B Nejrup, Stein Fredriksen, Hartvig C Christie, Kjell Magnus Norderhaug
Marine Ecology Progress Series 451 p. 45-60
2012

Does the diversity of kelp forest macrofauna increase with wave exposure?

Kjell Magnus Norderhaug, Hartvig C Christie, Guri Sogn Andersen, Trine Bekkby
Journal of Sea Research 69 p. 36-42
2011

Secondary production in a Laminaria hyperborea kelp forest and variation according to wave exposure

Kjell Magnus Norderhaug, Hartvig C Christie
Estuarine, Coastal and Shelf Science 95 p. 135-144
2011

Does the amphipod fauna associated with epiphytes on kelp (Laminaria hyperborea) change with depth?

Mette Eilertsen, Kjell Magnus Norderhaug, Kjersti Sjøtun
Marine Biology Research 7 p. 224-234
2009

Sea urchin grazing and kelp re-vegetation in the NE Atlantic

Kjell Magnus Norderhaug, Hartvig C Christie
Marine Biology Research 5 p. 515-528
2009

Identifying Rocky Seabed Using GIS-Modeled Predictor Variables

Trine Bekkby, Frithjof Emil Moy, Tone Kroglund, Janne K. Gitmark, Mats Walday, Eli Rinde, Kjell Magnus Norderhaug
Marine Geodesy 32 p. 379-390
2004

Use of red algae as hosts by kelp-associated amphipods

Norderhaug, Kjell Magnus
Marine Biology 144 p. 225-230
2003

Vegetation and production mosaics of wooded hay meadows

Ingvild Austad, Ann Norderhaug, Liv Norunn Hamre, Kjell Magnus Norderhaug
? p. 51-60
2003

The trophic importance of Laminaria hyperborea to kelp forest consumers and the importance of bacterial degradation on food value

Kjell Magnus Norderhaug, Stein Fredriksen, K. Nygaard
Marine Ecology Progress Series 255 p. 135-144
2002

Colonisation of kelp imitations by epiphyte and holdfast fauna; a study of mobility patterns

Kjell Magnus Norderhaug, Hartvig Christie, Eli Rinde
Marine Biology 141 p. 965-973

Other journal contributions

2021

Våre blå skoger er i dårlig tilstand

Cecilie Linn Wathne, Gunnar Sander, Hege Gundersen, Kjell Magnus Norderhaug, Steven Lutz, Tanya Bryan
Dagbladet
2016

Are skeletal ossicles in echinoids unreliable chronometers? Reply to Russell and Narváez comment on “Population dynamics of Strongylocentrotus droebachiensis in kelp forests and barren grounds in Norway” by Fagerli et al. 2015

Camilla With Fagerli, Sandra Gran Stadniczenko, Morten foldager Pedersen, Hartvig C Christie, Stein Fredriksen, Kjell Magnus Norderhaug
Marine Biology 163 p. 160-161
2014

Tareskogen – viktig råstoff og verdifullt økosystem

Trine Bekkby, Hartvig Christie, Kjell Magnus Norderhaug, Eli Rinde
Brønnøysund Avis p. 18-19

Academic lectures

2023

Overfishing caused the largest sea urchin grazing event observed in the NE Atlantic

Norderhaug Kjell Magnus, Kjell Nedreaas, Mats Husebråten, Even Moland
International Temperate Reef Symposium Hobart, Tasmania
2019

Carbon export is facilitated by sea urchins transforming kelp detritus.

Filbee‑Dexter K, · Foldager Pedersen M, · Fredriksen S,· Norderhaug KM, · Rinde E,· Kristiansen T, · Albretsen J· Wernberg T.
Oecologia online
2019

Arctic kelp forests: Diversity, resilience and future.

Filbee-Dexter K, Wernberg T, Fredriksen S, Norderhaug KM, Foldager Pedersen M.
Global and Planetary Change 172 p. 1-14
2019

Can multitrophic interactions and ocean warming influence large‐scale kelp recovery?

Christie H, Gundersen H, Rinde E, Norderhaug KM, Fagerli CW, Bekkby T, Gitmark JK, Jørgensen NM, Pedersen T.
Ecology and Evolution 9 p. 2847–2862
2019

Toward a coordinated global observing system for marine macrophytes. Systematic Review

Duffy, J.E., Benedetti-Cecchi, L., Trinanes, J., Muller-Karger, F.E., Ambo-Rappe, R., Boström, C., Buschmann, A.H., Byrnes, J., Coles, R.G., Creed, J., Cullen-Unsworth, L.C, Diaz-Pulido, G., Duarte, C.M., Edgar, G. J, Fortes, M., Goni, G., Hu, C., Huang, X., Hurd, C.L., Johnson, C., Konar, B., Krause-Jensen, D., Krumhansl, K., Macreadie, P., Marsh, H., McKenzie, L.J., Mieszkowska, N., Miloslavich, P., Montes, E., Nakaoka, M., Norderhaug, K.M., Norlund, L.M., Orth, R.J., Prathep, A., Putman, N.F., Samper-Villarreal, J. Serrao, E.A., Short, F., Pinto, I.S., Steinberg, P., Stuart-Smith, R., Unsworth, R.K.F., van Keulen, M., van Tussenbroek, B.I., Wang, M., Waycott, M., Weatherdon, L.V., Wernberg, T., Yaakub, S.M
Front Mari Sci 6 p. 317
2019

Effekter av klimaendringer i kystøkosystemene

Norderhaug KM
Miljødirektoratet forskningskonferanase
2019

Norwegian kelp forests

Norderhaug KM
Cape Town aquarium, South Africa

Scientific lectures

2023

The Value of the World’s Kelp Forests

Thomas Wernberg, Karen Filbee-Dexter, Kjell Magnus Norderhaug, Kasper Hancke
2023

Valuation methods and evidence for ecosystem services from kelp forests

Johanna Zimmerhanckle, Karen Filbee-Dexter, Kjell Magnus Norderhaug, Thomas Wernberg
2023

The value of kelp forests for supporting fisheries

Cristina Pineiro-Corbeira, Kjell Magnus Norderhaug, Karen Filbee-Dexter, Thomas Wernberg
2023

Overfishing caused the largest sea urchin grazing event observed in the NE Atlantic

Kjell Magnus Norderhaug, Kjell Harald Nedreaas, Mats Brockstedt Olsen Huserbråten, Even Moland
2023

Status for tareskog i nord

Norderhaug Kjell Magnus Kjell Nedreaas, Mats Huserbråten, Even Moland, Karen Filbee-Dexter, Thomas Wernberg
Fjord i Nord, Tromsø
2022

Ecosystem services of kelp in Scandinavia

Hege Gundersen, Kasper Hancke, Kjell Magnus Norderhaug
2022

Macroalgae aquaculture - A new blue industry in Norway

Norderhaug, Kjell Magnus
2022

Den blå skogen er viktigere enn du tror

Norderhaug, Kjell Magnus
2022

Efficient spatial kelp biomass estimations using acoustic methods

Kyrre Heldal Kartveit, Karen Filbee-Dexter, Henning Steen, Lene Christensen, Kjell Magnus. Norderhaug
Frontiers in Marine Science 9
2022

Leveraging the blue economy to transform marine forest restoration.

Karen Filbee-Dexter, Thomas Wernberg, Rodolfo Barreiro, Melinda A. Coleman, Thibaut de Bettignies, Colette J. Feehan, Joao N. Franco, Berit Hasler, Ines Louro, Kjell Magnus Norderhaug, Peter A. U. Staehr, Fernando Tuya, Jan Verbeek
Journal of Phycology 58 p. 198-207
2022

Kelp carbon sink potential decreases with warming due to accelerating decomposition

Karen Filbee-Dexter, Colette J. Feehan, Dan A. Smale, Kira A. Krumhansl, Skye Augustine, Florian de Bettignies, Michael T. Burrows, Jarrett E.K. Byrnes, Jillian Campbell, Dominique Davoult, Kenneth H. Dunton, Joao N. Franco, Ignacio Garrido, Sean P. Grace, Kasper Hancke, Ladd E. Johnson, Brenda Konar, Pippa J. Moore, Kjell Magnus Norderhaug, Alasdair O'Dell, Morten F. Pedersen, Anne K. Salomon, Isabel Sousa-Pinto, Scott Tiegs, Dara Yiu, Thomas Wernberg
PLoS Biology 20
2022

Macroalgae aquaculture - A new blue industry in Norway

Norderhaug KM
The swedish science academy KSLA
2022

The blue forest

Norderhaug KM
The norwegian science academy
2022

The big sea urchin invasion

Norderhaug KM
University of Agder at Arendals week
2022

Blue carbon and nature based solutions

Norderhaug KM
Ministry of climate and environment
2022

The scientific basis for MPAs

Norderhaug KM, Kleiven AR, Moland E, Knutsen JA
Ministry of trade and fishery
2019

Added values from the large-scale and long-lasting program for mapping marine habitats

Trine Bekkby, Guri Sogn Andersen, Gro Angeltveit, Ole Jacob Broch, Reidulv Bøe, Hartvig C Christie, Lars Erikstad, Sigurd Heiberg Espeland, Camilla With Fagerli, Stein Fredriksen, Janne Kim Gitmark, Hege Gundersen, Kasper Hancke, Maia Røst Kile, Frithjof Emil Moy, Siri Røang Moy, Kjell Magnus Norderhaug, Eli Rinde, Cecilie Smit, Henning Steen, Lise Ann Tveiten
2019

Sea urchin grazing of kelp forests in the Arctic and the impact on the recovery of rocky shore communities after oil spills

Trine Bekkby, Hartvig C Christie, Kjell Magnus Norderhaug, Jonny Beyer, Nina Mari Jørgensen
2018

Factors affecting Saccharina latissima, concerning growth, recruitment and competition.

ØH Torp, Camilla With Fagerli, Stein Fredriksen, Kasper Hancke, Kjell Magnus Norderhaug
2018

Marint gruntvann

Hege Gundersen, Trine Bekkby, Kjell Magnus Norderhaug, Eivind Oug
2016

National report status. Presentation at OSPAR working group meeting

Kjell Magnus Norderhaug, Hege Gundersen
2016

Interactive dynamics between abiotic factors, sea urchins and kelp forests

Trine Bekkby, Eli Rinde, Kjell Magnus Norderhaug, Camilla With Fagerli, Gro Angeltveit, Janne Kim Gitmark, Hege Gundersen, Lise Ann Tveiten, Hartvig C Christie
2015

Kystøkosystemet

Hege Gundersen, Kjell Magnus Norderhaug, Eli Rinde, Torbjørn Martin Johnsen, Gro Ingleid van der Meeren, Kjell Tormod Nilssen
2015

Kystøkosystemer i endring

Kjell Magnus Norderhaug, Trine Bekkby, Hartvig Christie
2015

Understanding variation and changes in kelp forest ecosystems using modelling approaches

Trine Bekkby, Eli Rinde, Kjell Magnus Norderhaug, Gro Angeltveit, Janne K. Gitmark, Hege Gundersen, Lise Tveiten, Hartvig Christie
2014

Storskala endringer i tare-kråkebolle systemet. Endringer i klima og predasjon på flere nivåer gir spennende økologiske og forvaltningsmessige perspektiver.

Hartvig Christie, Hege Gundersen, Eli Rinde, Kjell Magnus Norderhaug, Trine Bekkby, Janne K. Gitmark, Camilla With Fagerli, Nina Mari Jørgensen
2014

Kunnskapsbasert forvaltning krever bruk av ny kunnskap. Hvordan få dette til for høsting av stortare i Sør-Trøndelag?

Eli Rinde, Hartvig C Christie, Trine Bekkby, Kjell Magnus Norderhaug, Hege Gundersen, Camilla With Fagerli
2014

Effects from climate and eutrophication on the diversity of hard bottom communities on the Skagerrak coast 1990-2010

Kjell Magnus Norderhaug, Hege Gundersen, Are Pedersen, Frithjof Emil Moy, Norman Whitaker Green, Mats Walday, Janne Kim Gitmark, Anna Birgitta Ledang, Birger Bjerkeng, Dag Hjermann, Hilde Cecilie Trannum
2014

Recovery of grazed kelp forests in northeast Atlantic - the influence of climate change and environmental factors

Eli Rinde, Hartvig Christie, Camilla With Fagerli, Trine Bekkby, Hege Gundersen, Kjell Magnus Norderhaug, Dag Øystein Hjermann
2013

Climate Change and Large Scale shifts in the Geographical Distribution of NE Atlantic Kelp Forests

Kjell Magnus Norderhaug, Camilla With Fagerli, Frithjof Emil Moy, Trine Bekkby, Guri Sogn Andersen, Hege Gundersen, Eli Rinde, Stein Fredriksen, Morten F Pedersen, Hartvig C Christie
2013

GENVAR: Genetic variability between sea urchin populations

Hege Gundersen, Kjell Magnus Norderhaug, A. B. Marc d'Auriac, Anders Hobæk, Camilla With Fagerli, Hartvig C Christie
2013

Gjenvekst - Restitusjon av tareskogøkosystemet

Kjell Magnus Norderhaug, Trine Bekkby, Eli Rinde, Hartvig C Christie, Hege Gundersen, Camilla With Fagerli
2013

What determines the density of epiphytic algae. Variation in algal density on kelp (Laminaria hyperborea) stipes with environmental variables and red sea urchin (Echinus esculentus) density

Gro Angeltveit, Trine Bekkby, Kjell Magnus Norderhaug, Hege Gundersen, Dag Øystein Hjermann, Lise Ann Tveiten
2013

Variation in kelp size and kelp associated biodiversity as a function of latitude, depth, and exposure for waves and currents

Eli Rinde, Trine Bekkby, Hartvig C Christie, Kjell Magnus Norderhaug, Hege Gundersen, Janne K. Gitmark, Camilla With Fagerli
2013

Climate Change and Large Scale shifts in the Geographical Distribution of NE Atlantic Kelp Forests

Kjell Magnus Norderhaug, Camilla With Fagerli, Frithjof Emil Moy, Trine Bekkby, Guri Sogn Andersen, Eli Rinde, Stein Fredriksen, Morten Foldager Pedersen, Hartvig C Christie
2012

HvalerKoster-piloten. Et prosjekt under "Hav møter land"

Hege Gundersen, Göran Sundblad, Martin Isæus, Janne K. Gitmark, Kjell Magnus Norderhaug, Camilla With Fagerli
2012

The effect of wave and current exposure on kelp (Laminaria hyperborea) structure and associated algae and fauna communities

Trine Bekkby, Eli Rinde, Hege Gundersen, Kjell Magnus Norderhaug, Hartvig C Christie, Janne K. Gitmark
2012

The effect of wave and current exposure on kelp (Laminaria hyperborea) structure and associated algae and fauna communities

Trine Bekkby, Eli Rinde, Hege Gundersen, Kjell Magnus Norderhaug, Hartvig C Christie, Janne K. Gitmark

Poster

2017

Fish Assemblages in Coastal Vegetation

Jonas Thormar, Henning Steen, Thijs Christiaan van Son, Sebastian Bosgraaf, Lene Christensen, Ida Kristin Mellerud, Frithjof Emil Moy, Kjell Magnus Norderhaug
2016

Effect of wave exposure and current speed on kelp morphology and the associated fauna communities

Janne Kim Gitmark, Kjell Magnus Norderhaug, Eli Rinde, Hege Gundersen, Hartvig C Christie, Trine Bekkby
2012

The coastal monitoring programme - how is eutrophication and climatic change affecting the coastal ecosystem?

Kjell Magnus Norderhaug, Jan Aure, Birger Bjerkeng, Einar Dahl, Tone Falkenhaug, Janne kim Gitmark, Norman Whitaker Green, Hege Gundersen, Torbjørn Martin Johnsen, Anna Birgitta Ledang, Evy Rigmor Lømsland, J. Magnusson, Frithjof Emil Moy, Lena Omli, Eivind Oug, Are Pedersen, Brage Rygg, Kai Sørensen, Hilde Cecilie Trannum, Lise Ann Tveiten, Mats Walday
2012

Soft bottom communities and responses to climatic change and wutrophication in Skagerrak during a period of twenty years

Hilde Cecilie Trannum, Hege Gundersen, Kjell Magnus Norderhaug
2012

The Norwegian Coastal Monitoring Programme (1990-p.t.): Effects of eutrophication and climatic change on rocky bottom macro algea and sessile fauna

Hege Gundersen, Dag Øystein Hjermann, Kjell Magnus Norderhaug
2010

Modelling kelp forest distribution in Norway

Trine Bekkby, Eli Rinde, Kjell Magnus Norderhaug, Hartvig C Christie, Hege Gundersen, Lars Erikstad, Vegar Bakkestuen

Reports and dissertations

2023

Into the Blue: Securing a Sustainable Future for Kelp Forests

Maria Potouroglou, Karen Filbee-Dexter, Steven Lutz, Gabriel Grimsditch, Linda Jonsson, Gunnar Sander, Hege Gundersen, Thomas Wernberg, Alejandro H. Buschmann, Kira Krumhansl, Kyle Cavanaugh, Dan Smale, Mads Thomsen, Connel Fullenkamp, Erika Techera, Jurgen Valckenaere, Marianne Karlsson, Aaron M. Eger, Adriana Verges, Zi-Min Hu, Ti Feng Shan, Kasper Hancke, Abbie A. Rogers, Albertus J. Smit, Anne-Marie Jackson, Atsushi Watanabe, Brendan Flack, Camille Lavoie, Carine Meyer-Rodrigues, Carlos Duarte, Christopher D. Hepburn, Colette Feehan, Daisuke Fujita, Frode Sundnes, Froukje Maria Platjouw, Gaya Gnanalingam, Helena Isabel Rodrigues, Jan Verbeek, Jeong Ha Kim, Johanna Zimmerhackel, John J. Bolton, Jose Lucas Perez-Llorens, Julio Lorda, Julio A. Vasquez, Kathryn Schoenrock-Rossiter, Katia Frangoudes, Kjell Magnus Norderhaug, Lucy Greenhill, Margot Hessing-Lewis, Nathan King, Paal Bakken, Pippa Moore, Rebecca Martone, Rodrigo Beas-Luna, Scott Bennet, Thibaut de Bettignies, Tibor Vegh, Trevor Bringloe, Trine Bekkby, Wendy Nelson
2023

Chapter 2 Status, trends and future projections. Into the Blue: Securing a Sustainable Future for Kelp Forests. United Nations Environment Programme, 144 p. United Nations Environment Programme Report DEP/2505/NA, ISBN 978-92-807-4007-3.

K Cavanaugh, Kira Krumhansl, AH Buschmann, Thomas Wernberg, R Beas-Luna, Trine Bekkby, S Bennett, J Bolton, T Bringloe, C Feehan, Karen Filbee-Dexter, M Hessing-Lewis, JH Kim, J Lorda, R Martone, Kjell Magnus Norderhaug
2023

Tilstandsvurdering av Høstefelt for Stortare i Rogaland og Vestland i 2023

Henning Steen, Lene Christensen, Kjell Magnus Norderhaug
Rapport fra havforskningen
2023

Status for miljøet i norske havområder - Rapport fra Overvåkingsgruppen 2023

Jon Albretsen, Per Arneberg, Karen Assmann, Philipp Assmy, Pernilla Bohlin-Nizzetto, Knut Yngve Børsheim, Melissa Chierici, Kai Håkon Christensen, Padmini Dalpadado, Markus Diesing, Lars Christian Espenes, Tone Falkenhaug, Per Fauchald, Sylvia Frantzen, Anne Kirstine Højholt Frie, Sebastian Gerland, Bjørn Einar Grøsvik, Hege Gundersen, Kjell Gundersen, Kasper Hancke, Eldbjørg Sofie Heimstad, Vivian Husa, Randi Brunvær Ingvaldsen, Anders Jelmert, Henning Hensen, Louise Kiel Jensen, Martin Jensen, Josefina Johansson, Hanne Johnsen, Lis Lindal Jørgensen, Kit M. Kovacs, Øystein Leiknes, Deanna Marie Leonard, Svein-Håkon Lorentsen, Erik Askov Mousing, Kjell Magnus Norderhaug, Elisabet Rosendal, Jorge Sanchez-Borque, Merete Schøyen, Øystein Skagseth, Hilde Kristin Skjerdal, Mette Skern-Mauritzen, Morten D. Skogen, Kristine O. Stene, Guldborg Søvik, Terje Thorsnes, Gro Ingleid van der Meeren, Ida Vee, Cecilie von Quillfeldt
2023

Effekter av bunntråling - Sammenstilling av kunnskap om bunnpåvirkning fra trål og snurrevad relevant for norske farvann

Svein Løkkeborg, Kjell Gunnar Bakkeplass, Markus Diesing, Harald Gjøsæter, Genoveva Gonzalez-Mirelis, Carsten Hvingel, Lis Lindal Jørgensen, Even Moland, Kjell Magnus Norderhaug, Samuel Rastrick
2022

Metoder for kartlegging av oppvekstområder for kystnære bestander av fisk

Sigurd Heiberg Espeland, Kjell Magnus Norderhaug, Jonas Thormar, Portia Joy Nillos Kleiven, Inger Aline Norberg Aanonsen, Jostein Saltskår, Terje Jørgensen, Lene Christensen, Terje van der Meeren, Stian Stiansen, Odd Børre Humborstad
2021

Background Document for Kelp Forests habitat

Thibaut de Bettignies, Florian de Bettignies, Inka Bartsch, Trine Bekkby, A Boiffin, P Casado de Amezúa, Hartvig C Christie, H Edwards, N Fournier, A Garcia, L Gauthier, K Gillham, C Halling, M Harrald, J Hennicke, S Hernandez, M Kilnäs, B Martínez, Nova Mieszkowska, Pippa J Moore, Frithjof Emil Moy, M. Mueller, Kjell Magnus Norderhaug, Oliver Ó Cadhla, M Parry, K Ramsay, M Robertson, T Russel, Ester Serrao, Dan A Smale, Isabel Sousa Pinto, Henning Steen, Mats Gunnar Walday, T Werner, M La Rivière
2021

Bærekraftig taretråling - Vurdering av bærekraftskriterier ved Vikna

Kjell Magnus Norderhaug, Carla Freitas, Sigurd Heiberg Espeland, Jon Albretsen, Signe Christensen-Dalsgaard, Martin Junker Ohldieck, Thijs Christiaan van Son, Jan Atle Knutsen, Frithjof Emil Moy, Henning Steen
2021

Miljøpåvirkning fra dyrking av makroalger — Risikovurdering for norske farvann

Kjell Magnus Norderhaug, Pia Kupka Hansen, Stein Fredriksen, Bjørn Einar Grøsvik, Lars Johan Naustvoll, Henning Steen, Frithjof Emil Moy
2021

Krafttak for kysttorsken - Kunnskap for stedstilpasset gjenoppbygging av bestander, naturtyper og økosystem i Færder- og Ytre Hvaler nasjonalparker

Even Moland, Ann-Elin Synnes, Lars Johan Naustvoll, Carla Freitas, Kjell Magnus Norderhaug, Jonas Thormar, Martin Biuw, Per Erik Jorde, Halvor Knutsen, Geir Dahle, Anders Jelmert, Sebastian Bosgraaf, Esben Moland Olsen, Anne Deininger, Atle Haga
2020

ØKOKYST – delprogram Klima. Årsrapport 2019

Lars Johan Naustvoll, Jonas Thormar, Elisabeth Lundsør, Tone Kroglund, Kjell Magnus Norderhaug, Frithjof Emil Moy
2020

Mot en ny havnæring for tare? : Muligheter og utfordringer for dyrking av alger i Norge

Kjell Magnus Norderhaug, Jorunn Skjermo, Kari Kolstad, Ole Jacob Broch, Åshild Ergon, Aleksander Handå, Svein Jarle Horn, Erik-Jan Lock, Margareth Øverland
2020

Biomassemodell for stortare - Ressursmodell for fremtidens forvaltning

Kjell Magnus Norderhaug, Thijs Christiaan van Son, Nikolaos Nikolioudakis, Jonas Thormar, Frithjof Emil Moy, Jan Atle Knutsen, Sigrid Elvenes, Henning Steen
2020

Tareundersøkelser i Nordland i 2019

Henning Steen, Kjell Magnus Norderhaug, Frithjof Emil Moy
2019

ØKOKYST - delprogram Klima. Årsrapport 2018.

Lars Johan Naustvoll, Elisabeth Lundsør, Jonas Thormar, Kjell Magnus Norderhaug, Tone Kroglund, Frithjof Emil Moy
2018

ØKOKYST-delprogram Klima. Årsrapport 2017.

Lars Johan Naustvoll, Frithjof Emil Moy, Jane Karine Lønne Dolven, Kjell Magnus Norderhaug
2018

Tareundersøkelser i Nordland i 2018

Henning Steen, Kjell Magnus Norderhaug, Frithjof Emil Moy
2018

Kystvann, Svalbard. Norsk rødlista for naturtyper 2018.

Hege Gundersen, Trine Bekkby, Eivind Oug, Kjell Magnus Norderhaug, Bjørn Gulliksen
2018

Marin gruntvann. Norsk rødliste for naturtyper 2018

Hege Gundersen, Trine Bekkby, Eivind Oug, Kjell Magnus Norderhaug, Stein Fredriksen, Eli Rinde
2018

Tareundersøkelser i Nordland i 2017

Henning Steen, Kjell Magnus Norderhaug, Frithjof Emil Moy
2018

Tareundersøkelser i Nordland i 2017

Steen H, Norderhaug KM
IMR report p. 50
2017

Vurdering av egnethet av utslippsindikator for næringssalter og organisk materiale på produksjonsområdenivå

Pia Kupka Hansen, Vivian Husa, Raymond Bannister, Tina Kutti, Kjell Magnus Norderhaug, Lars Johan Naustvoll, Henrik Rye Jakobsen
2016

Eutrophication status for Norwegian waters. National report for the third application of OSPARs Common Procedure

Kjell Magnus Norderhaug, Hege Gundersen, Tore Høgåsen, Torbjørn Martin Johnsen, Gunnar Severinsen, Jens Vedal, Kai Sørensen, Mats Gunnar Walday
2015

Miljøundersøkelser rundt vraket av MS Server

Kjell Magnus Norderhaug, Torgeir Heggelund Bakke, John A Berge, Camilla With Fagerli, Lise Ann Tveiten, Janne Kim Gitmark, Mats Gunnar Walday
2015

Videreutvikling av makroalgeindeksene for klassifisering av miljøtilstand i kystvann

Mats Gunnar Walday, Hege Gundersen, Janne Kim Gitmark, Trine Bekkby, Kjell Magnus Norderhaug, Are Pedersen
2014

Tallknusing av sukkertaredata

Hege Gundersen, Kjell Magnus Norderhaug, Hartvig C Christie, Frithjof Emil Moy, Dag Øystein Hjermann, Jens Vedal, Anna Birgitta Ledang, Janne Kim Gitmark, Mats Walday
2014

Miljødirektoratets tallknuserprosjekt: Tallknusing av sukkertaredata

Hege Gundersen, Kjell Magnus Norderhaug, Hartvig C Christie, Frithjof Emil Moy, Dag Øystein Hjermann, Jens Vedal, Anna Birgitta Ledang, Janne Kim Gitmark, Mats Walday
2013

Effects of environmental factors and Echinus esculentus sea urchins on the density of epiphytic macroalgae on kelp (Laminaria hyperborea) stipes

Gro Angeltveit, Trine Bekkby, Kjell Magnus Norderhaug
2011

Utredning om CO2-opptak i marine naturtyper

Hege Gundersen, Hartvig C Christie, Heleen de Wit, Kjell Magnus Norderhaug, Trine Bekkby, Mats Walday
2007

Spatial prediction of Laminaria hyperborea at the Norwegian Skagerrak coast

Kjell Magnus Norderhaug, Martin Isæus, Trine Bekkby, Frithjof Moy, Are Pedersen
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