Dr Billy Hunter
@biogeochembilly.bsky.social
π€ 205
π₯ 537
π 131
Marine Biogeochemist, unicyclist, juggler and banjo player. Wearer of cardigans and Closet Clown.
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Dr Billy Hunter
European Marine Board
12 days ago
Today we launch our new Future Science Brief on 'Monitoring, Reporting and Verification for marine Carbon Dioxide Removal'! Drafted by our expert working group, it presents the key challenges and current status for MRV. Download for free here:
www.marineboard.eu/publications...
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Dr Billy Hunter
Jelena Godrijan π«§βΎππ¦
12 days ago
@agu.org
New in
#JGR
a study on π Ocean Alkalinity Enhancement: higher alkalinity speeds up growth of key
#coccolithophores
, but at very high TA calcification falters & shells deform. Authors suggest TA <~3,000 ΞΌmol kgβ1 as a safer ecosystem boundary.
doi.org/10.1029/2025...
#protistsonsky
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The Physiological Response of Contrasting Coccolithophore Species to Ocean Alkalinity Enhancement
Increased alkalinity significantly boosts growth rates of coccolithophores Gephyrocapsa huxleyi and Coccolithus braarudii Divergent responses between species arise as large C. braarudii rely on C...
https://doi.org/10.1029/2025JG009103
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Dr Billy Hunter
Nature Portfolio
11 days ago
Deep-sea mining in the Clarion-Clipperton Zone may release waste into midwaters that support diverse marine life. A study in Nature Communications finds such discharges could dilute key food particles and disrupt trophic links from zooplankton to large marine predators.
go.nature.com/3Jm0C2U
π π§ͺ
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This is a tad worrying. Last time I checked licking arsenic (As) was a bad idea. Pretty glaring error there! π§ͺ
12 days ago
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Dr Billy Hunter
Prof Alessandro Tagliabue
15 days ago
π oceanjobs
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Dr Billy Hunter
Prof Alessandro Tagliabue
about 1 month ago
Seeking a three year postdoc in the field of ocean biogeochemistry and productivity using mechanistic models and synthesis of observations. Note the short fuse for applications. Please help distribute. All nationalities welcome to apply! π
www.jobs.ac.uk/job/DPG117/p...
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Postdoctoral Research Associate at University of Liverpool
Looking for a new job opportunity in academia? Check out this job opening for a Postdoctoral Research Associate on jobs.ac.uk!
https://www.jobs.ac.uk/job/DPG117/postdoctoral-research-associate
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Dr Billy Hunter
Mark Coughlan
about 1 month ago
Local variations in environmental predictors and dry bulk density measurements have a significant influence on
#bluecarbon
stock estimates in marine sediments πππ read all about it π
bg.copernicus.org/articles/22/...
@mdiesing.bsky.social
@biogeochembilly.bsky.social
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Improving marine sediment carbon stock estimates: the role of dry bulk density and predictor adjustments
Abstract. Continental shelves are critical for the global carbon cycle as they store substantial amounts of organic carbon (OC). Shelf sediments can also be subject to considerable anthropogenic press...
https://bg.copernicus.org/articles/22/5975/2025/
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Really please to see this out. Led by
@drmarkyc.bsky.social
our paper on how to Improve
#bluecarbon
stock estimates π§ͺπ
share.google/m48qdGvQ8kpE...
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Improving marine sediment carbon stock estimates: the role of dry bulk density and predictor adjustments
Abstract. Continental shelves are critical for the global carbon cycle as they store substantial amounts of organic carbon (OC). Shelf sediments can also be subject to considerable anthropogenic press...
https://share.google/m48qdGvQ8kpEIyn5u
about 1 month ago
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Dr Billy Hunter
Lennart Bach
about 1 month ago
Still looking for 1 more guest editor :-) π
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Dr Billy Hunter
Jay T. Cullen
about 2 months ago
π
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Dr Billy Hunter
Ian Hall
about 2 months ago
π Marine heatwaves modulate food webs and carbon transport processes In 2015 & 2019, POC β¬οΈ in the NE Pacific, but instead of sinking, tiny particles lingered mid-depth, cutting carbon sequestration Ecosystem responses vary, and long-term ocean monitoring is crucial
www.nature.com/articles/s41...
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Marine heatwaves modulate food webs and carbon transport processes - Nature Communications
A decade of BGC-Argo and plankton records shows North Pacific heatwaves reshape food webs and trap small particles in midwater, slowing deep-ocean carbon export. Impacts vary by event, underscoring the need for sustained ocean monitoring.
https://www.nature.com/articles/s41467-025-63605-w
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Dr Billy Hunter
David Ho
5 months ago
This paper describes the science behind the startup Calcarea, which aims to do carbon capture and sequestration from ship stacks. π
calcarea.com
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Potential of CO2 sequestration through accelerated weathering of limestone on ships
Maritime transportation can be substantially decarbonized by mimicking the natural process of limestone weathering.
https://www.science.org/doi/full/10.1126/sciadv.adr7250?af=R
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Dr Billy Hunter
David Ho
3 months ago
Must read paper on pCOβ measurements, especially for MRV of mCDR. Some key points: Equilibrator-based instruments require more expertise but give much better results. For membrane/in situ instruments, you could get significantly different results from instruments from the same manufacturer. ππ
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The ICOS OTC pCO2 instrument intercomparison
In 2021, the Ocean Thematic Centre of the European Research Infrastructure βIntegrated Carbon Observation Systemβ conducted an international partial pressure of carbon dioxide (pCO2) instrument inter...
https://aslopubs.onlinelibrary.wiley.com/doi/10.1002/lom3.10727
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Dr Billy Hunter
Prof Sam Illingworth
3 months ago
π Do Carbon offsets work? An analysis of 89 multinationals finds buying carbon credits does little for real emission cuts. Offsets play only a minor role, with airlines most reliant. π
www.nature.com/articles/s41...
#SciComm
#ClimateCrisis
π§ͺ
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The negligible role of carbon offsetting in corporate climate strategies - Nature Communications
This study of 89 multinational firms finds no significant link between voluntarily offsetting emissions and decarbonization speed. Firms spend little funds on carbon credits, and emission offsetting i...
https://www.nature.com/articles/s41467-025-62970-w
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Just out! Our new paper identifies and assesses the risk posed by contamination of
#lakes
and
#rivers
in Northern Ireland with
#pharmaceuticals
and drugs of abuse
share.google/uZLcVYR6WGkP...
π§ͺ A collaboration between
@afbini.gov.uk
and Leon Barron's team
@imperialcollegeldn.bsky.social
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An environmental risk assessment of contamination of lakes and rivers in Northern Ireland with pharmaceuticals, personal care products and drugs of abuse
In this work, we present the most spatially comprehensive environmental risk assessment of 114 pharmaceuticals, personal care products and illicit drug residues in the surface waters of Northern Irela...
https://share.google/uZLcVYR6WGkPq3MAV
3 months ago
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Dr Billy Hunter
JGR: Oceans
3 months ago
The U.S. Northeast Shelf is a productive marine ecosystem that is warming faster than the global ocean and regularly experiences marine heatwaves. Cirivello et al., constrain regime shifts in thermal conditions over the shelf since 2000 π
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
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#AntrimCoastHalfMarathon
let's be having ye! In the starting pen for this morning's long run. I'm running in support of the
#WelcomeOrganisation
, who support the homeless in Belfast.
www.givengain.com/project/will...
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I am raising funds for The Welcome Organisation
Hi! I need your help. I'm taking part in Antrim Coast Half Marathon 2025 to raise money for The Welcome Organisation, who do great work for a cause that's very close to my heart. If you can, please do...
https://www.givengain.com/project/william-hunter-raising-funds-for-the-welcome-organisation?_kx=0l6kxNUfQvULzkSGr2z06FMogQoOmEdJgw2iXHOZ-IY.VxXyiq
3 months ago
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Dr Billy Hunter
Rob
3 months ago
Architects have a responsibility that is being tragically ignored. The built environment is responsible for 40% of emissions. You canβt graduate from design school over the past 25 yrs without knowing that. Yet we still crank out and celebrate projects with high upfront and operational carbon. Why?
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Dr Billy Hunter
Cameron Thrash
3 months ago
The role of phytoplankton in structuring global oceanic dissolved organic carbon pools
www.nature.com/articles/s41...
#jcampubs
π
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The role of phytoplankton in structuring global oceanic dissolved organic carbon pools - Nature Communications
Zhe Lu et al. reveal that phytoplankton taxa and seasonal changes shape ocean surficial carbon. Machine learning and satellite data show that diatoms dominate surface DOC, with more recalcitrant DOC p...
https://www.nature.com/articles/s41467-025-63105-x
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Dr Billy Hunter
Jan Geert Hiddink
6 months ago
We're meeting today to kick off our new NERC-funded project on the 'Impacts of bottom trawling on seabed carbon storage'. It's a consortium project to establish how the disturbance associated with bottom trawling modifies C storage, cycling and air/sea CO2 fluxes.
gtr.ukri.org/projects?ref...
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Dr Billy Hunter
Matt Bracken
3 months ago
This *Osedax* comic by
@thefuzzyslug.bsky.social
is just amazing! π€©
#MarineLife
#Invertebrate
#SciArt
π¦ππ‘
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Dr Billy Hunter
Dr. Or M. Bialik |π|π¬|π|βοΈ
4 months ago
Just a reminder that I have an open position on benthic fluxes and biodiversity hotspots that is waiting for someone. Come dive into this one with me (possibly, also literally). πβοΈ
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Dr Billy Hunter
Ian Hall
4 months ago
π Shifting foundations of the Antarctic food web could ripple through the entire ecosystem
phys.org/news/2025-08...
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Shifting foundations of the Antarctic food web could ripple through the entire ecosystem
Researchers from Denmark, New Zealand, Australia, Spain and the U.S. have reconstructed the composition of phytoplankton communities around Antarctica over nearly three decades, the most comprehensive...
https://phys.org/news/2025-08-shifting-foundations-antarctic-food-web.html
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Dr Billy Hunter
Ian Hall
4 months ago
π Even if we remove excess COβ, the ocean doesnβt bounce back quickly. Export production shifts persist for centuries, especially in the Southern Ocean, which could take 1,300 years to recover. Cutting emissions early matters more than we think
www.nature.com/articles/s41...
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Hysteresis in ocean export production owing to CO2 forcing - Scientific Reports
Scientific Reports - Hysteresis in ocean export production owing to CO2 forcing
https://www.nature.com/articles/s41598-025-15521-8
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Dr Billy Hunter
Cameron Thrash
4 months ago
Changes in the TopβDown Control of Planktonic Bacteria in Response to Nutrient Addition and Warming in the Red Sea
enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/...
#jcampubs
π
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Changes in the TopβDown Control of Planktonic Bacteria in Response to Nutrient Addition and Warming in the Red Sea
The responses of planktonic bacteria and their mortality agents (heterotrophic nanoflagellates and viruses) to nutrient additions and temperature were investigated in four seasonal experiments in coa...
https://enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/1758-2229.70166?af=R
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Dr Billy Hunter
Ian Hall
4 months ago
πTrans-basin interaction sustains multi-year marine heatwaves in the Gulf of Alaska.
www.nature.com/articles/s41...
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Trans-basin interaction sustains multi-year marine heatwaves in the Gulf of Alaska - npj Climate and Atmospheric Science
npj Climate and Atmospheric Science - Trans-basin interaction sustains multi-year marine heatwaves in the Gulf of Alaska
https://www.nature.com/articles/s41612-025-01187-6
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Dr Billy Hunter
Steph Henson
4 months ago
π Iβm hiring! Research Scientist in Marine Ecology & Machine Learning at the National Oceanography Centre, Southampton (UK). Got experience with machine learning techniques applied to marine ecology, biogeochemistry or climate change? Apply by 5 September!
careers.noc.ac.uk/vacancy/rese...
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Careers | National Oceanography Centre
https://careers.noc.ac.uk/vacancy/research-scientist-in-marine-ecology-and-machine-learning-592572.html
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Dr Billy Hunter
Prof. Stefan Rahmstorf
4 months ago
The northern Atlantic is the only region of the world which has defied global warming and has been cooling. What is going on there? What does the latest science say about the 'cold blob'?
#AMOC
My talk at Utrecht University this week. π
youtu.be/sy2kBPujc4w?...
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Stefan Rahmstorf: The northern Atlantic 'cold blob'
YouTube video by Earth System Analysis - Potsdam Institute
https://youtu.be/sy2kBPujc4w?si=Q7SyUmpbK2MGrAg_
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Dr Billy Hunter
Santiago GassΓ³
4 months ago
π§ͺππ Studying the environmental impacts of some newly proposed marine mining activities.
pubs.acs.org/doi/10.1021/...
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Impacts of Mining Polymetallic Nodules on Surface Seawater and Marine Picophytoplankton
Polymetallic nodulesβ (PMNs) deep-sea mining poses risks to marine ecosystems, yet its effects on surface picophytoplankton remain unclear. This study assessed metal release from PMNs and its impact o...
https://pubs.acs.org/doi/10.1021/acs.est.5c00417
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Dr Billy Hunter
Andrew Yool
4 months ago
Top marks to Traboni et al. for the beautifully succinct - and stupendously blunt - title for their paper (... which is pretty great too) ... π
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
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Plankton do not care: Minimal effects of ocean liming on plankton growth and grazing in the Eastern Mediterranean
Increasing CO2 emissions have led to the development of CO2 removal strategies to counteract ocean acidification. Among these, ocean alkalinity enhancement techniques, particularly ocean liming, may ...
https://aslopubs.onlinelibrary.wiley.com/doi/10.1002/lno.70136
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Please to announce the publication of the 2025 update of our
#MCCIP
review of climate change impacts on oxygen in UK seas.
www.mccip.org.uk/oxygen
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Oxygen | Marine Climate Change Impacts Partnership
https://www.mccip.org.uk/oxygen
4 months ago
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Dr Billy Hunter
Ocean Visions
4 months ago
π Launched in 2024, Ocean Visions' refreshed mCDR Field Trial Database tracks global experiments, MRV strategies, carbon flux data & more. Explore trends, insights & an interactive map to see where momentum is building. π
oceanvisions.org/mcdr-field-t...
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Dr Billy Hunter
GOA-ON
4 months ago
πOcean Sciences
#OSM26
is taking place in Glasgow next February! ποΈThe deadline for Abstract submissions is 20 August 2025 πHere is a list of sessions that may be relevant to our
#OceanAcidification
community β‘οΈ
tinyurl.com/3zdezr43
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Dr Billy Hunter
Sara Vicca
4 months ago
π’New
@globalchangebio.bsky.social
#EnhancedWeathering
alters soil organic carbon in complex ways. Effects are mediated by biota & soil moisture. Robust
#CDR
assessments require considering organic carbon.
@boitolucilla.bsky.social
@arthurvienne.bsky.social
onlinelibrary.wiley.com/doi/10.1111/...
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https://onlinelibrary.wiley.com/doi/10.1111/gcb.70373
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Dr. Or M. Bialik |π|π¬|π|βοΈ
4 months ago
I still have my (many) reservations about ocean alkalinity enhancement. But I'm very happy to see this sort of study about it, looking at how it may affect plankton. Also, the title is brilliant. π§ͺπ Link:
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
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Raphael Cunha
4 months ago
Call for expressions of interest from applicants who wish to apply for a Leverhulme Early Career Fellowship with Kingβs College London as their host organisation. Areas include social sciences, law, and business.
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Leverhulme Trust Early Career Fellowship: 2026 scheme at King's College London
Start your UK & international job search for academic jobs, research jobs, science jobs and managerial jobs in leading universities and top...
https://www.jobs.ac.uk/job/DOB139/leverhulme-trust-early-career-fellowship-2026-scheme
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Dr Billy Hunter
Andrea Peterson
4 months ago
The magic of a flamboyant cuttlefish π¦
#MarineLife
#Cephalopods
#Chromatophores
#Camouflage
#SeattleAquarium
#Cuttlefish
#AscarosepionPfefferi
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Dr Billy Hunter
UBC Oceans
4 months ago
"#Scuba
#diving
is not a fringe hobby. It is a multibillion-dollar pillar of the economy that can channel tourists' dollars straight into
#coastal
communities and
#ocean
protection," said Dr. Anna Schuhbauer
phys.org/news/2025-07...
via @physorg_com
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Scuba diving tourism dollars flow into ocean protection and local communities worldwide
The global scuba diving tourism industry generates up to around $20 billion US per year, finds a study published in Cell Reports Sustainability. This revenue helps boost local economies by employing l...
https://phys.org/news/2025-07-scuba-tourism-dollars-ocean-local.html
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Dr Billy Hunter
Cameron Thrash
4 months ago
An ecological framework for microbial metabolites in the ocean ecosystem
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
#jcampubs
π
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An ecological framework for microbial metabolites in the ocean ecosystem
The ocean microbe-metabolite network involves thousands of individual metabolites that encompass a breadth of chemical diversity and biological functions. These microbial metabolites mediate biogeoch...
https://aslopubs.onlinelibrary.wiley.com/doi/10.1002/lol2.70046?af=R
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Dr Billy Hunter
Cameron Thrash
4 months ago
Contrasting Responses of Oceanic and Coastal Synechococcus to Iron Limitation and Warming Interactions
#USC_MEB
#ResearchAtUSC
#jcampubs
π
enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/...
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Contrasting Responses of Oceanic and Coastal Synechococcus to Iron Limitation and Warming Interactions
Oceanic Synechococcus respond to the interactive effects of iron (Fe) limitation and ocean warming by regulating photosynthesis, nutrient metabolism, and heat shock gene expression, while a coastal s...
https://enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/1758-2229.70158?af=R
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Dr Billy Hunter
Cameron Thrash
4 months ago
How marine heatwaves are reshaping phytoplankton in the Northeast Pacific
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
#jcampubs
π
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Dr Billy Hunter
Marine Geospatial Ecology Lab
4 months ago
π What is an EBSAβand Why Does It Matter? MGEL researchers co-authored a global synthesis of Ecologically or Biologically Significant Areas (EBSAs) analyzing 338 EBSAs described across 15 regional workshopsβcovering 75% of the global ocean
www.nature.com/articles/s44...
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What is an ecologically or biologically significant area? - npj Ocean Sustainability
npj Ocean Sustainability - What is an ecologically or biologically significant area?
https://www.nature.com/articles/s44183-025-00126-5
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Dr Billy Hunter
JGR: Oceans
4 months ago
The ocean's capacity to absorb CO2 renders it a large C reservoir with temperature a major variable controlling Air-Sea exchange. FrazΓ£o et al., use moorings in the California Current to quantify the effects of other processes on CO2 exchange π
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
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Dr Billy Hunter
Sang-Ki Lee
5 months ago
Microscopic organisms (e.g., bacteria, & viruses) play a vital role in the remineralization, and thus help store CO2 in the ocean. A new study presents microbial boundaries between different water masses (e.g., PDW, AAIW, CDW, & AABW) across the South Pacific: π
www.science.org/doi/10.1126/...
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Overturning circulation structures the microbial functional seascape of the South Pacific
Global overturning circulation partitions the deep ocean into regions, each with different physicochemical characteristics, but the extent to which these water masses represent distinct ecosystems rem...
https://www.science.org/doi/10.1126/science.adv6903
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Dr Billy Hunter
James Rae
5 months ago
Faster carbon input at the extinction (indicated by its more rapid carbon isotope excursion) would have led to more pronounced acidification impacts, in particular due to the lack of a deep sea carbonate buffer (read oceanic anti-acid) - indeed this may partly explain this era's major extinctions
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Dr Billy Hunter
Scripps Institution of Oceanography
5 months ago
Do you have an ocean-based startup that supports the
#BlueEconomy
? π Apply to be a part of
@ucsandiego.bsky.social
's StartBlue Ocean Enterprise Accelerator, a program that supports startups looking to make waves in ocean innovation! Learn more and apply. β¬οΈ
startblue.fillout.com/2025applicat...
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Dr Billy Hunter
Dr. Or M. Bialik |π|π¬|π|βοΈ
5 months ago
I have a fully funded open
#position
for a PhD student/postdoc in marine
#biogeochemistry
. As part of the MARBEDS project, we are seeking someone to study seafloor fluxes and their interactions with microbial communities in biodiversity hotspots. π§ͺβοΈπ Contact me if you want more details.
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Dr Billy Hunter
5 months ago
π
#jobs
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Dr Billy Hunter
Ian Hall
5 months ago
π The mid-latitude marine heatwaves now pushing 4β5Β°C above normal in many regions. This isnβt seasonal warming; itβs a climate alarm bell. Ecosystems are under stress.
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Note to self must read this one
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5 months ago
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