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Ole Henriksen

@olehenriksen.bsky.social
1.1K followers 221 following 55 posts

Quantitative biologist, Researcher #DTUAqua #fish #fisheries #ecology #marinebiology #biodiversity

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Ole Henriksen @olehenriksen.bsky.social · 01/05/2026
Some time ago, I wnt on a casual trip to Frøya, Norway. It turned out to be a bit more than just a fun observation… The scientific paper is now out 👉 onlinelibrary.wiley.com/doi/full/10.... Small observations can sometimes open up new questions.
lnkd.in
LinkedIn
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Ole Henriksen @olehenriksen.bsky.social · 13/01/2026
🐟 PhD opportunity in fish biology & experimental ecology 🐡🐡 We’re recruiting a fully funded 3-year PhD, in our new NOW-LUMP project funded by Seabreak. 👩‍🔬👨‍🔬 Supervision team: Jane Behrens, Karin Hüssy & myself You find the position in following link: efzu.fa.em2.oraclecloud.com/hcmUI/Candid...
lnkd.in
LinkedIn
This link will take you to a page that’s not on LinkedIn
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Ole Henriksen @olehenriksen.bsky.social · 22/12/2025
🪸🐠🌬️ Hvad betyder de store havvindmøller for dyrelivet under og over havet? 🌬️🐟🐬 Det har vi skrevet lidt om på @videnskab.dk #forskerneformidler videnskab.dk/naturvidensk...
videnskab.dk
Hvad betyder de store havvindmøller for dyrelivet under og over havet?
Vi har længe formodet, at havvindmøller påvirker marsvin, sæler, fugle og andre dyr. Men efter to årtiers forskning har vi lige så mange spørgsmål og videnshuller som svar.
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Ole Henriksen @olehenriksen.bsky.social · 16/12/2025
🐡 Our feature article on our new project about the #lumpsucker (also known as #lumpfish, Cyclopterus lumpus) is now available in English! 🐡 #teamfish Lead by Jane Behrens funded by @Seabreak 🐡 🐡 Team Lump 🐡 also includes Karin Hüssy & @fishybiologistkim.bsky.social www.aqua.dtu.dk/english/news...
aqua.dtu.dk
DTU Aqua to investigate the biology of an endangered species, funded by Seabreak
The lumpsucker has been overlooked, but knowledge is crucial if we are to protect and preserve it. With financing from the newly founded charity Seabreak, DTU Aqua is starting a pioneering project to map the biology of the lumpsucker and investigate how environmental changes affect its living conditions.
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Ole Henriksen @olehenriksen.bsky.social · 08/12/2025
📢 Paper Alert Impacts of #offshore #wind on ecosystems and marine biodiversity 🌊⚡ 🌬️ Our latest publication from the #SamSkag project is out. It is a systematic review and meta-analysis (2003–2024) on the ecological impacts of offshore wind farms. www.sciencedirect.com/science/arti...
sciencedirect.com
Case-dependent impacts of offshore wind farms on ecosystems: A systematic review and meta-analysis
The need for diversification of energy sources is driving the expansion of offshore wind farms, which is, in turn, amplifying their impact on marine e…
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Ole Henriksen @olehenriksen.bsky.social · 08/12/2025
1 billion detections 🐟🐟🐟🐟🐟🦈🦈🐠🐠🐡🐡 Awesome @fishybiologistkim.bsky.social & @kimaarestrup.bsky.social www.aqua.dtu.dk/english/news...
aqua.dtu.dk
European Tracking Network Reaches Historic Milestone: One Billion Animal Detections
DTU Aqua plays a key role in landmark achievement for aquatic telemetry research. As part of ETN, Danish researchers have tracked fish in Danish waters, and thus contributed to surpassing 1 billion detections of aquatic animals.
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Ole Henriksen @olehenriksen.bsky.social · 20/11/2025
Taxonomy is a foundation of marine science, and it is in trouble 🌊 www.sciencedirect.com/science/chap...
sciencedirect.com
Taxonomy is a foundation of marine science, and it is in trouble
This volume of Advances highlights not only the importance of marine benthic diversity in several regions of the world but also the impediments to des…
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Ken H Andersen @kenandersen.bsky.social · 12/02/2025
Squid die when they reproduce. We estimate that sinking squid carcasses locks away 11-12 Mt carbon/year in the deep oceans. Increasing squid fisheries interrupts this sequestration and sends it to our dinner plates - where it is respired to the atmosphere. www.sciencedirect.com/science/arti...
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Jens-Christian Svenning @jcsvenning.bsky.social · 01/01/2025
The evidence for Homo sapiens playing the dominant role in the global #megafauna #extinctions constitutes one of the clearest, well-supported patterns in #ecology. See our 2024 review www.cambridge.org/core/journal... #paleobiology #archeology #hunting #ecosystem #Pleistocene #defaunation #rewilding
cambridge.org
The late-Quaternary megafauna extinctions: Patterns, causes, ecological consequences and implications for ecosystem management in the Anthropocene | Cambridge Prisms: Extinction | Cambridge Core
The late-Quaternary megafauna extinctions: Patterns, causes, ecological consequences and implications for ecosystem management in the Anthropocene - Volume 2
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Ole Henriksen @olehenriksen.bsky.social · 13/08/2025
#PhD Scholarship in #marine #fish habitats in Denmark ...at DTU Aqua with a very good colleague of mine. #jobalert efzu.fa.em2.oraclecloud.com/hcmUI/Candid...
efzu.fa.em2.oraclecloud.com
PhD Scholarship in marine fish habitats in Denmark - DTU Aqua
We are looking for a motivated PhD candidate to explore how fish distribution and habitats are linked across coastal and offshore waters in Denmark. The project focuses on improving our understanding ...
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Fredrik Ryderheim @fryderheim.bsky.social · 21/04/2025
We wrote a 'quick guide' on the diatom–copepod arms race. Published today in @currentbiology.bsky.social www.cell.com/current-biol...
cell.com
The diatom–copepod arms race
Kiørboe and Ryderheim introduce the competitive arms race between copepods and their diatom prey.
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Ole Henriksen @olehenriksen.bsky.social · 16/05/2025
Sand is not just sand when you are a #sandeel. Read about one of our studies that came out last year in JEMBE. #fish #teamfish @elsevierconnect.bsky.social www.aqua.dtu.dk/english/news...
aqua.dtu.dk
The sandeel's sense of sand
The sandeel plays an important role in the marine ecosystem as a key species in the food chain. Now research shows that sandeels are picky about the sandy bottom where they burrow – and this makes them vulnerable to potential changes to their habitats, which are sand and gravel banks.
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Ole Henriksen @olehenriksen.bsky.social · 15/05/2025
The 2025 report of the Herring Assessment Working Group is now available 🐟 ices-library.figshare.com/articles/rep... If you have expertise in spp such as #herring, #sprat and #sandeel, and would like to contribute and get involved in HAWG, then please get into contact with @icesmarine.bsky.social
ices-library.figshare.com
Herring Assessment Working Group for the Area South of 62°N (HAWG)
Chapter 9, Sandeel in Division 3.a and Subarea 4 and Division 6.a, published 28/02/2025.Chapters 1-14, excluding chapter 8 published 15/05/2025. Chapter 8 (Irish Sea Herring) to be published summer 20...
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Mara Fischer @marafischer.bsky.social · 30/04/2025
My first paper is out! 🥳🐠🐟
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Daniel van Denderen @pdvd.bsky.social · 26/02/2024
New book introduces you to a statistic gamechanger for ecologists www.aqua.dtu.dk/english/news...
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Ken H Andersen @kenandersen.bsky.social · 21/02/2025
We usually think of photosynthetic bacteria as the main N2 fixers in the world's oceans . Using a mechanistic model we estimate that heterotrophic bacteria are responsible for 10% of the global N2 fixation. And it also occurs temperate waters. www.science.org/doi/10.1126/...
science.org
Particle-associated N2 fixation by heterotrophic bacteria in the global ocean
Heterotrophic bacteria fix N2 in more diverse environments than previously thought, critical for the oceanic nitrogen cycle.
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Ole Henriksen @olehenriksen.bsky.social · 08/05/2025
New Head of Department for #DTUAqua www.aqua.dtu.dk/english/news...
aqua.dtu.dk
New Head of Department for DTU Aqua
Professor Anna Rindorf will back innovation in the department as well as society as the new Head of DTU Aqua: ”We need to evolve in spite of an uncertain world.”
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University of Exeter News @uniofexeternews.bsky.social · 25/03/2025
The amount of carbon released by seabed fishing worldwide is uncertain and must be urgently investigated, researchers say Read our press release 👉 news.exeter.ac.uk/faculty-of-e... Full paper 👉 onlinelibrary.wiley.com/doi/full/10.... @exeter.ac.uk @exetermarine.bsky.social
news.exeter.ac.uk
Climate cost of global trawling still uncertain
The amount of carbon released by seabed fishing worldwide is uncertain and must be urgently investigated, researchers say. Convex Seascape Survey scientists are studying the impact of fishing methods ...
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Ole Henriksen @olehenriksen.bsky.social · 11/03/2025
Jeg kan konstatere, at der er andre fagfolk i Sverige som er nået frem til samme konklusion som DTU Aqua. HaV lukker fiskeriet efter stenbider (aka sjurygg) i alle svenske farvande fra 15. marts of frem.
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Ole Henriksen @olehenriksen.bsky.social · 11/03/2025
DTU Aqua sammen med Danmarks Fiskeriforening igangsat et forsøgsfiskeri. Hvis du ser eller fanger en mærket #stenbider, så må du gerne indrapporterer oplysninger om fisken. Læs mere om forsøgsfiskeriet, projekt, og baggrund for lukning af stenbiderfiskeriet her 🐟 www.fiskepleje.dk/nyheder/nyhe...
fiskepleje.dk
Ser du en stenbider med mærke? Så giv DTU Aqua besked - Fiskepleje.dk
Stenbiderfiskeri er forbudt i 2025 på grund af stor usikkerhed om bestandens tilstand. DTU Aqua mærker nu stenbidere for at få mere viden. Fanger du en stenbider med mærke, vil DTU Aqua gerne høre fra...
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Ole Henriksen @olehenriksen.bsky.social · 10/03/2025
WWF's magasin Levende #Natur er ude for marts, og her er jeg sammen med @tksorensen.bsky.social & fisker Søren fra @FSK_Forening med i en artikel om #stenbider i Dansk farvand. #dknatur #dkfisk #dkhav Læs med her: wwf.dk/nyhed/stenbi... Find deres udmærkede magasin her: wwf.dk/forstaa-natu...
wwf.dk
Stenbiderens skæbnestund - WWF Danmark
I mere end tyve år er Søren Jacobsen stævnet ud fra havnen i Helsingør i sin fiskekutter. Langs Nordsjællands kyster (...)
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juli g pausas @jgpausas.bsky.social · 16/02/2025
Another great paper emphasizes that we live in a world analogous to an herbivore exclusion experiment (sensu besjournals.onlinelibrary.wiley.com/doi/10.1111/...) By @skjoldsoendergaard.bsky.social @r-ejrnaes.bsky.social aes.bsky.social @jcsvenning.bsky.social g.bsky.social @oikosjournal.bsky.social
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Ole Henriksen @olehenriksen.bsky.social · 16/02/2025
🐟🐟 Spændende artikel af Flora Juul Ørskov i Børsen om stenbiderens fremtid og fiskeriets udfordringer. Udover fiskeriet, så kommenterer jeg her lidt på, hvad jeg ser af forandringer, bl.a. klimaets betydning for stenbiderbestanden. borsen.dk/nyheder/plea...
borsen.dk
Dansk stenbiderrogn er kendt som nordens kaviar, men nu er det forbudt
Dansk stenbiderrogn er kendt som nordens kaviar, men nu er det forbudtNordens kaviar kalder man stenbiderens æg. Dyrebare, rosafarvede perler, som sprænger på tungen med et kildrende, uhørligt smæld.&
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Ole Henriksen @olehenriksen.bsky.social · 14/02/2025
Read more about DTU's Msc #Ocean Engineering www.aqua.dtu.dk/english/news...
aqua.dtu.dk
First graduates in Msc Ocean Engineering ready for the world
DTU’s new master education in ocean engineering has hatched it’s first two candidates. They have obtained a unique interdisciplinary combination of knowledge of marine environment and offshore constru...
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Ole Henriksen @olehenriksen.bsky.social · 22/01/2025
Need some stats & methods for your ecological/biological dataset? Alain Zuur & Co. is coming to #DK - Introduction to #GAMM and #GLMM with R. #DTU, Lyngby, Denmark. 10-14 Feburary 2025. #ecology #statistics #biology You can join the course in person or online here: www.highstat.com/index.php/jo...
highstat.com
In-person or online participation: Introduction to GAMM and GLMM with R. DTU, Lyngby, Denmark. 10-14 Feburary 2025
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Ole Henriksen @olehenriksen.bsky.social · 09/01/2025
#JobAlert 🌊 #Postdoc position on "Mapping aquatic resources in a changing climate" at SLU www.slu.se/en/about-slu...
slu.se
Jobs and vacancies at SLU. | slu.se
Jobs and vacancies at SLU. Read more about each job by clicking the job title. Please, follow the instructions closely when applying.
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Ole Henriksen @olehenriksen.bsky.social · 07/01/2025
@zetland.dk har en meget fin artikel ude om stenbideren. Jeg er selv med, sammen med @svend-erik.bsky.social, Ted og @tksorensen.bsky.social 🐟 Artiklen tager fat i flere kendte problemstillinger Lyt 🎧 eller læs 👀 med #dkfisk #dknatur #dkhav www.zetland.dk/historie/sH0...
zetland.dk
Stenbiderens skæbnefortælling er tidens naturdrama. En konflikt mellem dem, som skal redde naturen, og dem, som lever af den
Farvel til de små blå kuttere?
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Ole Henriksen @olehenriksen.bsky.social · 06/01/2025
🌊 News feed from the #MARHAB Project funded by #HorizonEU lead by Havforskningsinstituttet 🌊 Dive into the core of our efforts across five pivotal work packages. #MarineConservation #Ecosystem #SustainableOceans #MarineBiodiversity 1/ www.hi.no/en/hi/forskn...
hi.no
MARHAB – The Marine Habitats Project
Skagerrak and Kattegat - two corners of our seas strongly impacted by human activities after centuries of use. How are these areas affected by the loss of large...
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ICES - International Council for the Exploration of the Sea @icesmarine.bsky.social · 06/01/2025
🎣 Is marine recreational fishing underrepresented in Europe? 🌍 ✍️ The latest #IJMS #EditorsChoice highlights how better governance could unlock its social and economic potential while protecting marine ecosystems. 🌊 youtu.be/tNRmteV1kGo?... 👉 Read more: doi.org/10.1093/ices...
youtu.be
Effective governance of marine recreational fisheries in Europe
YouTube video by ICES - International Council for the Exploration of the Sea
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Ole Henriksen @olehenriksen.bsky.social · 19/12/2024
#JobAlert at DTU Aqua 🌊 Senior #Researcher and Head of section for #Ocean #Science 🌊🌊🌊 Please share #DTUAqua efzu.fa.em2.oraclecloud.com/hcmUI/Candid...
efzu.fa.em2.oraclecloud.com
Senior Researcher and Head of section for Ocean Science - DTU Aqua
Leader of the Section of Ocean Science at DTU Aqua. We seek a senior researcher (or higher-level academic profile) with documented experience in personnel leadership and management as well as a resear...
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Lachlan Fetterplace @fiskeforbrains.bsky.social · 17/12/2024
Shiny new paper from @danielrooth.bsky.social in the African Journal of Marine Science! 🧪🌎🦑🦈 "Predator avoidance by mesopredatory benthic #sharks in response to potential predators in a natural environment" Snippet of #BRUV footage from the study here (more via link) doi.org/10.2989/1814...
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Ole Henriksen @olehenriksen.bsky.social · 17/12/2024
Our PhD just published a cool paper on predator-prey interactions where two species of smaller benthic #sharks their predators. The smaller sharks freeze in the presence of a #predator ( #shark or #seal) 🦈 🦈-awesomeness Check It Out - the publication is accompanied by cool #BRUV video fortage ! 🦈
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Fredrik Ryderheim @fryderheim.bsky.social · 20/08/2024
Quick break from my parental leave to share our new paper on the copepod-diatom arms race. www.pnas.org/doi/10.1073/...
pnas.org
A siliceous arms race in pelagic plankton | PNAS
Coevolution between predator and prey plays a central role in shaping the pelagic realm and may have significant implications for marine ecosystems...
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Kim Birnie-Gauvin, PhD @fishybiologistkim.bsky.social · 04/12/2024
There’s been a migration of folks over here so I thought I’d say hi! 👋 I’m a fish ecophysiologist, studying when & why fish are vulnerable (climate, catch-and-release), movements, and the habitats they rely on using both experimental approaches and telemetry, in the wild! 🐟🦈 www.kimbirniegauvin.com
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Thomas Kirk Sørensen @tksorensen.bsky.social · 26/11/2024
Ministeren leder efter an “balanceret løsning”. politiken.dk/danmark/art1...
politiken.dk
Ministeriets rådgivere er klare i spyttet. Vi skal holde op med at fange stenbidere
Fiskeriministeriet bad fiskeeksperterne i DTU Aqua om rådgivning. Nu er det utvetydige svar landet.
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Ole Henriksen @olehenriksen.bsky.social · 16/12/2024
Hi do you know Tommy Norin, @tnorin.bsky.social - 4 fun facts 1. he loves beer 🍺 2. is a Senior Researcher in #fish ecophysiology at #DTUAqua 3. he dreams about metabolic rates and scaling 🐟 4. his most cited paper is onlinelibrary.wiley.com/doi/full/10....
onlinelibrary.wiley.com
Measurement and relevance of maximum metabolic rate in fishes
Maximum (aerobic) metabolic rate (MMR) is defined here as the maximum rate of oxygen consumption (O2max) that a fish can achieve at a given temperature under any ecologically relevant circumstance. D...
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Ole Henriksen @olehenriksen.bsky.social · 16/12/2024
Are you an early career researcher in #marine #science interested in learning more about scientific publishing and editing? Apply to be mentored with ICES JMS! www.ices.dk/news-and-eve... #ECS @icesmarine.bsky.social
ices.dk
IJMS Mentorship for Early Career Scientists
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Ole Henriksen @olehenriksen.bsky.social · 12/12/2024
Fish of the Ammodytidae family aka #sandeel and #sandlance are just cool #teamfish
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Ruth Thurstan @ruththurstan.bsky.social · 05/12/2024
New paper out TODAY in @consletters.bsky.social led by Dr Philine zu Ermgassen. Applying the IUCN #Ecosystem #RedListing criteria to historical & recent data, we find that European native oysters (O. edulis) are #Collapsed. Open access paper at lnkd.in/dJbbkzEa. Image: Maria Eggertsen
An imagining of a historical native oyster reef and associated biodiversity, generated from historical written descriptions and created by Dr Maria Eggertsen.
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Ciarán McLaverty @ciaranmc.bsky.social · 20/11/2024
Time for a change! Hey👋 I'm Ciaran and I research the effects of human activities on marine ecosystems I collect ecological data to examine how bottom trawling impacts seabed communities 🦀🐛🐟 & I now work with historical data to estimate human disturbance to shelf sea sediments back in time 🌍
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Jan Geert Hiddink @jangeerthiddink.bsky.social · 23/07/2024
We examined historical information (e.g. maritime history, naturalists' accounts, recipes, nautical charts and newspapers) across the 13th–20th century for a wide range of species to document their long-term trajectories in Wales onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Century‐scale loss and change in the fishes and fisheries of a temperate marine ecosystem revealed by qualitative historical sources
Century-scale changes in principal fishery species, as revealed by rich qualitative historical sources. The plot shows the main species landed in four ports in northern Wales (Irish Sea, UK) in three...
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Poul Holm @poulholm.bsky.social · 16/10/2024
My new paper Explaining major shifts in early-modern economies: the causes for the decline of the North Sea Fisheries of Southwest Denmark, 1537–1650 @eseh.bsky.social @openaccessarch.bsky.social www.tandfonline.com/doi/full/10....
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Nick Dulvy @nickdulvy.bsky.social · 12/12/2024
The '90s wasn't all bad. Some of the papers in this hard-to-find Symposium volume presaged much of what a lot of use work on today. I still think about how to test the Branstetter theory that shark offspring size is driven by predation risk. #SharkScience
Cover of Pratt et al. 1990 symposium volume on Elasmobranchs as living resources.
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Magne P. Flemmen @magneflemmen.bsky.social · 12/12/2024
🚨 Last call! 🚨 PhD course on Multiple Correspondence Analysis in Oslo, 13–16 January 2025. Learn this fascinating technique for structural & relational analysis. No prior knowledge required! 🧑‍🎓 🗓️ Application deadline: Monday 👉 Please repost to spread the word!
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Ole Henriksen @olehenriksen.bsky.social · 27/11/2024
Jeg har udtalt mig om stenbider i @politiken.dk på baggrund af et notat som vi har udarbejdet på DTU Aqua. Vi har anbefalet, at der ikke landes #stenbider i 2025. politiken.dk/danmark/art1... Kort opsummering 🧵 1/ #dkfisk #dknatur #dkgreen #dkhav
politiken.dk
Ministeriets rådgivere er klare i spyttet. Vi skal holde op med at fange stenbidere
Fiskeriministeriet bad fiskeeksperterne i DTU Aqua om rådgivning. Nu er det utvetydige svar landet.
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Dr Margaux Steyaert 🪸 @margauxsteyaert.bsky.social · 25/11/2024
A list of #marinebiology starter packs! 🌊 go.bsky.app/4PTX62K Marine Ecology go.bsky.app/RS5zQHv Marine Biologists I go.bsky.app/8DoyTMs Marine Biologists II go.bsky.app/Qo5Gh2H Coral reef science go.bsky.app/E8vrnd6 LGBTQIA+ Grads go.bsky.app/7MdiLgo Ocean Women go.bsky.app/4wMsfX4 Ocean Women II
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Ole Henriksen @olehenriksen.bsky.social · 25/11/2024
Den er også én af flere fiskearter som vi fremhæver i vores Policy Brief - en del af SamSkag-projektet #dkfisk #dknatur 🐟 Fiskebestandene i #Skagerrak og forvaltningsmæssige udfordringer - pub.norden.org/nord2024-032/
pub.norden.org
Fish stocks in Skagerrak with management shortcomings
Skagerrak is a unique ecosystem with a large diversity of habitats and species, but the management of the fisheries resources has shortcomings.
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John P. Friel, Ph.D. @friel.bsky.social · 12/11/2024
go.bsky.app/LXwgsEZ
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