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Knut Wiik Vollset

@kwvollset.bsky.social
509 followers 203 following 28 posts

Research professor at NORCE - fisheries biologist with a soft spot for salmonids. @bergentelemetry @yngreforskere alumni; member of @vitenskapsradet scholar.google.no/citations?hl=no&u…

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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 02/09/2025
Interested in tracking data and fine-scale #positioning? Check out our new paper using multilateralization to track brown trout in a hydropower regulated lake in western Norway! 🚨 Read it here: doi.org/10.1111/eff.... 🐟 or check out our website summary: www.bergentelemetry.com/post/new-pap...
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Reposted by Knut Wiik Vollset
Cecilie Iden Nilsen @cecaquatic.bsky.social · 29/08/2025
Just wrapped an incredible fieldwork week at Finse with @kwvollset.bsky.social 🎣 Fieldwork thread 🧵 (1/5)
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Bergen Telemetry Network @bergentelemetry.bsky.social · 14/08/2025
PhD candidate Jessica Robichaud at Cooke lab at @carleton.ca is visiting us for a month to help with field work. Today, she presented her work for our lab. She is using acoustic telemetry to track permit in the Florida keys! So interesting to see some of her findings! 🐟 @sjcfishy.bsky.social
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Lotte S Dahlmo @lottesdahlmo.bsky.social · 18/07/2025
What a week it’s been! I’ve visited @lottepohl.bsky.social & David Casals at @vliz.be in Belgium for our #EMFish project. My first time seeing and tagging a Mustelus asterias - so cool! Thanks for a very fun day on the North Sea! @bergentelemetry.bsky.social @aquatictracking.bsky.social
Tagging of Mustelus asterias
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Bergen Telemetry Network @bergentelemetry.bsky.social · 24/07/2025
Last week @lottesdahlmo.bsky.social visited @lottepohl.bsky.social and David Casals at @vliz.be through their #EMFish acoustic tracking project. Read more about her visit: www.bergentelemetry.com/post/fieldwo... @em-oyster.bsky.social @aquatictracking.bsky.social @oceantracking.bsky.social
bergentelemetry.com
Fieldwork in Belgium
PhD Candidate Lotte S Dahlmo visited two early career researchers at VLIZ in Belgium this week. In the fall of 2023, Lotte Pohl and David Casals, both employed at VLIZ, reached out to Lotte to collabo...
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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 28/07/2025
New paper 🚨 Do pathogens predict salmon survival? In our recently published study on the Endangered Atlantic salmon, we combined acoustic telemetry with pathogen and gene expression profiles. Read the paper here doi.org/10.1002/aqc.... #Salmosalar #Telemetry
doi.org
Pathogen and Gene Expression Profiles of Atlantic Salmon From an Endangered Population
The role of pathogens in impacting the behaviour and fate of salmonids has been studied extensively for some selected pathogens such as sea lice. However, the whole pathobiome of the fish are seldom ...
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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 16/07/2025
We’ve downloaded data from our receivers around Bergen city center for the #BOATS project. Interested to see an example of fine-scale positioning movement data from a tagged European lobster? Check out the BTN website here www.bergentelemetry.com/post/downloa...
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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 10/06/2025
We are now starting the second part of the #NFR_HITLICE project on Senja, Northern Norway, where we infect migrating salmon smolts with salmon lice and tag them with acoustic transmitters with predation sensors to investigate the vulnerability to predation 🐟
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Bergen Telemetry Network @bergentelemetry.bsky.social · 14/02/2025
Beautiful day in field earlier this week deploying receivers in the fjords around Bergen city☀️ These will track some fascinating species that we’re going to tag through some new projects starting this year 🌊🦈🐠 #TrackingNotSlacking @oceantracking.bsky.social @aquatictracking.bsky.social
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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 25/02/2025
Interested in predation? Our #NFR_RePress project investigates the reemerging conflicts between European Otter and Atlantic salmon in Norway. Go check out our webpage for an update of the development of the project: www.bergentelemetry.com/post/progres... Photo credit: Vegard Lødøen
Photo credit: Vegard Lødøen
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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 11/03/2025
We've installed a PIT antenna in Nidelva to track returning Atlantic salmon smolts tagged last year through our #NFR_HITLice project. Smolts were infested with sea lice before release. Low discharge makes drilling the antenna to the riverbed easier, still a river with 3–4°C makes it quite tough!
Anchoring of the PIT antenna to the riverbed during low river dischargePicture of the river Nidelva in Southern Norway with NORCE LFI employee snorkeling to make sure that the antenna is well secured and deployed
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Bergen Telemetry Network @bergentelemetry.bsky.social · 04/03/2025
🚨 New project 🚨 @saveourseas.bsky.social is funding our #SOSF_GhostTrack project - we’re tracking ghost sharks, Chimaera monstrosa, around Bergen city! Read more here: www.bergentelemetry.com/post/excitin... @lottesdahlmo.bsky.social #trackingnotslacking
bergentelemetry.com
Exciting news - we are tracking chimaeras, the ghost shark, in the Bergen city fjords
We received great news from Save Our Seas Foundation that the Ghost Track project will be funded. The ghost shark, Chimaera monstrosa, is a deep water cartilaginous fish that occupies great depths. Th...
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Knut Wiik Vollset @kwvollset.bsky.social · 12/02/2025
Dean Grubbs is visiting our lab and will holding a guest lecture at Univerisity of Bergen. Stop by if you happen to be in Bergen.
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Knut Wiik Vollset @kwvollset.bsky.social · 06/02/2025
eur04.safelinks.protection.outlook.com?url=https%3A...
eur04.safelinks.protection.outlook.com
The multipronged threat to Norwegian wild salmon - The World from PRX
In Norway, the government said this year’s salmon fishing season would be the most restricted ever. That’s because the wild salmon population is in serious decline. That’s partly because of salmon far...
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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 03/02/2025
Interested in predator-prey dynamics & habitat restoration? Check out our new review paper🚨 We discuss the importance of habitat complexity as a refuge, for phenotype variation, energetic costs, & apparent competition - and their implications for restoration. doi.org/10.1111/rec....
doi.org
The role of habitat in predator–prey dynamics with applications to restoration
Habitat is a powerful force in ecosystems, and the quantity and quality of habitat can shape ecosystem structure and function. Among the many important roles that habitat plays is as a mediator of ec...
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Vitenskapelig råd for lakseforvaltning @vitenskapsraadet.bsky.social · 23/01/2025
De siste tre dagene har det nyoppnevnte Vitenskapsrådet vært samlet på Meråker. 11 medlemmer ble oppnevnt på nytt, og tre nye forskere tar fatt på arbeidet sammen med dem. #villaks vitenskapsradet.no/Nyheter/nytt...
vitenskapsradet.no
Nytt vitenskapsråd oppnevnt
Vitenskapelig råd for lakseforvaltning er et uavhengig råd opprettet av Miljødirektoratet, som vurderer bestandsstatus for norsk laks, trusselfaktorer, beskatningsnivå og andre tema som berører villak...
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Reposted by Knut Wiik Vollset
Bergen Telemetry Network @bergentelemetry.bsky.social · 13/01/2025
We spent the last field days in December retrieving receivers for our eel project in Storelva in southern Norway. All found, none lost! Looking forward to starting 2025 digging into the data✨ @tormodharaldstad.bsky.social @kurtjoh.bsky.social
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Bergen Telemetry Network @bergentelemetry.bsky.social · 05/12/2024
Manuscripts drafted and written, revisions done, application sent in, and we even had a GAM crash course - safe to say we can call the third year of writing retreat a success! ❄️
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Johannes Radinger @radingerj.bsky.social · 11/12/2024
🗯️ #Angling 🎣 increases pike timidity and lure avoidance, potentially reducing catch rates 🐟. Our latest study in #Fisheries Management and #Ecology explores these effects and their implications for management strategies. #Fish
media.tenor.com
a man with a mustache is holding a stick and says take the bait
ALT: a man with a mustache is holding a stick and says take the bait
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Will Bugg @wbuggiii.bsky.social · 04/12/2024
Recently out in Science Advances, we compiled and reviewed the evidence surrounding pathogens from salmon aquaculture and their risk to wild Pacific salmon in British Columbia. We highlight pathogen impacts in relation to climate change, evolution & management 🧪🐡🌎🐠 science.org/doi/10.1126/sc…
Paneled figure depicting a) the probability of a viral pathogen PRV detection in Atlantic salmon on salmon farms reaching nearly 100% the longer fish were on farm conditions b) the proportion of PRV positive chinook salmon in relation to distance to an active aquaculture site with PRV fish being more likely to detect closer to aquaculture and c) the global transmission of PRV from Norway and Iceland to British Columbia and Chile.
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Knut Wiik Vollset @kwvollset.bsky.social · 04/12/2024
New publication! "The Pathobiome of Salmo trutta From the North Sea to the Barents Sea". We studied pathogens of sea trout along the Norwegian coast and find remarkable similar pathobiome from north to south. @robertlennox.bsky.social @sjcfishy.bsky.social onlinelibrary.wiley.com/doi/full/10....
onlinelibrary.wiley.com
The Pathobiome of Salmo trutta From the North Sea to the Barents Sea
Aim Salmonids are some of the best studied species with respect to their pathobiome, and at the northern range limit, there is potential for pathogens to expand with both climate change and increase...
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Reposted by Knut Wiik Vollset
Ocean Tracking Network @oceantracking.bsky.social · 28/11/2024
ICYMI 📢 Learn more about a twinning project we're part of—Digital Twin of the Ocean: Animal Tracking (or DTOTrack)—that was recently awarded €2.1m from the European Union Sustainable Blue Economy Partnership to support decision-making & biodiversity conservation in the North Sea tinyurl.com/8t7tw637
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Knut Wiik Vollset @kwvollset.bsky.social · 28/11/2024
A beautiful place to do some writing. Sad that this years writing retreat at Finse is over @lottedahlmann.bsky.social @robertlennox.bsky.social @tormodharaldstad.bsky.social
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Reposted by Knut Wiik Vollset
Lotte S Dahlmo @lottesdahlmo.bsky.social · 26/11/2024
Second day of the BTN writing retreat is a success! We’re taking a break from writing this evening with a crash course on why use GAMs for ecological data like animal tracking 💻📈 @bergentelemetry.bsky.social
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Knut Wiik Vollset @kwvollset.bsky.social · 26/11/2024
The best meeting of the year!
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Knut Wiik Vollset @kwvollset.bsky.social · 25/11/2024
One of the few salmon we have tracking data on during their marine feeding…
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Bergen Telemetry Network @bergentelemetry.bsky.social · 25/11/2024
We’re tagging Atlantic salmon in the #Arctic! PI @tormodharaldstad.bsky.social of the #NFR_NICE project with a tagged salmon being released in #Svalbard 🗻 Read more here: www.bergentelemetry.com/post/update-... #Trackingnotslacking #SalmoSalar
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Knut Wiik Vollset @kwvollset.bsky.social · 22/11/2024
This AI tool to analyze circuli spacing in salmon scale is really impressive. academic.oup.com/biomethods/a...
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Knut Wiik Vollset @kwvollset.bsky.social · 22/11/2024
I’ll be talking about fish and tracking together with Keno Ferter next Thursday! www.uib.no/en/ocean/169...
uib.no
What can we learn by tagging and satellite tracking of fish
Satellite tagging and data logger telemetry have revolutionized our understanding of marine vertebrates, including fish. This empowers researchers to unravel the mysteries of marine life, contributing...
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Reposted by Knut Wiik Vollset
Jacks. Yup! That Damn SOB. 🪶🦬 🐺 🦅 🌎 ⚖️ @palehorse.bsky.social · 19/11/2024
🪶 Less than a month after those dams have come down in the largest dam removal project in US history, salmon are once more returning to spawn in creeks that have been cut off to them for generations.Video shows that hundreds of salmon have made it to tributaries. www.theguardian.com/us-news/2024...
theguardian.com
Salmon are ‘coming home’ to spawn in Klamath River after dams are removed
Years long fight by local tribes has paid off after four dams, which had blocked passage for fish for decades, came down
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Bergen Telemetry Network @bergentelemetry.bsky.social · 19/11/2024
One of the thornback rays that we tagged this fall being released back into the fjord! #NFR_LOST #RajaClavata
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Bergen Telemetry Network @bergentelemetry.bsky.social · 18/11/2024
Exciting news🎉 Our PUFFINS project is receiving funding from the Norwegian Research Council! Building on our BOATS project, we're expanding to track European eel & chimaera around Bergen city center during the next phase of a seabed restoration project led by the Municipality of Bergen. #NFR_PUFFINS
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Knut Wiik Vollset @kwvollset.bsky.social · 19/11/2024
An impressive summary of years of work on the effect amplifying pathogens in fish farms have on wild Pacific salmon. I guess the summary is - it's complicated... www.science.org/doi/full/10....
science.org
Pathogens from salmon aquaculture in relation to conservation of wild Pacific salmon in Canada
Several pathogens of salmon farms may put wild salmon at risk in British Columbia, Canada.
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Lars Brudvig @lars-brudvig.bsky.social · 18/11/2024
Still a few spots left on the Early Career Ecologists starter pack. Please let me know if you'd like to be included! go.bsky.app/Di74bDy
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Bergen Telemetry Network @bergentelemetry.bsky.social · 18/11/2024
Read more and check out the cool video of a chimaera caught on film at 200 meters depth outside of Bergen city center on our website: www.bergentelemetry.com/post/a-new-t... #NFR_PUFFINS
bergentelemetry.com
A new tracking project!!
We recently received amazing news from the Norwegian Research Council (NRC) that our 'Pressures of Urbanisation on Fish and Fisheries in Norway and South Africa (PUFFINS)' project will receive funding...
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Bergen Telemetry Network @bergentelemetry.bsky.social · 18/11/2024
One of the species we’re tracking is the European lobster! This one is tagged with an acoustic transmitter with acceleration sensor🦞🌊 #BOATS
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Knut Wiik Vollset @kwvollset.bsky.social · 18/11/2024
The LOST project is one of our coolest project in the Bergen Telemetry array.
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Aerin Jacob, PhD @aerinj.bsky.social · 16/11/2024
We’re hiring for NINE jobs at Nature Conservancy of Canada (NCC): www.natureconservancy.ca/en/who-we-ar... Some have flexible location anywhere in 🇨🇦. Reading NCC’s website (esp. strategic plan, geographic & thematic work, recent annual reports) always helps to prepare. #ConservationJobs
Screenshot of jobs on the career centre Screenshot of jobs on the career centre
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Florian Altermatt @florianaltermatt.bsky.social · 16/11/2024
Last days to apply: #Postdoc #position in #Groundwater #Biodiversity (2 years) opening up in my group @ Eawag & University of Zurich @romanalther.bsky.social 🦐 🧬 🔬 #biogeography #taxonomy #ecology #amphipods #Niphargus More info & details: apply.refline.ch/673277/1214/... please spread widely!
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Oliver Bossdorf @bossdorf.bsky.social · 15/11/2024
Two amazing jobs at Uni Bern. Assistent professorships in conservation biology and computational ecology. Bern is a wonderful place to live and work in! www.iee.unibe.ch/about_us/job...
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Knut Wiik Vollset @kwvollset.bsky.social · 15/11/2024
www.bergentelemetry.com/post/pace-pr...
bergentelemetry.com
Wild Salmonids Facing Pathogen and Climate Challenges Amid Fish Farm Expansion
As the PACE (Pathogen, Aquaculture, Climate, and Environment) project, funded by the Norwegian Research Council, nears completion, new findings have emerged about the risks facing wild salmonids in northern Norway due to climate change and fish farm expansion.Project OverviewThe study, conducted by researchers from NORCE, NTNU, and DFO (Canada), explores how wild salmonids like Atlantic salmon, sea trout, and Arctic charr are affected by the increasing presence of pathogens linked to fish farmin
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Scott Milne (Milne Technologies) @milnetechnologies.ca · 14/11/2024
#Eel are an endangered spc in Canada too. Safe downstream passage through hydro dams is critical for survival. Our sonar fish tag detection tech monitors Eel bypass efficiency at hydro facilities. #Sonar detects and decodes tags >100 m with 120o field-of-view. #hydroacoustics #tracking
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Knut Wiik Vollset @kwvollset.bsky.social · 14/11/2024
www.bergentelemetry.com/post/tagging...
bergentelemetry.com
Tagging of Eels in Storelva
In September and October, we are tagging migrating silver eels in Storelva in Tvedestrand, Southern Norway. We have previously documented that a significant number of eels pass through the hydropower ...
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Guðbjörg Ásta Ólafsdóttir @fishiceland.bsky.social · 12/11/2024
Fully funded four year PhD position. Drivers of bycatch in Icelandic fisheries. Deadline Dec 4th #TeamFish www.hafogvatn.is/is/midlun/fr...
hafogvatn.is
Doktorsnemi í sjávarlíffræði óskast
Hafrannsóknastofnun óskar eftir að ráða doktorsnema til starfa við rannsóknir í sjávarlíffræði í verkefni sem snýr að þáttum sem hafa áhrif á meðafla sjáva
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John P. Friel, Ph.D. @friel.bsky.social · 12/11/2024
go.bsky.app/LXwgsEZ
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Steven J Cooke @sjcfishy.bsky.social · 13/11/2024
I just posted my last tweet: So long... I will always cherish the many ideas, new connections, and opportunity to interact with a broader community from my time on Twitter/X. It is now time to move on to blue hues. I'll be at sjcfishy.bsky.social and on our lab Facebook page.
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Knut Wiik Vollset @kwvollset.bsky.social · 13/11/2024
www.bergentelemetry.com/post/update-...
bergentelemetry.com
Update from the NICE Project in Svalbard
We have now completed the first year's fieldwork in the NICE project in Svalbard. We have had several successful field trips, including the tagging of char in July, retrieval and deployment of new rec...
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Knut Wiik Vollset @kwvollset.bsky.social · 13/11/2024
New to BlueSky! Hopefully this can be a more interesting social media for #scicomm. Drop me a follow if you are interested in aquatic ecology, fish, salmon, sharks, arctic ecology, marine biology, acoustic telemetry, tracking etc. And check out: www.bergentelemetry.com for our projects.
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Knut Wiik Vollset @kwvollset.bsky.social · 13/11/2024
1/12 🧵New study: “Parasite Scars: The Impact of Salmon Lice Injury on Sea Trout Populations.” Here’s what we found about how lice infestations impact sea trout, especially in Norway’s fjords. royalsocietypublishing.org/doi/10.1098/... #Conservation
royalsocietypublishing.org
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