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Stein Fredriksen

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Telefon: 55238500
Avdeling: Bunnsamfunn

Publikasjoner

Vitenskapelige artikler (NVI)

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

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
2020

Alien species in Norway: Results from quantitative ecological impact assessments

Hanno Sandvik, Olga Hilmo, Snorre Henriksen, Reidar Elven, Per Arvid Åsen, Hanne Hegre, Oddvar Pedersen, Per Anker Pedersen, Heidi Solstad, Vigdis Vandvik, Kristine Bakke Westergaard, Frode Ødegaard, Sandra Charlotte Helene Åström, Hallvard Elven, Anders Endrestøl, Øivind Gammelmo, Bjørn Arild Hatteland, Halvor Solheim, Björn Nordén, Leif Sundheim, Venche Talgø, Tone Falkenhaug, Bjørn Gulliksen, Anders Jelmert, Eivind Oug, Jan Henry Sundet, Elisabet Forsgren, Anders Gravbrøt Finstad, Trygve H. Hesthagen, Kjell Harald Nedreaas, Rupert Wienerroither, Vivian Husa, Stein Fredriksen, Kjersti Sjøtun, Henning Steen, Haakon Hansen, Inger Sofie Hamnes, Egil Karlsbakk, Christer Magnusson, Bjørnar Ytrehus, Hans Christian Pedersen, Jon Swenson, Per Ole Syvertsen, Bård Gunnar Stokke, Jan Ove Gjershaug, Dag Dolmen, Gaute Kjærstad, Stein Ivar Johnsen, Thomas Correll Jensen, Kristian Hassel, Lisbeth Gederaas
Ecological Solutions and Evidence 1
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
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

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

DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen)

Marie Dankworth, Sandra Heinrich, Stein Fredriksen, Inka Bartsch
Journal of Phycology 56 p. 1245-1254
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
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

Efficient coralline algal psbA mini barcoding and High Resolution Melt (HRM) analysis using a simple custom DNA preparation

Marc B Anglès d'Auriac, Line Le Gall, Viviana Peña, Jason M Hall-Spencer, Robert S Steneck, Stein Fredriksen, Janne Gitmark, Hartvig Christie, Vivian Husa, Ellen Sofie Grefsrud, Eli Rinde
Scientific Reports 9
2019

Genetic heterogeneity of two bioeconomically important kelp species along the Norwegian coast

Ann Evankow, Hartvig C Christie, Kasper Hancke, Anne K Brysting, Claudia Junge, Stein Fredriksen, Jens Thaulow
Conservation Genetics 20 p. 615-628
2019

The Abundance of Kelp Is Modified by the Combined Impact of Depth, Waves and Currents

Trine Bekkby, Cecilie Smit, Hege Gundersen, Eli Rinde, Henning Steen, Lise Tveiten, Janne K Gitmark, Stein Fredriksen, Jon Albretsen, Hartvig Christie
Frontiers in Marine Science 6
2019

Alien plants, animals, fungi and algae in Norway: an inventory of neobiota

Hanno Sandvik, Dag Dolmen, Reidar Elven, Tone Falkenhaug, Elisabet Forsgren, Haakon Hansen, Kristian Hassel, Vivian Husa, Gaute Kjærstad, Frode Ødegaard, Hans Christian Pedersen, Halvor Solheim, Bård Gunnar Stokke, Per Arvid Åsen, Sandra Åström, Tor Erik Brandrud, Hallvard Elven, Anders Endrestøl, Anders Gravbrøt Finstad, Stein Fredriksen, Øivind Gammelmo, Jan Ove Gjershaug, Bjørn Gulliksen, Inger Hamnes, Bjørn Arild Hatteland, Hanne Hegre, Trygve Hesthagen, Anders Jelmert, Thomas C Jensen, Stein Ivar Johnsen, Egil Karlsbakk, Christer Magnusson, Kjell Nedreaas, Björn Nordén, Eivind Oug, Oddvar Pedersen, Per Anker Pedersen, Kjersti Sjøtun, Jon Kristian Skei, Heidi Solstad, Leif Sundheim, Jon E Swenson, Per Ole Syvertsen, Venche Talgø, Vigdis Vandvik, Kristine B Westergaard, Rupert Wienerroither, Bjørnar Ytrehus, Olga Hilmo, Snorre Henriksen, Lisbeth Gederaas
Biological Invasions 21 p. 2997-3012
2019

Geographic variation in fitness-related traits of the bladderwrack Fucus vesiculosus along the Baltic Sea – North Sea salinity gradient

Francisco R. Barboza, Jonne Kotta, Florian Weinberger, Veijo Jormalainen, Patrik Kraufvelin, Markus Molis, Hendrik Schubert, Henrik Pavia, Göran M. Nylund, Lena Kautsky, Ellen Schagerström, Esther Rickert, Mahasweta Saha, Stein Fredriksen, Georg Martin, Kaire Torn, Ari Ruuskanen, Martin Wahl
Ecology and Evolution 9 p. 9225-9238
2017

The impact of the kelp (Laminaria hyperborea) forest on the organic matter content in sediment of the west coast of Norway

Mohamed I Abdullah, Stein Fredriksen, Hartvig Christie
Marine Biology Research 13 p. 151-160
2017

Utslipp av partikulære og løste stoffer fra matfiskanlegg

Vivian Husa, Pia Kupka Hansen, Raymond Bannister, Tina Kutti, Stein Fredriksen
Fisken og Havet, Særnummer p. 99-116
2016

Changes in kelp forest biomass and depth distribution in Kongsfjorden, Svalbard, between 1996–1998 and 2012–2014 reflect Arctic warming

Inka Bartsch, Martin Paar, Stein Fredriksen, Max Schwanitz, Claudia Daniel, Haakon Hop, Christian Wiencke
Polar Biology 39 p. 2021-2036
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

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

Small-scale removal of seagrass (Zostera marina L.): effects on the infaunal community

Marc Jürgen Silberberger, Jonas Thormar, Stein Fredriksen
Marine Biology Research 12 p. 993-1002
2016

Reseña de proyecto: Coralalg, la biodiversidad marina oculta en noruega: búsqueda de especies crípticas en algas rojas coralinas (Norway's hidden marine biodiversity: the hunt for cryptic species within the coralline algae).

Viviana Peña, L Le Gall, Vivian Husa, Ellen Sofie Grefsrud, Jason M. Hall-Spencer, Robert S. Steneck, Stein Fredriksen, Olivier De Clerck, Janne Kim Gitmark, Marc Anglès d'Auriac, Trine Bekkby, Hartvig C Christie, Eli Rinde
Algas: Boletín Informativo de la Sociedad Española de Ficología 52 p. 55-58
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

Biodiversity mediates top-down control in eelgrass ecosystems: a global comparative-experimental approach

J. Emmett Duffy, Pamela L. Reynolds, Christoffer Boström, James A. Coyer, Mathieu Cusson, Serena Donadi, James G. Douglass, Johan S. Eklöf, Aschwin H. Engelen, Britas Klemens Eriksson, Stein Fredriksen, Lars Gamfeldt, Camilla Gustafsson, Galice Hoarau, Masakazu Hori, Kevin Hovel, Katrin Iken, Jonathan S. Lefcheck, Per-Olav Moksnes, Masahiro Nakaoka, Mary I. O'Connor, Jeanine L. Olsen, J. Paul Richardson, Jennifer L. Ruesink, Erik E. Sotka, Jonas Gjaldbæk Thormar, Matthew A. Whalen, John J. Stachowicz
Ecology Letters 18 p. 696-705
2015

Benthic algal vegetation in Isfjorden, Svalbard

Stein Fredriksen, Tove M. Gabrielsen, Maia Røst Kile, Knut Sivertsen
Polar Research 34 p. 1-9
2014

Distribution, structure and function of Nordic eelgrass (Zostera marina) ecosystems: Implications for coastal management and conservation

Christoffer Boström, Susanne Baden, Anna-Christina Bockelmann, Karsten Dromph, Stein Fredriksen, Camilla Gustafsson, Dorte Krause-Jensen, Tiia Möller, Søren Laurentius Nielsen, Birgit Olesen, Jeanine Olsen, Leif Pihl, Eli Rinde
Aquatic conservation 24 p. 410-434
2014

The exudation of nitrate by the kelp Laminaria hyperborea, an observation during in situ incubation experiments

Mohamed I Abdullah, Stein Fredriksen
Marine Biology Research 10 p. 725-730
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

New additions to the benthic marine flora of Kongsfjorden, western Svalbard, and comparison between 1996/1998 and 2012/2013

Stein Fredriksen, I Bartsch, Christian Wiencke
Botanica Marina 57 p. 203-216
2014

Sub-canopy light conditions only allow low annual net productivity of epiphytic algae on kelp Laminaria hyperborea

Morten foldager Pedersen, Lars Nejrup, Troels Pedersen, Stein Fredriksen
Marine Ecology Progress Series 516 p. 163-176
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

The algal vegetation in the outer part of Isfjorden, Spitsbergen: revisiting Per Svendsen's sites 50 years later

Stein Fredriksen, Maia Røst Kile
Polar Research 31
2011

Seasonal Patterns of Sporophyte Growth, Fertility, Fouling, and Mortality of Saccharina latissima in Skagerrak, Norway: Implications for Forest Recovery

Guri Sogn Andersen, Henning Steen, Hartvig C Christie, Stein Fredriksen, Frithjof Moy
Journal of Marine Biology 2011
2010

Infauna from Zostera marina L. meadows in Norway. Differences in vegetated and unvegetated areas

Stein Fredriksen, Annelies De Backer, C. Boström, Hartvig C Christie
Marine Biology Research 6 p. 189-200
2009

Macrophytes as habitat for fauna

H. Christie, K.M. Norderhaug, Stein Fredriksen
Marine Ecology Progress Series 396 p. 221-233
2008

Trophic studies in a high-latitude fjord ecosystem - a comparison of stable isotope analyses (delta 13C and delta 15N)and trophic-level estimates from a mass-balance model

marianne Nilsen, Torstein Pedersen, Einar Magnus Nilssen, Stein Fredriksen
Canadian Journal of Fisheries and Aquatic Sciences 65 p. 2791-2806
2008

Trophic studies in a high-latitude fjord ecosystem – a comparison of stable isotope analyses (δ13C and δ15N) and trophic-level estimates from a mass-balance model

Marianne Nilsen, Torstein Pedersen, Einar Magnus Nilsen, Stein Fredriksen
Canadian Journal of Fisheries and Aquatic Sciences 65 p. 2791-2806
2007

Isotopic and elemental indicators of nutrient sources and status of coastal habitats in the Caribbean Sea, Yucatan Peninsula, Mexico

T Mutchler, K Dunton, A Townsend-Small, Stein Fredriksen, M Rasser
Estuarine, Coastal and Shelf Science 74 p. 449-457
2007

Is habitat size an important factor for faunal abundances on kelp (Laminaria hyperborea)?

K.M. Norderhaug, H. Christie, Stein Fredriksen
Journal of Sea Research 58 p. 120-124
2006

Importance of phlorotannin content and C:N ratio of Laminaria hyperborea in determining its palatability as food for consumers

K.M. Norderhaug, K. Nygaard, Stein Fredriksen
Marine Biology Research 2 p. 367-371
2005

Fish - macrofauna interactions in a kelp (Laminaria hyperborea) forest

K.M. Norderhaug, H. Christie, Jan Helge Fosså, Stein Fredriksen
Journal of the Marine Biological Association of the United Kingdom 85 p. 1279-1286
2005

Species richness in macroalgae and macrofauna assemblages on Fucus serratus L. (Phaeophyceae) and Zostera marina L. (Angiospermae) in Skagerrak, Norway

Stein Fredriksen, H. Christie, Bjarte Andre Sæthre
Marine Biology Research 1 p. 2-19
2004

Production, respiration, and exudation of dissolved organic matter by the kelp Laminaria hyperborea along the west coast of Norway

Mohamed I Abdullah, Stein Fredriksen
Journal of the Marine Biological Association of the United Kingdom 84 p. 887-894
2004

Deterioration of eelgrass (Zostera marina L.) through destructive grazing by the gastropod Rissoa membranacea (J. Adams)

Stein Fredriksen, H. Christie, Christoffer Boström
Sarsia 89 p. 218-222
2003

Food web studies in a Norwegian kelp forest based on stable isotope (?13C and ?15N) analysis

Fredriksen, Stein
Marine Ecology Progress Series 260 p. 71-81
2003

Epiphytes on the invasive species Sargassum muticum at Verdens Ende, South Norway

M.R. Bjærke, Stein Fredriksen
Sarsia 88 p. 353-364
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
2003

Zostera marina (Angiospermae) and Fucus serratus (Phaeophyceae) as habitat for flora and fauna � seasonal and local variation

Fredriksen, Stein
Proceedings / International Seaweed Symposium 17 p. 357-364
2002

Seaweeds in cold seas: evolution and carbon acquisition

J. Raven, A.M. Johnston, J.E. Kübler, R. Korb, S.G. McInroy, L.L. Handley, C.M. Scrimgeour, D.I. Walker, J. Berdall, M.N. Clayton, M. Vanderklift, Stein Fredriksen, K.H. Dunton
Annals of Botany 90 p. 525-536
2002

Mecanistic interpretation of carbon isotope discrimination by marine macroalgae and seagrasses

J. Raven, A.M. Johnston, J.E. Kübler, R. Korb, S.G. McInroy, L.L. Handley, C.M. Scrimgeour, D.I. Walker, J. Berdall, M. Vanderklift, Stein Fredriksen, K.H. Dunton
Functional Plant Biology 29 p. 355-378
1998

Effect of canopy biomass and wave exposure on growth in Laminaria hyperborea (Laminariaceae: Phaeophyta)

Kjersti Sjøtun, Stein Fredriksen, Jan Rueness
European journal of phycology 33 p. 337-343
1998

Intraspecific reproductive variation in Gelidium pusillum (Stackhouse) Le Jolis (Gelidiales, Rhodophyta) from Norway

Jan Rueness, Stein Fredriksen
Journal of Applied Phycology 10 p. 253-260

Poster

2019

Growth of two red algae species Palmaria palmata and Vertebrata lanosa in lab culture

Newt Petride, Stein Fredriksen
2019

Exploring the Saccharina latissima microbiome

B Burgunter-Delamare, Stein Fredriksen, Sylvie Rousvoal, Catherine Boyen, Simon Dittami
2018

Norways hidden marine biodiversity: the hunt for cryptic species within the coralline algae

Eli Rinde, Marc Angles d'Auriac, Trine Bekkby, Hartvig C Christie, Stein Fredriksen, Janne Kim Gitmark, Ellen Sofie Grefsrud, Jason M. Hall-Spencer, Vivian Husa, L Le Gall, Viviana Peña, Robert S. Steneck
2015

Population genetic diversity and structure of two kelp species (Laminariales) in Norway

Ann Marie Evankov, Stein Fredriksen, H. Christie, Claudia Junge, Anne Krag Brysting
2015

Seasonal variations of fish fauna in two Zostera marina meadows in the inner Oslofjord

Mari Bøe, Stein Fredriksen, Hans Erik Karlsen
2015

Genetic tools reveal diversity and structure of kelp forests in Norway

Ann Evankow, Stein Fredriksen, Hartvig C Christie, Claudia Junge, Anne Krag Brysting
2013

Algal culture collection at the University of Oslo

Sissel Irene Brubak, Wenche Eikrem, Stein Fredriksen, Bente Edvardsen
2013

Benthic communities at the opera in Bjørvika

A Andersen, Jonas Thormar, KM Norderhaug, Stein Fredriksen
2011

Effects of disturbance on the abundance and composition of infauna in Zosera marina L. communities

Marc Silberberger, Stein Fredriksen
2011

What is replacing the sugar kelp in Skagerrak?

Tanya Minchin, Stein Fredriksen, K.M. Norderhaug
2009

Manipuleringer i fjæra i indre Oslofjord

Ida S. Forsberg, Ida Rustad, Stein Fredriksen
2009

Temperaturtoleranser hos forskjellige isolater av sukkertare

Kristine Steinhovden, Stein Fredriksen
2008

Overvåking av fotosyntetisk effektivitet i makroalger

Harald Heiaas, Kevin Thomas, Stein Fredriksen, Hylland Ketil
2007

Kelp associated epiphytes, their biomass production and community structure in relation to wave exposure and season

Guri Sogn Andersen, Stein Fredriksen
2002

Nedbeiting av ålegras forårsaket av sneglen Rissoa membranacea

Stein Fredriksen, Hartvig Christie, C. Boström
2000

Epifytter på ålegras og sagtang - en sammenligning mellom fire årstider

Bjarte Sætre, Stein Fredriksen
1999

Where have all the kelp plants gone?

Hartvig Christie, Stein Fredriksen
1999

Epifytter på Sargassum muticum

Marit Ruge Bjærke, Stein Fredriksen
1999

Epifytter på Zostera marina (ålegras)

L. Sivertsen, Stein Fredriksen
1999

Bruk av stabile karbonisotoper til å spore tareskogens influensområde

E.C. Gustad, Stein Fredriksen
1999

Biodiversitet i makrofyttsamfunn. Variasjon i tid og rom

Stein Fredriksen, Hartvig Christie

Produkt

2020

Data from: Ecological impact assessments of alien species in Norway

Hanno Sandvik, Olga Hilmo, Snorre Henriksen, Reidar Elven, Per Arvid Åsen, Hanne Hegre, Oddvar Pedersen, Per Anker Pedersen, Heidi Solstad, Vigdis Vandvik, Kristine Bakke Westergaard, Frode Ødegaard, Sandra Charlotte Helene Åström, Hallvard Elven, Anders Endrestøl, Øivind Gammelmo, Bjørn Arild Hatteland, Halvor Solheim, Björn Nordén, Leif Sundheim, Venche Talgø, Tone Falkenhaug, Bjørn Gulliksen, Anders Jelmert, Eivind Oug, Jan Henry Sundet, Elisabet Forsgren, Anders Gravbrøt Finstad, Trygve H. Hesthagen, Kjell Harald Nedreaas, Rupert Wienerroither, Vivian Husa, Stein Fredriksen, Kjersti Sjøtun, Henning Steen, Haakon Hansen, Inger Sofie Hamnes, Egil Karlsbakk, Christer Magnusson, Bjørnar Ytrehus, Hans Christian Pedersen, Jon Swenson, Per Ole Syvertsen, Bård Gunnar Stokke, Jan Ove Gjershaug, Dag Dolmen, Gaute Kjærstad, Stein Ivar Johnsen, Thomas Correll Jensen, Kristian Hassel, Lisbeth Gederaas

Kapitler og bøker

2019

Biodiversity of Benthic Macro- and Microalgae from Svalbard with Special Focus on Kongsfjorden

Stein Fredriksen, Ulf Karsten, Inka Bartsch, Jana Woelfel, Miriam Koblowsky, Rhena Schumann, Siri Røang Moy, Robert S. Steneck, Józef M. Wiktor, Haakon Hop, Christian Wiencke
p. 331-371
2019

Kelps and Environmental Changes in Kongsfjorden: Stress Perception and Responses

Kai Bischof, Christian Buschbaum, Stein Fredriksen, Francisco J. L. Gordillo, Sandra Heinrich, Carlos Jimenez, Cornelius Lütz, Markus Molis, Michael Y. Roleda, Max Schwanitz, Christian Wiencke
p. 373-422
2015

Alger Cyanophyta, Rhodophyta, Chlorophyta, Ochrophyta

Stein Fredriksen, Frithjof Emil Moy, Vivian Husa, Kjersti Sjøtun, Susanne Claudia Schneider
2010

Origins and fate of inorganic-nitrogen from land to coastal ocean on the Yucatan Peninsula, Mexico

T Mutchler, R.F Mooney, S Wallace, L Podsim, Stein Fredriksen, KH Dunton
p. 283-305
2010

Alger: Cyanophyta, rhodophyta, chlorophyta, ochrophyta

Kjersti Sjøtun, Stein Fredriksen, Erling Heggøy, Vivian Husa, Anders Vidar Langangen, Eli-Anne Lindstrøm, Frithjof Emil Moy, Jan Rueness, Per Arvid Åsen
p. 79-86

Populærvitenskapelige artikler

2012

Ingen regional overgjødsling på Vestlandet

Stein Fredriksen, Vivian Husa, Hein Rune Skjoldal, Kjersti Sjøtun, Hartvig C Christie, Trine Dale, Yngvar Olsen
Havforskningsrapporten
2008

"Grønne lunger" i byen en selvfølge - men hva med det marine nærmiljøet?

Jan Magnusson, H. Christie, Stein Fredriksen, Jan Rueness
Fagrådet for vann og avløpsteknisk samarbeid i indre Oslofjord p. 13-15
2007

Alger som nyttevekster

Fredriksen, Stein
Sopp og nyttevekster 3 p. 10-13

Rapporter og avhandlinger

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
2020

Miljøeffekter ved dyrking av sukkertare (Saccharina latissima) Et taredyrkingsanleggs rolle som kunstig habitat

Ragnhild Ryther Grimm Torstensen, Trine Bekkby, Hege Gundersen, Kasper Hancke, Stein Fredriksen
2020

Et taredyrkingsanleggs rolle som kunstig tareskog. Sammenlikning av faunasamfunn mellom dyrket butare (Alaria esculenta) og naturlig tareskog

Lars Andreas Holm Grünfeld, Trine Bekkby, Hege Gundersen, Kasper Hancke, Stein Fredriksen
2018

Marin gruntvann. Norsk rødliste for naturtyper 2018

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

Hva påvirker variasjon i tetthet av stortare Laminaria hyperborea langs Norges kyst? En analyse fra Norskehavet sør til Skagerrak

Cecilie Smit, Trine Bekkby, Hege Gundersen, Stein Fredriksen
2015

Risikovurdering ved utseting av ikke-stedegen tare

Stein Fredriksen, Kjersti Sjøtun
2011

Vurdering av eutrofisituasjonen i kystområder, med særlig fokus på Hardangerfjorden og Boknafjorden

Stein Fredriksen, HR Skjoldal, Vivian Husa, Yngvar Olsen, Hartvig C Christie, Trine Dale, Kjersti Sjøtun
2006

Marinbiologiske forbedringer av miljøet i Bjørvika/Bispervika. Vurderinger av muligheter

H. Christie, Stein Fredriksen, J. Magnusson, J. Rueness
2005

Tang, tareskog og ålegras som leveområde og økosystem

H. Christie, Stein Fredriksen, Patrik Kraufvelin, K.M. Norderhaug
2002

Nedbeiting av tareskog i Norge. Rapport fra arbeidsgruppe nedsatt av Fiskeridepartementet og Miljøverndepartementet

Egil Sakshaug, Kjersti Sjøtun, Stein Fredriksen, Hartvig Christie, Jan Helge Fosså, Trine Dale, Knut Sivertsen, Nina Hedlund
2002

Nedbeiting av tareskog i Norge. Rapport fra arbeidsgruppe nedsatt av Fiskeridepartementet og Miljøverndepartementet. Rapport til Fiskeridepartementet

Egil Sakshaug, Hartvig Christie, Trine Dale, Jan Helge Fosså, Stein Fredriksen, Nina Hedlund, Knut Sivertsen, Kjersti Sjøtun
1997

The Norwegian North Sea Coastal Water: Eutriphication; Status and trends

Hein Rune Skjoldal, Jan Aure, Torgeir Bakke, Finn Erik Dahl, Stein Fredriksen, John Stuart Gray, Mikal Heldal, Lars Petter Røed, Yngvar Olsen, Karl Tangen, Jarle Molvær
1995

Ytre Oslofjord: Eutrofitilstand, utvikling og forventede effekter av reduserte tilførsler av næringsalter

Hein Rune Skjoldal, Torgeir Bakke, Finn Erik Dahl, Stein Fredriksen, John Stuart Gray, Mikal Heldal, Lars Petter Røed, Yngvar Olsen, Karl Tangen, Jarle Molvær

Faglige foredrag

2021

COASTFRAG - Effekter av fragmentering og tap av habitater på økosystemer i kystsonen og betydningen for b ærekraftig forvaltning i en verden i endring

Trine Bekkby, Michael Burrows, Emma Cebrian, Stein Fredriksen, Jonne Kotta, Martina Milanese, Guri Sogn Andersen, Jordi Boada, Harald Bonaventura Borchgrevink, Marijana Stenrud Brkljacic, Camilla With Fagerli, Hege Gundersen, Kristina Øie Kvile, Siri Røang Moy, Eli Rinde
2021

COASTFRAG – Impact of habitat fragmentation and loss on coastal ecosystems and implications for sustainable management under climate change

Trine Bekkby, Burrows Michael, Emma Cebrian, Stein Fredriksen, Jonne Kotta, Martina Milanese, Guri Sogn Andersen, Jordi Boada, Harald Bonaventura Borchgrevink, Marijana Stenrud Brkljacic, Camilla With Fagerli, Hege Gundersen, Kristina Øie Kvile, Siri Røang Moy, Eli Rinde
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

De allestedsnærværende kalkalgene - et svært, rosa kunnskapshull langs norskekysten?

Eli Rinde, Viviana Peña, Lene LeGall, Marc Angles d'Auriac, Jason M. Hall-Spencer, Steneck Robert S, Janne Kim Gitmark, Vivian Husa, Ellen Sofie Grefsrud, Stein Fredriksen, Trine Bekkby, Hartvig C Christie
2019

Mer mat fra havet?

Fredriksen, Stein
2018

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

ØH Torp, Camilla With Fagerli, Stein Fredriksen, Kasper Hancke, Kjell Magnus Norderhaug
2017

Arctic warming affects kelp forest with associated fauna in Kongsfjorden, Svalbard

Inka Bartsch, Martin Paar, Stein Fredriksen, Haakon Hop, Ragnhild Asmus, Harald Asmus, Katharina Zacher, Kai Bischof, Christian Wiencke
2017

Retreating sea ice in coastal systems – Implications for seaweed communities in Kongsfjorden (Svalbard) and beyond

Kai Bischof, Martin Paar, Stein Fredriksen, Christian Wiencke, Haakon Hop, Inka Bartsch
2015

How can kelp and seagrass beds persist being both food and habitat?

H. Christie, K.M. Norderhaug, Stein Fredriksen, Patrik Kraufvelin
2015

Regime shifts in Norwegian kelp forests

K.M. Norderhaug, Camilla Fagerli, Guri Sogn Andersen, H. Christie, Frithjof Emil Moy, Hege Gundersen, Trine Bekkby, Eli Rinde, Stein Fredriksen, Morten foldager Pedersen, Karsten Dahl
2015

Seaweed Biology in a changing Arctic

Kai Bischof, Inka Bartsch, Katharina Zachler, Stein Fredriksen, Christian Wiencke
2015

Changes in kelp forest biomass and depth distribution in Kongsfjorden (Spitsbergen) reflect Arctic warming

Inka Bartsch, Martin Paar, Stein Fredriksen, Christian Wiencke
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
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

RIGHT OR WRONG CONCLUSION? THE IMPORTANCE OF EQUAL PRECISIONS LEVEL IN BIODIVERSITY STUDIES

Stein Fredriksen, Christian Wiencke
2012

Spatial distribution of epiphytes and mobile fauna on Zostera marina (L.) and Fucus serratus (L.) from the Skagerrak area

Stein Fredriksen, H. Christie, H.L Nilsen, L Sivertsen
2012

M.F. Pedersen, L.B. Nejrup, T.M. Pedersen, Stein Fredriksen
2012

Importance of climate and predation for shifts between sea urchin dominated barren grounds and kelp forests

C.W. Fagerli, K.M. Norderhaug, H. Christie, M.F. Pedersen, Stein Fredriksen
2012

Bentosalgevegetasjonen på Svalbard

Fredriksen, Stein
2011

The algal vegetation in the outer part of Isfjorden, Spitsbergen: a revisit of Per Svendsens sites after 50 years

Stein Fredriksen, Maia Røst Kile
2010

Biodiversitet i tareskog

Fredriksen, Stein
2009

Stortare fra A til Å

Fredriksen, Stein
2008

Tang og tare i Nord

Fredriksen, Stein
2006

Kelp associated epiphytes and their level of biomass production in relation to wave-exposure and season

Guri Sogn Andersen, Stein Fredriksen
2005

Tareskogsforskningen i MARE

Fredriksen, Stein
2002

Biodiversitet i makrofyttsamfunn. Variasjon i tid og rom

Stein Fredriksen, Hartvig Christie
2002

Kelp forest in Western Norway

Fredriksen, Stein
2002

Produksjon av partikulært materiale fra stortare. Mulig næringskilde for krepsdyr i tareskogen?

Fredriksen, Stein
2000

The coast of Norway

Fredriksen, Stein
2000

Norwegian history

Fredriksen, Stein
1999

Food chain studies in a Norwegian kelp forest based on stable carbon isotope analysis

Stein Fredriksen, Jan Rueness

Annet tidsskriftbidrag

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

Mediebidrag

2002

Om tareskogen

Stein Fredriksen, Hartvig Christie
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