Kjell Magnus Norderhaug
Publications
Academic articles
2024
Carbon stocks in Norwegian eelgrass meadows across environmental gradients
Scientific Reports
14
2024
The International Union for Conservation of Nature Red List does not account for intraspecific diversity
ICES Journal of Marine Science
2024
Marine protected areas can be useful but are not a silver bullet for kelp conservation
Journal of Phycology
60
p. 203-213
2022
Leveraging the blue economy to transform marine forest restoration
Journal of Phycology
58
p. 198-207
2022
Kelp carbon sink potential decreases with warming due to accelerating decomposition
PLoS Biology
20
2022
Efficient spatial kelp biomass estimations using acoustic methods
Frontiers in Marine Science
9
2021
Niche and neutral assembly mechanisms contribute to latitudinal diversity gradients in reef fishes
Journal of Biogeography
48
p. 2683-2698
2021
Homogenization and miniaturization of habitat structure in temperate marine forests
Global Change Biology
2021
Large-scale salmon farming in Norway impacts the epiphytic community of Laminaria hyperborea
Aquaculture Environment Interactions
13
p. 81-100
2020
Ecosystem-level effects of large-scale disturbance in kelp forests
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
Ambio
50
p. 163-173
2020
Marine heatwaves and the collaps of marginal North Atlantic kelp forests
Scientific Reports
10
2020
Green gravel: a novel restoration tool to combat kelp forests decline
Scientific Reports
10
p. 1-7
2020
Sharing the neighbourhood: assessing the impact of kelp harvest on foraging behaviour of the European shag
Marine Biology
167
2020
Achieving Reliable Estimates of the Spatial Distribution of Kelp Biomass
Frontiers in Marine Science
7
2020
Detrital carbon production and export in high latitude kelp forests
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
Journal of Marine Systems
203
p. 1-15
2020
Carbon export is facilitated by sea urchins transforming kelp detritus
Oecologia
192
p. 213-225
2019
Toward a coordinated global observing system for seagrasses and marine macroalgae
Frontiers in Marine Science
6:317
p. 1-26
2019
Arctic kelp forests: Diversity, resilience and future
Global and Planetary Change
172
p. 1-14
2019
Can multitrophic interactions and ocean warming influence large-scale kelp recovery?
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?
Polar Biology
42
p. 557-567
2018
Soft bottom benthos and responses to climate variation and eutrophication in Skagerrak
Journal of Sea Research
141
p. 83-98
2018
Movement of pulsed resource subsidies from kelp forests to deep fjords
Oecologia
187
p. 291-304
2018
Will altered climate affect a discrete population of the sea urchin Strongylocentrotus droebachiensis?
Journal of Sea Research
132
p. 24-34
2018
Will altered climate affect a discrete population of the sea urchin Strongylocentrotus droebachiensis?
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
Scientific Reports
6
2016
Genetic diversity of the NE Atlantic sea urchin Strongylocentrotus droebachiensis unveils chaotic genetic patchiness possibly linked to local selective pressure
Marine Biology
163
2016
Status, trends and drivers of kelp forests in Europe: an expert assessment
Biodiversity and Conservation
25
p. 1319-1348
2016
Global patterns of kelp forest change over the past half-century
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
Marine Ecology Progress Series
530
p. 29-46
2015
Population dynamics of Strongylocentrotus droebachiensis in kelp forests and barren grounds in Norway
Marine Biology
162
p. 1215-1226
2015
Global regime shift dynamics of catastrophic sea urchin overgrazing
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
Marine Biology Research
11
p. 375-384
2014
New microsatellite loci for the green sea urchin Strongylocentrotus droebachiensis using universal M13 labelled markers
BMC Research Notes
7
2014
Predators of the destructive sea urchin grazer Strongylocentrotus droebachiensis on the Norwegian coast
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
PLOS ONE
9
2014
Importance of wave and current exposure to fauna communities in Laminaria hyperborea kelp forest
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
Marine Ecology Progress Series
506
p. 61-70
2014
Comparing the ecological relevance of four wave exposure models
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
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
Marine Ecology Progress Series
451
p. 45-60
2012
Does the diversity of kelp forest macrofauna increase with wave exposure?
Journal of Sea Research
69
p. 36-42
2011
Secondary production in a Laminaria hyperborea kelp forest and variation according to wave exposure
Estuarine, Coastal and Shelf Science
95
p. 135-144
2011
Does the amphipod fauna associated with epiphytes on kelp (Laminaria hyperborea) change with depth?
Marine Biology Research
7
p. 224-234
2009
Sea urchin grazing and kelp re-vegetation in the NE Atlantic
Marine Biology Research
5
p. 515-528
2009
Identifying Rocky Seabed Using GIS-Modeled Predictor Variables
Marine Geodesy
32
p. 379-390
2004
Use of red algae as hosts by kelp-associated amphipods
Marine Biology
144
p. 225-230
2003
Vegetation and production mosaics of wooded hay meadows
?
p. 51-60
2003
The trophic importance of Laminaria hyperborea to kelp forest consumers and the importance of bacterial degradation on food value
Marine Ecology Progress Series
255
p. 135-144
2002
Colonisation of kelp imitations by epiphyte and holdfast fauna; a study of mobility patterns
Marine Biology
141
p. 965-973
Other journal contributions
2021
Våre blå skoger er i dårlig tilstand
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
Marine Biology
163
p. 160-161
2014
Tareskogen – viktig råstoff og verdifullt økosystem
Brønnøysund Avis
p. 18-19
Academic lectures
2023
Overfishing caused the largest sea urchin grazing event observed in the NE Atlantic
International Temperate Reef Symposium Hobart, Tasmania
2019
Carbon export is facilitated by sea urchins transforming kelp detritus.
Oecologia
online
2019
Arctic kelp forests: Diversity, resilience and future.
Global and Planetary Change
172
p. 1-14
2019
Can multitrophic interactions and ocean warming influence large‐scale kelp recovery?
Ecology and Evolution
9
p. 2847–2862
2019
Toward a coordinated global observing system for marine macrophytes. Systematic Review
Front Mari Sci
6
p. 317
2019
Effekter av klimaendringer i kystøkosystemene
Miljødirektoratet forskningskonferanase
2019
Norwegian kelp forests
Cape Town aquarium, South Africa
Scientific lectures
2023
The Value of the World’s Kelp Forests
2023
Valuation methods and evidence for ecosystem services from kelp forests
2023
The value of kelp forests for supporting fisheries
2023
Overfishing caused the largest sea urchin grazing event observed in the NE Atlantic
2023
Status for tareskog i nord
Fjord i Nord, Tromsø
2022
Ecosystem services of kelp in Scandinavia
2022
Macroalgae aquaculture - A new blue industry in Norway
2022
Den blå skogen er viktigere enn du tror
2022
Efficient spatial kelp biomass estimations using acoustic methods
Frontiers in Marine Science
9
2022
Leveraging the blue economy to transform marine forest restoration.
Journal of Phycology
58
p. 198-207
2022
Kelp carbon sink potential decreases with warming due to accelerating decomposition
PLoS Biology
20
2022
Macroalgae aquaculture - A new blue industry in Norway
The swedish science academy KSLA
2022
The blue forest
The norwegian science academy
2022
The big sea urchin invasion
University of Agder at Arendals week
2022
Blue carbon and nature based solutions
Ministry of climate and environment
2022
The scientific basis for MPAs
Ministry of trade and fishery
2019
Added values from the large-scale and long-lasting program for mapping marine habitats
2019
Sea urchin grazing of kelp forests in the Arctic and the impact on the recovery of rocky shore communities after oil spills
2018
Factors affecting Saccharina latissima, concerning growth, recruitment and competition.
2018
Marint gruntvann
2016
National report status. Presentation at OSPAR working group meeting
2016
Interactive dynamics between abiotic factors, sea urchins and kelp forests
2015
Kystøkosystemet
2015
Kystøkosystemer i endring
2015
Understanding variation and changes in kelp forest ecosystems using modelling approaches
2014
Storskala endringer i tare-kråkebolle systemet. Endringer i klima og predasjon på flere nivåer gir spennende økologiske og forvaltningsmessige perspektiver.
2014
Kunnskapsbasert forvaltning krever bruk av ny kunnskap. Hvordan få dette til for høsting av stortare i Sør-Trøndelag?
2014
Effects from climate and eutrophication on the diversity of hard bottom communities on the Skagerrak coast 1990-2010
2014
Recovery of grazed kelp forests in northeast Atlantic - the influence of climate change and environmental factors
2013
Climate Change and Large Scale shifts in the Geographical Distribution of NE Atlantic Kelp Forests
2013
GENVAR: Genetic variability between sea urchin populations
2013
Gjenvekst - Restitusjon av tareskogøkosystemet
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
2013
Variation in kelp size and kelp associated biodiversity as a function of latitude, depth, and exposure for waves and currents
2013
Climate Change and Large Scale shifts in the Geographical Distribution of NE Atlantic Kelp Forests
2012
HvalerKoster-piloten. Et prosjekt under "Hav møter land"
2012
The effect of wave and current exposure on kelp (Laminaria hyperborea) structure and associated algae and fauna communities
2012
The effect of wave and current exposure on kelp (Laminaria hyperborea) structure and associated algae and fauna communities
Poster
2017
Fish Assemblages in Coastal Vegetation
2016
Effect of wave exposure and current speed on kelp morphology and the associated fauna communities
2012
The coastal monitoring programme - how is eutrophication and climatic change affecting the coastal ecosystem?
2012
Soft bottom communities and responses to climatic change and wutrophication in Skagerrak during a period of twenty years
2012
The Norwegian Coastal Monitoring Programme (1990-p.t.): Effects of eutrophication and climatic change on rocky bottom macro algea and sessile fauna
2010
Modelling kelp forest distribution in Norway
Reports and dissertations
2024
Liste over forvaltningsrelevante naturenheter - Oppfølgende informasjon til rapporten "Forvaltningsrelevante naturenheter i sjø"
Rapport fra havforskningen
2024
Raet nasjonalpark — Kunnskap og råd for bevaring av marint naturmangfold
Rapport fra havforskningen
2024
Pilotprosjekt for vurdering av samlet påvirkning i Oslofjorden – ytre del
Rapport fra havforskningen
2023
Into the Blue: Securing a Sustainable Future for Kelp Forests
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.
2023
Tilstandsvurdering av Høstefelt for Stortare i Rogaland og Vestland i 2023
Rapport fra havforskningen
2023
Status for miljøet i norske havområder - Rapport fra Overvåkingsgruppen 2023
2023
Effekter av bunntråling - Sammenstilling av kunnskap om bunnpåvirkning fra trål og snurrevad relevant for norske farvann
2022
Metoder for kartlegging av oppvekstområder for kystnære bestander av fisk
2021
Background Document for Kelp Forests habitat
2021
Bærekraftig taretråling - Vurdering av bærekraftskriterier ved Vikna
2021
Miljøpåvirkning fra dyrking av makroalger — Risikovurdering for norske farvann
2021
Krafttak for kysttorsken - Kunnskap for stedstilpasset gjenoppbygging av bestander, naturtyper og økosystem i Færder- og Ytre Hvaler nasjonalparker
2020
ØKOKYST – delprogram Klima. Årsrapport 2019
2020
Mot en ny havnæring for tare? : Muligheter og utfordringer for dyrking av alger i Norge
2020
Biomassemodell for stortare - Ressursmodell for fremtidens forvaltning
2020
Tareundersøkelser i Nordland i 2019
2019
ØKOKYST - delprogram Klima. Årsrapport 2018.
2018
ØKOKYST-delprogram Klima. Årsrapport 2017.
2018
Tareundersøkelser i Nordland i 2018
2018
Kystvann, Svalbard. Norsk rødlista for naturtyper 2018.
2018
Marin gruntvann. Norsk rødliste for naturtyper 2018
2018
Tareundersøkelser i Nordland i 2017
2018
Tareundersøkelser i Nordland i 2017
IMR report
p. 50
2017
Vurdering av egnethet av utslippsindikator for næringssalter og organisk materiale på produksjonsområdenivå
2016
Eutrophication status for Norwegian waters. National report for the third application of OSPARs Common Procedure
2015
Miljøundersøkelser rundt vraket av MS Server
2015
Videreutvikling av makroalgeindeksene for klassifisering av miljøtilstand i kystvann
2014
Tallknusing av sukkertaredata
2014
Miljødirektoratets tallknuserprosjekt: Tallknusing av sukkertaredata
2013
Effects of environmental factors and Echinus esculentus sea urchins on the density of epiphytic macroalgae on kelp (Laminaria hyperborea) stipes
2011
Utredning om CO2-opptak i marine naturtyper
2007
Spatial prediction of Laminaria hyperborea at the Norwegian Skagerrak coast
Net reports
Net reports
- Liste over forvaltningsrelevante naturenheter
- Raet nasjonalpark
- Pilotprosjekt for vurdering av samlet påvirkning i Oslofjorden – ytre del
- Status for miljøet i norske havområder
- Effekter av bunntråling
- Metoder for kartlegging av oppvekstområder for kystnære bestander av fisk
- Bærekraftig taretråling
- Miljøpåvirkning fra dyrking av makroalger
- Krafttak for kysttorsken
- Mot en ny havnæring for tare?
- Tareundersøkelser i Nordland i 2019
- Biomassemodell for stortare
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