Kim Aarestrup
@kimaarestrup.bsky.social
Using biotelemetry to understand the fishy underwater world. Applied science and conservation. Technical University of Denmark. Sometimes Professor, most times just Kim.
Is there something at the end of the rainbow?
October 2, 2025 at 9:33 AM
Is there something at the end of the rainbow?
Debunking climate misinformation is becoming a full-time job – but you can help defend the facts.
www.theguardian.com/environment/...
www.theguardian.com/environment/...
Debunking climate misinformation is becoming a full-time job – but you can help defend the facts | Jonathan Watts
The political pushback against positive green progress has been shocking. But as corporations and those in power turn away, the overwhelming majority of people in the world want more ambitious climate...
www.theguardian.com
September 1, 2025 at 11:43 PM
Reposted by Kim Aarestrup
We’re deploying 106 receivers in the inner Oslofjord for the NMBU cod project with @oceantracking.bsky.social. This study tracks migration and movement shifts in two cod ecotypes and assessing habitat changes. Using Thelma and Innovation equipment, an open protocol is key to the project!
March 5, 2025 at 2:28 PM
We’re deploying 106 receivers in the inner Oslofjord for the NMBU cod project with @oceantracking.bsky.social. This study tracks migration and movement shifts in two cod ecotypes and assessing habitat changes. Using Thelma and Innovation equipment, an open protocol is key to the project!
Reposted by Kim Aarestrup
Modtog i 2022 Ebbe Kløvedal Reichs Demokratistafet. Det er en interessant pris for ud over æren, får man den opgave at gøre noget for demokratiet. Jeg skrev bl.a. en lille bog. Den er nu tilgængelig online for den gavmilde pris af 0 kr.
online.fliphtml5.com/gwgkt/dzpl/#...
online.fliphtml5.com/gwgkt/dzpl/#...
Samfundstanker #24: Det er også dit ansvar - når EU ikke redder planeten
online.fliphtml5.com
February 26, 2025 at 10:41 AM
Modtog i 2022 Ebbe Kløvedal Reichs Demokratistafet. Det er en interessant pris for ud over æren, får man den opgave at gøre noget for demokratiet. Jeg skrev bl.a. en lille bog. Den er nu tilgængelig online for den gavmilde pris af 0 kr.
online.fliphtml5.com/gwgkt/dzpl/#...
online.fliphtml5.com/gwgkt/dzpl/#...
Reposted by Kim Aarestrup
Out in the LilleÅ river, to search for spawning grounds for trout, after their spawning season.
The number of spawning grounds can help estimate the status of the population
#salmotrutta #trout #seatrout
@kimaarestrup.bsky.social
The number of spawning grounds can help estimate the status of the population
#salmotrutta #trout #seatrout
@kimaarestrup.bsky.social
February 26, 2025 at 9:10 AM
Out in the LilleÅ river, to search for spawning grounds for trout, after their spawning season.
The number of spawning grounds can help estimate the status of the population
#salmotrutta #trout #seatrout
@kimaarestrup.bsky.social
The number of spawning grounds can help estimate the status of the population
#salmotrutta #trout #seatrout
@kimaarestrup.bsky.social
Just a nice little spawning ground you think. But in fact the first Sea trout to spawn here in 500+ years. And only because barrier at Mill pond further downstream was removed. #riverrestoration
February 24, 2025 at 9:56 PM
Just a nice little spawning ground you think. But in fact the first Sea trout to spawn here in 500+ years. And only because barrier at Mill pond further downstream was removed. #riverrestoration
Yesterday after work walking along local stream looking for this. Can you guess what it is? Hint, it’s not created by humans.
February 14, 2025 at 5:20 AM
Yesterday after work walking along local stream looking for this. Can you guess what it is? Hint, it’s not created by humans.
Reposted by Kim Aarestrup
A Physical Bottleneck Increases Predation on Atlantic Salmon Smolts During Seaward Migration in an Irish Index River. Fish Manag Ecol e12779. doi.org/10.1111/fme....
A Physical Bottleneck Increases Predation on Atlantic Salmon Smolts During Seaward Migration in an Irish Index River
Counting departing smolts and returning adults in index rivers is essential to estimate marine survival and track population trends of Atlantic salmon (Salmo salar). However, mortalities between coun....
doi.org
December 24, 2024 at 1:12 AM
A Physical Bottleneck Increases Predation on Atlantic Salmon Smolts During Seaward Migration in an Irish Index River. Fish Manag Ecol e12779. doi.org/10.1111/fme....
Reposted by Kim Aarestrup
Christmas is spawning time for danish sea trout 🎄
#trout #seateout #spawning #salmotrutta
@kimaarestrup.bsky.social @fishybiologistkim.bsky.social
#trout #seateout #spawning #salmotrutta
@kimaarestrup.bsky.social @fishybiologistkim.bsky.social
December 21, 2024 at 4:22 PM
Christmas is spawning time for danish sea trout 🎄
#trout #seateout #spawning #salmotrutta
@kimaarestrup.bsky.social @fishybiologistkim.bsky.social
#trout #seateout #spawning #salmotrutta
@kimaarestrup.bsky.social @fishybiologistkim.bsky.social
Reposted by Kim Aarestrup
After some delays caused by gas build-up in the chambers, we're finally off to the races! Always satisfying to see all the parts come together :)
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November 29, 2024 at 7:54 PM
After some delays caused by gas build-up in the chambers, we're finally off to the races! Always satisfying to see all the parts come together :)
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Today we downloaded and serviced the acoustic receivers in the last (and smallest) of the three Danish Straits, completing the 2024 downloads. If you have acoustic tagged fish in the Baltic or North Sea and think they could have been detected, check the ETN database. @fishybiologistkim.bsky.social
November 26, 2024 at 9:36 PM
Today we downloaded and serviced the acoustic receivers in the last (and smallest) of the three Danish Straits, completing the 2024 downloads. If you have acoustic tagged fish in the Baltic or North Sea and think they could have been detected, check the ETN database. @fishybiologistkim.bsky.social
Cold fieldwork in Danish chalk stream River Villestrup, trying to recapture adult Sea trout tagged with heart rate loggers. Gin clear water and thousands of Sea trout since dams and weirs were removed a decade ago. @mariepedaccini.bsky.social with a male and female. @fishybiologistkim.bsky.social
November 22, 2024 at 9:54 PM
Cold fieldwork in Danish chalk stream River Villestrup, trying to recapture adult Sea trout tagged with heart rate loggers. Gin clear water and thousands of Sea trout since dams and weirs were removed a decade ago. @mariepedaccini.bsky.social with a male and female. @fishybiologistkim.bsky.social
Yesterday we downloaded and serviced the acoustic Thelma receiver array in The Sound (Øresund) between Denmark and Sweden. Data will be uploaded into the European tracking network database.
November 12, 2024 at 10:50 PM
Yesterday we downloaded and serviced the acoustic Thelma receiver array in The Sound (Øresund) between Denmark and Sweden. Data will be uploaded into the European tracking network database.
Tagging sharks today with acoustic transmitters. Today’s species is Spiny Dogfish. Excited to follow their migration over the next three years with European Tracking Network. @aquatictracking.bsky.social @fishybiologistkim.bsky.social #NorTrack #DtoTrack
October 26, 2024 at 10:51 AM
Tagging sharks today with acoustic transmitters. Today’s species is Spiny Dogfish. Excited to follow their migration over the next three years with European Tracking Network. @aquatictracking.bsky.social @fishybiologistkim.bsky.social #NorTrack #DtoTrack
Reposted by Kim Aarestrup
Reposted by Kim Aarestrup
The Tagliamento River in Italy is under threat from flood protection measures. Please sign this petition if you oppose these actions: docs.google.com/forms/d/e/1F...
September 27, 2024 at 10:57 AM
The Tagliamento River in Italy is under threat from flood protection measures. Please sign this petition if you oppose these actions: docs.google.com/forms/d/e/1F...
Reposted by Kim Aarestrup
The Turnu Măgurele-Nikopol hydropower project on the Lower Danube has been added to the EU's priority investment list, despite the fact it will increase flood risk, threaten protected areas and the survival of critically endangered species, and violate the EU's own policies. Read more:
WWF - European Parliament fails to halt disastrous hydropower project jeopardising local livelihoods and endangered species
wwfcee.org
September 27, 2024 at 12:33 PM
The Turnu Măgurele-Nikopol hydropower project on the Lower Danube has been added to the EU's priority investment list, despite the fact it will increase flood risk, threaten protected areas and the survival of critically endangered species, and violate the EU's own policies. Read more:
Atlantic Bluefin Tuna tagging has started. Tagging with multiple tags.This 282 cm absolute beauty got both a PSAT & an acoustic tag. #ScandinavianBluefinMarathon
September 1, 2024 at 9:43 PM
Atlantic Bluefin Tuna tagging has started. Tagging with multiple tags.This 282 cm absolute beauty got both a PSAT & an acoustic tag. #ScandinavianBluefinMarathon
Tagging these beauties again this year (Picture by Bettina Pedersen). Stay tuned.
August 27, 2024 at 6:14 AM
Tagging these beauties again this year (Picture by Bettina Pedersen). Stay tuned.
Reposted by Kim Aarestrup
Last week's news❗❗
It is maintenance time, we downloaded the 26 #ThelmaBiotel receivers composing our high-precision array located in Cíes Island🏝️
This array is set to detect #OpenProtocol (OP) acoustic transmitters🔎
I cannot wait to see what the fishes have been up to👀🦈
#TrackingNotSlacking
It is maintenance time, we downloaded the 26 #ThelmaBiotel receivers composing our high-precision array located in Cíes Island🏝️
This array is set to detect #OpenProtocol (OP) acoustic transmitters🔎
I cannot wait to see what the fishes have been up to👀🦈
#TrackingNotSlacking
August 24, 2024 at 10:36 AM
Last week's news❗❗
It is maintenance time, we downloaded the 26 #ThelmaBiotel receivers composing our high-precision array located in Cíes Island🏝️
This array is set to detect #OpenProtocol (OP) acoustic transmitters🔎
I cannot wait to see what the fishes have been up to👀🦈
#TrackingNotSlacking
It is maintenance time, we downloaded the 26 #ThelmaBiotel receivers composing our high-precision array located in Cíes Island🏝️
This array is set to detect #OpenProtocol (OP) acoustic transmitters🔎
I cannot wait to see what the fishes have been up to👀🦈
#TrackingNotSlacking
Reposted by Kim Aarestrup
⚠️⚠️ Innovasea has moved to encrypt their coding schemes to ensure that their tags can only be detected by their receivers. Imagine if Apple decided that iPhone users could only call other iPhone users? You could no longer call your friend who owns an Android. Important thread 👇
March 6, 2024 at 11:42 AM
⚠️⚠️ Innovasea has moved to encrypt their coding schemes to ensure that their tags can only be detected by their receivers. Imagine if Apple decided that iPhone users could only call other iPhone users? You could no longer call your friend who owns an Android. Important thread 👇
Very important Update for acoustic telemetry users.
⚠️⚠️ Innovasea has moved to encrypt their coding schemes to ensure that their tags can only be detected by their receivers. Imagine if Apple decided that iPhone users could only call other iPhone users? You could no longer call your friend who owns an Android. Important thread 👇
March 8, 2024 at 1:51 PM
Very important Update for acoustic telemetry users.