Christian Tsangarides
@LowImpactFish
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Baltic & North Sea coordinator at @LIFEplatformEU Vice-Chair of the Baltic Sea Advisory Council GA
Stockholm, Sweden
Joined February 2022
The EU and Sweden prefer to use our herring for salmon farms in Norway causing their own wild salmon to lack food and collapse. It seems obvious that this self-sabotage should end but DG Mare, HaV and ICES have proved incompetent.
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RT @LIFEplatformEU: Small-scale fisheries, fisheries science and management practices: only 2 days before our event on the ongoing #Baltic…
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RT @LIFEplatformEU: Baltic Sea #Emergency : join us in #Brussels on 26 June to jointly tackle with #fishers, @EU_MARE and fisheries experts…
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@SustainFishUW @Macomabalthica Their idea seems to be that management and industry prioritise natural resource productivity and move away from focus on yield extraction. Which seems like a good idea if I've understood them correctly.
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@DWestlen Detta är lovande om det inkluderar pelagisk trålning av sill och skarpsill som står för mer än 95% av trålningen längs den svenska kusten. Omfattar förslaget trålningen av sill, strömming och skarpsill? Är det riktat mot bara spätta och flundra är det inte ambitiös.
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RT @DValentinsson: @mazeson Och läs ännu mer både om de nya råden från ICES för Östersjön 2025 och vår uppdaterade fördjupning (FAQ) om sil…
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@DValentinsson @mazeson @Slu_ Det var bra att läsa, särskilt om centrala sillen, men ni underskattar hur allvarlig situationen för skarpsill är. 3 år i rad med den lägsta rekryteringen någonsin (överlägset). Det måste vara rubriken. Ett enormt problem & förmodligen en del av orsaken till sillens förbättring
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all fisheries scientists and managers should understand this.
2/2 In particular, the part of the video starting around 9 min. It is so important to understand that there are many "real world" things where 1,000 simulations tells you **nothing** about what the tails look like.
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RT @mikeandallie: 1/2 This relatively short video from @nntaleb from almost 10 years ago has one of the most important math lessons that I…
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Not just a victory for seabirds but also for fishers who depend on thriving stocks & sufficient prey. Sincerely hope the EU follows suit and implements similar measures throughout our seas. Sidenote - in the Baltic sandeel catches are completely unregulated (albeit small).
HUGE NEWS: After 25 years of tireless campaigning, we're thrilled to announce the closure of industrial sandeel fishing in the English North Sea! 🎉 This is a big win for seabirds like Puffins & Kittiwakes. Thank you to all our supporters who made their voices heard 💙
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RT @Natures_Voice: HUGE NEWS: After 25 years of tireless campaigning, we're thrilled to announce the closure of industrial sandeel fishing…
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Det aldrig har funnits så lite strömmingbiomass i Bottenhavet. Enligt ICES: “In 2022, 99% of the Swedish catches came from trawls, 1% from gillnets and 0.03% from other fishing gears.” Känns förvirrande att ministern hävdade att beslutet var till för att hjälpa kustfiskare.
Bra. Strömmingskvoten är inte i linje med EU:s fiskeripolitik. Enligt denna ska bestånden ligga över (artikel 2.2) den nivå som producerar s k Maximal Hållbar Avkastning, absolut inte under B-lim - gränsen för riskerad kollaps. Solklart vilseledande.
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@PFA_eu A healthy stock size for this herring is about 3.3 million tonnes. We are very far below that. The graph in your picture doesn't show what Bmsy is. Over that threshold is when we are "fishing the interest".
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One day we will get a Baltic paper! It may be the simplest ecosystem in terms of species diversity but we still lack science. Cod is a choke species for plaice (and pelagic species), while herring should limit the sprat fishery. No mixed fishery analysis = keep on overfishing!
🚨 Advice release: ICES advice to @EU_MARE, @NFdep & @DefraGovUK on mixed-fisheries considerations is out today. (1/2) 🐟 Bay of Biscay: 🐟 Celtic Sea: 🐟 Greater North Sea:
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Would like to read this! In Europe current HRC is totally biased against coastal fishermen. Modelling and management are short-term yield focused. Population structures get truncated and we have a lack of big fish problem.
@christophgriff5 @FormasForsk @_SLU @SLU_aqua @FishFishJournal Nice work! My student @JoshuaZahner has been testing a harvest control rule based on the biomass of big fish in a herring population, instead of based on total biomass... since big fish are more valuable per kg. Paper accepted at ICES JMS.
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RT @christophgriff5: Very happy to announce that I have received a 3-year ECR @FormasForsk grant to continue our work on the age structure…
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RT @Nils_Hoglund: Me and Mrs Lövin talk about the failed CFP policies and what needs to change (in Swedish only I am afraid but u know how…
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RT @IsabellaLovin: Östersjön mår sämre än någonsin, enligt Helcoms senaste sammanställning. Mer av samma politik kommer inte hjälpa; Därför…
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True in economics and also with fish.
POWELL CALLS OUT MODEL MYOPIA “Even w/state-of-the-art models & even in relatively calm times, the economy frequently surprises us. But our economy is flexible & dynamic & subject to unpredictable shocks, such as a GFC or a pandemic…forecasters have to think outside the models”
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