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Jón T. Magnússon🦀🐟

@jonmagnusson.bsky.social
2.1K followers 848 following 22 posts

Marine ecologist focusing on intertidal ecosystems | Passionate about ocean health & biodiversity | PhD candidate @UWA Wernberg lab

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Reposted by Jón T. Magnússon🦀🐟
Ulisse Cardini @symbiostoic.bsky.social · 08/08/2026
🌊 New PhD scholarship open! Study microbial connectivity across mangroves, seagrasses & coral reefs — part of the EU SEASTRONG project. Fully funded, 3 years. Deadline Aug 31. Full details and application link: www.marinesymbiomes.eu/2026/08/08/o... #PhDposition #MarineBiology #Microbiome
marinesymbiomes.eu
Open position: PhD scholarship in microbial connectivity across tropical coastal seascapes - Marine Symbiomes Research Group
We invite applications for a PhD student to work on the microbial community structure and biogeochemical function along spatial connectivity gradients in three ocean basins
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The Marine Biological Association @thembauk.bsky.social · 29/04/2026
Welcome to the April 2026 edition of The Marine Biologist.
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Jón T. Magnússon🦀🐟 @jonmagnusson.bsky.social · 29/04/2026
Our piece on seaweed harvesting in Iceland is out in @thembauk.bsky.social magazine! 🌊 Co-written with Lilja Gunnarsdóttir, it summarizes years of work at @mfri.bsky.social and looks at how knotted wrack (Ascophyllum nodosum) harvesting shapes intertidal ecosystems.
mymba.mba.ac.uk
The impacts of seaweed harvesting in iceland
A biodiversity safe haven in the sub-Arctic by Jón T. Magnússon and Lilja Gunnarsdóttir.
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ICES - International Council for the Exploration of the Sea @icesmarine.bsky.social · 11/02/2026
We're hiring! 🟢Information Officer Support editorial excellence by administering our publications database. 🔵Advice Officer (parental leave cover) Turn top‑tier marine science into clear, trusted policy advice. 🔔Deadline for applications for both roles 22 February www.ices.dk/about-ICES/J...
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🌊Markus Knigge🐟 @oceanknigge.bsky.social · 16/01/2026
#OceanGrants 💶🌊 🌊 <35 years? 🌊 Working on Ocean Conservation 🌊 Keen to become a true leader and Change agent? Application open for Ocean Leaders Fellowship 2026 www.soalliance.org/ocean-leader... Thanks for #OceanOptimism @dbphilanthropy.bsky.social @donabertarelli.bsky.social
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CoastClim @coastclim.bsky.social · 05/01/2026
🚨New publication! Eva Rohlfer et al. show how the contribution of zoobenthos to seafloor respiration in coastal habitats varies with space and time. 👉Read about the interesting results: doi.org/10.1016/j.ma... @tvarminne.bsky.social
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Isabel C Barrio @icbarrio.bsky.social · 06/01/2026
The term #borealization has been used in the marine realm - but what does it look like in terrestrial environments? Check out the last @nordborn.bsky.social paper in Environmental Research Letters @ioppublishing.bsky.social 📄https://www.doi.org/10.1088/1748-9326/ae2e18
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David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 20/01/2025
We’re getting lots of new Bluesky friends! Please share your favorite science and conservation starter packs as a reply here and I’ll share them. Let’s get our science and conservation friends lots of followers! 🧪🌎🦑
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Marie C. Nordström @marienordstrom.bsky.social · 06/12/2025
PROFESSOR OR ASSISTANT/ASSOCIATE PROFESSOR IN ARCTIC ECOSYSTEM ECOLOGY Open position at the University of Helsinki jobs.helsinki.fi/job/Helsinki...
jobs.helsinki.fi
Professor or Assistant Professor / Associate Professor in Arctic Ecosystem Ecology
Professor or Assistant Professor / Associate Professor in Arctic Ecosystem Ecology
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Dr Eva Plaganyi @drevaplaganyi.bsky.social · 04/12/2025
New paper alert 🤖🐳💻🐟 led by Scott Spillias with a team of us considering oppportunities and cautions around future use of AI in ecosystem modelling.. #CSIRO can see it here: academic.oup.com/bioscience/a...
academic.oup.com
The Future of Artificial Intelligence in Ecosystem Modeling
Abstract. Developing ecosystem models has traditionally been limited to a small global community of experts because of the complex skills and resources req
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clumpusjim.bsky.social @clumpusjim.bsky.social · 20/11/2025
New publication looking at the occurrence and distribution of polar cod (Boreogadus saida) around Iceland (its southern limit) and how it is affected by changes in temperature. @mfri.bsky.social onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
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Dr Simon Goodman @phoca-sapiens.bsky.social · 10/11/2025
New PhD studentship opportunity in my lab & with collaborators from the Pinniped Genomes Consortium. Come help us unravel the genomics of seal physiological super powers! Closing date 7th January 2026 🧪🦭🧬🌍🦑🐳 #marine #mammals #consgen #popgen #phylo #molevol #evolution yes-dtn.ac.uk/research/the...
yes-dtn.ac.uk
The evolutionary genomics of life-history adaptations in pinnipeds - Yorkshire Environmental Sciences • Doctoral Training Network
Project summary Pinnipeds (seals, sea lions, fur seals and walrus) are keystone marine predators, and sentinels for marine ecosystem health. Advances in genomic technology open up the possibility to u...
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Professor Adriana Vergés @adriatix.bsky.social · 10/11/2025
PhD OPPORTUNITY: Climate change impacts of marine invertebrate 'forests' SCHOLARSHIPS FOR AUSTRALIAN STUDENTS: Students expected to apply for an Australian Government Research Training Program Scholarship through UNSW Sydney. Deadline is January 2026 (www.unsw.edu.au/research/hdr...).
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Jelena Godrijan 🫧❾🌊🦋 @godi.bsky.social · 02/09/2025
💬 We are recruiting! ⚠️🌊 2️⃣❕Two fully funded salary positions for students who want to do their PhD work on coccolithophores and future ocean! One is more bioinformatics 🧬 oriented and the other is more linked to organic chemistry 🧪 ➡️if interested write❕ ✍🏼 ✉️ #AcademicTwitter
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European Commission @ec.europa.eu · 31/08/2025
🇪🇺💙🌊🐟🪸 We are investing €116 million in 13 projects to restore our ocean and waters. From helping migratory fish to empowering coastal communities, these initiatives are funded by Horizon Europe under the European Ocean Pact. All for a healthier blue planet ↓ europa.eu/!C9JdKk
A reddish-orange octopus with its arms curled gracefully in the water, against a blurry blue-green background. Two seahorses wrapped around each other with their tails intertwined against a blurred, vibrant green and blue background. A sea otter floating on its back in dark water, holding its paws to its face. A dolphin with its head and fin out of the water, a white sailboat with people on it in the background, and a white seabird flying past the dolphin.
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ICE Fish Research @icefishresearch.bsky.social · 22/08/2025
What fish can you find swimming between the algae in the rocky intertidal zone of Breiðafjörður? 🐟 Are these fish impacted by seaweed harvesting?🌱 Read about this recent study by @jonmagnusson.bsky.social www.icefishresearch.com/2025/08/22/w... @mfri.bsky.social @haskoliislands.bsky.social
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Matt Bracken @brackenlab.bsky.social · 21/08/2025
Multiple ecology faculty positions at @notredame.bsky.social. Apply at apply.interfolio.com/171650. (1/2). 🌎🌐🧪
Multiple Early Career Faculty Positions in Ecology
 
The Department of Biological Sciences at the University of Notre Dame invites applications for multiple, tenure-track assistant professor positions that will enhance existing institutional excellence in ecology. We are searching broadly for creative and collaborative individuals (1) working at any spatial scale, from local to global, in any system, (2) studying any level of biological organization, from genes to ecosystems, and (3) using any mode of inference, from empirical to theoretical. Applicants should demonstrate research excellence that crosses traditional disciplinary boundaries; ongoing growth in the department will emphasize new hires that use quantitative and/or integrative approaches to study ecological processes. Postdoctoral experience is desirable in applicants. Successful candidates will engage with and benefit from UNDERC, Notre Dame’s 8000-acre environmental field station and home to NEON’s Great Lakes domain, superb on-campus chemical and genomic analytical facilities, an experimental research facility located close to campus, cross-disciplinary interactions through multiple centers and institutes including the Environmental Change Initiative, and a unique Interdisciplinary Graduate Training Program in Environment and Society. New faculty will benefit from Notre Dame’s recent campus-wide Strategic Framework that included the Just Transformations to Sustainability Initiative. Modern research facilities exist in a new environmental research building, which opened in 2025.
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José Queirós @josepmqueiros.bsky.social · 19/08/2025
Guidelines for ensuring meaningful engagement of early career researchers in scientific collaborations: recommendations from and for marine and polar scientists url: academic.oup.com/icesjms/arti...
academic.oup.com
Guidelines for ensuring meaningful engagement of early career researchers in scientific collaborations: recommendations from and for marine and polar scientists
Abstract. There is an increasing recognition of the importance of involving early career researchers (ECRs) in scientific positions of trust within nationa
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Reposted by Jón T. Magnússon🦀🐟
Athanasios Nikolaou @thanasisnikolaou.bsky.social · 03/08/2025
Our article “What do we know about the state of European seas?” is now out in @consletters.bsky.social. In this study, we used all available #MSFD assessments to unveil the status of European Seas. @drangelborja.bsky.social @skatsanevakis.bsky.social Find the article link at the post’s end.
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Jón T. Magnússon🦀🐟 @jonmagnusson.bsky.social · 13/07/2025
New paper out! 🐟🌿 We studied intertidal fish communities in Iceland & the effects of Ascophyllum nodosum harvesting. Juvenile gadoids relied on these habitats and harvesting showed subtle effects on fish size & diet. 📖 Open access: doi.org/10.1017/S002... #MarineEcology #Iceland
doi.org
Icelandic intertidal fish communities and effects of knotted wrack (Ascophyllum nodosum) harvesting | Journal of the Marine Biological Association of the United Kingdom | Cambridge Core
Icelandic intertidal fish communities and effects of knotted wrack (Ascophyllum nodosum) harvesting - Volume 105
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Plymouth Marine Laboratory @pml.ac.uk · 09/06/2025
‘Ticking timebomb’: sea acidity has reached critical levels, threatening entire ecosystems. Major PML-led study in the The Guardian today: www.theguardian.com/environment/... @noaa.gov @climate.noaa.gov @osuceoas.bsky.social ‪ @umaryland.edu
theguardian.com
‘Ticking timebomb’: sea acidity has reached critical levels, threatening entire ecosystems – study
Ocean acidification has already crossed a crucial threshold for planetary health, scientists say in unexpected finding
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Dr Anna Sturrock @otolithgirl.bsky.social · 21/11/2024
Let me know if you are working with #otoliths or any archival structure and I will add you to the list! #FishSci #TeamFish #coral #fish #otolith #isotopes #microchemistry #sclerochronology #biochronologies #biomineral #shell #statolith #eyelens 🐟🦈🐙🐚🪸 go.bsky.app/2TPiypt
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Plymouth Marine Laboratory @pml.ac.uk · 09/05/2025
PML’s Dr. Saskia Rühl is currently sailing onboard the #StatsraadLehmkuhl, as part of the #OneOceanExpedition. Two weeks since she embarked from Tromsø, she shared the following a blog about daily life aboard a 111-year-old vessel, collecting science & delivering lectures… pml.ac.uk/news/blog-pm...
pml.ac.uk
BLOG: PML’s Dr Saskia Ruhl describes life onboard the One Ocean Expedition
PML’s Dr. Saskia Rühl, a specialist in digital marine biology and machine-learning techniques for data classification, is currently sailing onboard the Statsraad Lehmkuhl, as part of the One Ocean
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UWA Oceans Institute @uwaoceans.bsky.social · 30/04/2025
Applications open now at bit.ly/AdvanceImagi...
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Jón T. Magnússon🦀🐟 @jonmagnusson.bsky.social · 28/04/2025
One of my favourite notifications to receive! #AcademicChatter #AcademicSky
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Dr.Kat Stewart @ecoevoedna.bsky.social · 17/11/2024
I started an #eDNA starter pack as one didn’t exist yet. Feel free to message me to get your name added. Open to all! go.bsky.app/U2vgV5Q
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Deep-Ocean Stewardship Initiative @deepstewardship.bsky.social · 23/03/2025
🌊 Join #INCISE2025 in Barcelona, hosted by the ICM & CSIC, in collaboration with the University of Barcelona to focus on submarine canyons and their role in marine science. 📅 16 - 19 June 2025 📍 Barcelona, Spain 📣 Call for abstracts: Submit by 31 March 2025 Have you made a submission? Let us know 👇
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Jón T. Magnússon🦀🐟 @jonmagnusson.bsky.social · 17/03/2025
Just wrapped up an incredible experience on the spring groundfish survey with @mfri.bsky.social 🐟🌊 Long hours, some rough weather, but an unforgettable time learning more about the ocean around #Iceland. Huge thanks to the amazing scientists, crew, and everyone on board for their hard work⚓🔬🚢
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clumpusjim.bsky.social @clumpusjim.bsky.social · 16/03/2025
The Iceland march groundfish survey, ~500 stations surveyed annually to collect information of the bottom dwelling species down to depths of 500 m. The map can be viewed live at skip.hafro.is. @mfri.bsky.social
Satellite image of Iceland and coastal shelf showing the stations of the Iceland groundfish survey and the tracks of the vessels participating.
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🌊Markus Knigge🐟 @oceanknigge.bsky.social · 15/03/2025
Deadline is this Wednesday... This is one of the most amazing scholarships for leaders in their respective areas. So please ocean 🌊 folks, get up and apply (my influence is limited but I will be one of the guys doing 1st screening of applications).
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Aerin Jacob, PhD @aerinj.bsky.social · 14/03/2025
Looking for a postdoc in 🇨🇦? Liber Ero Fellowship liberero.ca * Applied conservation science * Leadership training * Open to int’l applicants * Due Nov 1 🌎🧪🦤
liberero.ca
Liber Ero Fellowship Program
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Anna Selbmann @annaselbmann.bsky.social · 12/03/2025
Join us at the University of Iceland! They are hiring an assistant professor in marine and freshwater ecology! 🤓 Lots of water available in and around the country, plenty of cool nature and a volcanic eruption every now and then! 🌊🐟🐳🌿🌋 english.hi.is/about-ui/wor...
english.hi.is
Vacancies
The University of Iceland is one of the largest employers in Iceland. The university's mission is to conduct academic research and education, a goal that can only be achieved through the continuous en...
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Thorsten Reusch @thorstenreusch.bsky.social · 19/02/2025
The GEOMAR seagrass team is hiring. Time to make coastal restoration long-term sustainable. A fully funded 4-yr PhD position on eelgrass seascape genomics in the Baltic Sea, further details see here www.geomar.de/en/karriere/... @geomarkiel.bsky.social DM me for inquiries
Seagrass Zostera marina in Baltic Sea showing blue carbon, photo credit Pekka Tuuri
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David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 07/03/2025
A cool opportunity for early career folks interested in the science-policy interface in biodiversity conservation www.ipbes.net/second-globa... 🧪🌎
ipbes.net
Call for nominations of fellows for the second global assessment of biodiversity and ecosystem services (3 February to 6 April 2025) | IPBES secretariat
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Áki Jarl Láruson @akijarl.bsky.social · 06/03/2025
"Hafrannsóknarstofnun leitar eftir framúrskarandi háskólanemum úr líffræði, efnafræði, eðlisfræði eða tengdum greinum, til starfa í sumar. Starfstímabil háskólanema er um 3 mánuðir eða samkvæmt frekara samkomulagi". www.hafogvatn.is/is/midlun/fr...
hafogvatn.is
Sumarstörf fyrir framúrskarandi háskólanema
Hafrannsóknarstofnun leitar eftir framúrskarandi háskólanemum úr líffræði, efnafræði, eðlisfræði eða tengdum greinum, til starfa í sumar. Starfstímabil hás
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Gregor Kalinkat @gkalinkat.bsky.social · 28/02/2025
"... the $38.8 billion of direct spending on conservation efforts - 60% of which comes from the federal government - generates $93.2 billion of total economic activity. That means every dollar spent on conservation in the US has a positive return of 2.4 times its original investment" 🌎🧪
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Fudge Lab @fudgelab.bsky.social · 27/02/2025
Shoals Marine Lab has lots of great opportunities for Summer 2025: Credit courses: www.shoalsmarinelaboratory.org/courses/undergrad Scholarships: www.shoalsmarinelaboratory.org/financial-support-scholarships. Research Apprenticeships: www.shoalsmarinelaboratory.org/shoals-research-apprenticeship
five people holding a giant kelp
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Jean-François Cudennec @limpetnerd.eurosky.social · 25/02/2025
I was quite confident on my knowledge of marine biodiversity in my area (I have a PhD in marine biology after all). But today I learn about Paromola cuvieri, one of the largest crab species of the Northeast Atlantic, that uses its last pair of legs to carry live specimens of sponges and corals 🦑 🌊
Paromola cuvieri carrying a deep sea coral
Source : @irisgorgonaParomola cuvieri carrying a sponge

Image: OCEANA
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Paul Woods @paulwoods.io · 22/02/2025
ESRI recently published our Global Fishing Intensity layers in #ArcGISLivingAtlas, providing a summary of fishing vessel activity worldwide from AIS tracking data that can be imported directly to ArcGIS. Raise your hand if you want to see more GFW data made available in ArcGIS
buff.ly
Global Fishing Watch – Illuminating Vessel Activity On the Open Ocean
Having fish for dinner tonight? Ever wondered if anyone is monitoring where it's coming from?
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James Thorburn @jathorburn.bsky.social · 14/02/2025
We're hiring a Research Fellow at Edinburgh Napier University to join the SharkScape project, a three–year, multi-institute project involving field-based research and data analysis. Apply now: 🔗 jobs.ac.uk/job/DLV215/r... #MarineScience #SharkConservation #ResearchJobs
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Jón T. Magnússon🦀🐟 @jonmagnusson.bsky.social · 13/02/2025
Great news for Iceland’s surf community & coastal ecosystems! 🏄‍♂️🌊 Thanks to the efforts of local surfers & activists, construction that threatened one of the best breaks has been halted—for now. Protecting waves means protecting nature! #SaveTheWaves #Iceland www.ruv.is/english/2025...
ruv.is
Construction temporarily halted after surfers' appeal - RÚV.is
Construction work on a land reclamation project off the coast of Þorlákshöfn in South Iceland has been halted, until the Environmental and Natural Resources Appeals Committee has reviewed an appeal by...
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Tyler Eddy @thelifeaquatic.xyz · 04/02/2025
Four PhD scholarships to work on the Transforming Climate Action Project in collaboration with Dal, Laval, & UQAR Based at the Fisheries & Marine Institute, Memorial University in St. John's, Newfoundland 🇨🇦 Apply by March 31, 2025: thelifeaquatic.xyz/opportunities #PhD #climatechange
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Jón T. Magnússon🦀🐟 @jonmagnusson.bsky.social · 09/02/2025
Got to test out our new camera at the ecology lab at @mfri.bsky.social with Laure de Montety! 📸 Still figuring it out, but loving the details it captures—tiny worlds hidden in our maerl samples. Here are some of my favorites so far! 🦀🔬🪸
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Brendan Godley @brendangodley.bsky.social · 28/01/2025
SCHOLARSHIPS for international students seeking to join us in Sept 2025 for MSc in @exetergses.bsky.social . The deadline to apply is 27 February 2025. 🧪🌎🦑🐟🦤 Scholarships: www.exeter.ac.uk/study/fundin... Degrees: www.exeter.ac.uk/study/gses/ @uniexecec.bsky.social @uniofexeteresi.bsky.social
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Jo Wolfe, PhD @jopabinia.bsky.social · 19/01/2025
📌 Welcome to the crab feed! 🦀 - photography, science, news, art, etc! No crabs as food (in the same way birds feed is not for poultry). To post to the feed, please ask @lucidillusions.in or @jopabinia.bsky.social Please: Keep it relevant No genAI Credit sources Use alt text (see below) Have fun!
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Erwan Rivault @erwanrivault.com · 10/01/2025
NEW: 2024 has just been confirmed as the warmest year on record, and the first to breach the 1.5C threshold. We used a ridgeline (Joy Division inspired) chart to visualise daily temperature anomalies since 1940. 2024 clearly stands out with 100% of its days above 1.3C and 75% above 1.5C.
Ridgeline chart showing the distribution of global daily air temperature differences from the pre-industrial reference period (1850-1900), for every year between 1940 and 2024. Each individual year resembles a hill, shaded in a darker shade of red and further to the right for warmer years. The trend is clearly towards warmer years, with 2024 standing out as first year above 1.5C.
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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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Susanne Kortsch @skortsch.bsky.social · 19/12/2024
📢 3-year Postdoc Opportunity ❗❗ #FoodWebs I am seeking a postdoc to reconstruct energy fluxes in food webs using gut DNA and eDNA in mesocosms under heatwave scenarios @tvarminne.bsky.social @coastclim.bsky.social 📅 31. of Jan. 2025 ➡️ jobs.helsinki.fi/job/Hanko-3-... Please share post ❗❗
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Skype a Scientist @skypeascientist.bsky.social · 30/12/2024
Scientists! We are trying to get 1000 of us into the volunteer database by Jan 1. You'll be volunteering to speak with classrooms over video chat about your work, and answer their questions! You can volunteer for up to 5 sessions per semester. Sign up here! www.skypeascientist.com/sign-up.html
a graphic that says Scientists we need you, then an old school rotary phone that has a speech bubble saying "talk with classrooms across the globe" and a bulleted list Volunteer for 1-5 Q&As per semester

Get matched with the right teacher for you via email

35+ categories of scientist, from squid to space

It’s free for teachers" and then "sign up at skypeascientist.com"
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Kevin Connor @kevintconnor.bsky.social · 26/12/2024
A trophic cascade of 🦦&🦀: "Sea otters ate multiple crab species, allowing snails, which crabs eat, to thrive. The snails then ate more algae that had blocked sunlight from reaching the sea grass. More sea grass provided protection for young fish and food for migratory birds."🧪🦑🎁 wapo.st/4gUouFX
wapo.st
Green crabs have invaded habitats. Sea otters might be the solution.
A recent study found sea otters are eating thousands of green crabs at a California reserve, reducing the invasive species’ population.
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