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Shifts in diatom and dinoflagellate biomass in the North Atlantic over 6 decades
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0323675
#ycombinator #Diatoms #Dinoflagellates #Biomass #Latitude #Phytoplankton #Biogeography #Ocean_temperature #Plankton

New #ISEPpapers! An Update on the Morphology and Phylogeny of the Nanoplanktonic Dinoflagellate Prorocentrum nux: Solenn Mordret et al. https://onlinelibrary.wiley.com/doi/10.1111/jeu.70019

#Protists #Microbes #Evolution #Algae #Plankton

microscopic photos of single-celled algae

Weekend #Plankton Factoid 🦠🦐
Did you know some #copepods can "porpoise" out of the water, even though they are only mm sized? The forces required for them to break the significant surface tension of the water is enormous, 10x larger than other animals scaled to size. This requires swimming escape velocities > 1 m/s!
Surface dwelling copepods (neustonic) doing this is one thing, but so can pelagic ones. Full paper in link 📕.
#science #oceans #MarineBiology
https://www.oceanlifecentre.dk/news/nyhed?id=b2d38ca9-df5f-4c7d-b4c2-320cd3c16890

#TIL NASA launched a satellite dedicated to studying different kinds of plankton across the world, a subject we know upsettingly little about as we race to change the conditions they depend on for life https://en.wikipedia.org/wiki/Plankton,_Aerosol,_Cloud,_ocean_Ecosystem #PACE #NASA #plankton #climate

Weekend #Plankton Factoid 🦠🦐
Mating by copepods is a complicated process since they are always at risk of predation by other plankton or fishes. Male #copepods carefully mechanically and chemically track a receptive female, capture them, and deposit an adhesive spermatophore near the genital opening, all assisted with their specially modified antennae. The "bent" geniculate antenna in Calanoids are usually characteristic for identification.
#science #zooplankton

image/jpeg a microscope photograph of a shrimp-like male calanoid copepod with very long antennae with one having a distinct kink in it marked with a "ga" as a geniculate antenna. Source: An Image-Based Key To The Zooplankton Of North America
Version 5.0.

image/jpeg two shrimp-like copepods are shown side by side, one female carrying paired egg sacs off the abdomen, and a slightly smaller male with distinctively hooked antennae. A scale bar indicates they are approximately 1 mm long. Cyclops bicuspidus, NOAA GLERL.

Sepuh timpa

#meme #memes #humor #plankton #spongebob #spongebobsquarepants #anime #BocchiTheRock

Africa: Drifting Architects - Plankton, Climate, and the Race to Understand Our Changing Ocean: [UN News] Drifting with the currents, plankton are the ocean's lifeblood - invisible yet essential, regulating the climate and sustaining entire ecosystems. On the French Riviera, scientists are racing to decipher their secrets before the silence of their decline echoes across the planet. http://newsfeed.facilit8.network/TLFKWY #Plankton #ClimateChange #OceanConservation #MarineEcosystem #SustainableScience

Weekend #Plankton Factoid 🦠🦐
The new Surface Water and Ocean Topography (SWOT) satellite is crazy accurate. It can measure ocean altimetry to a mm, imaging internal waves and small sub eddies (rotating mixing zones). Tiny changes in height happen when water swirls (try it in a sink) with greater height at the edges due to centripetal force. These may be even more important for temperature & nutrient flux, so ultimately #ecosystem productivity & #carbon cycling. #science
https://stories.tamu.edu/news/2025/05/27/small-currents-big-impact-satellite-breakthrough-reveals-hidden-ocean-forces/

image/jpeg a gold satellite with extended solar panels is shown in orbit around the earth. Image from NASA.

image/jpeg a visualization of currents off the eastern coast of North America shows hundreds of interconnected swirling eddies spinning in the Atlantic Ocean. Image from NASA.

Tief im #Labradorsee erforscht ein Netzwerk autonomer Roboter, wie #Plankton und „mariner Schnee“ #CO2 langfristig im Ozean speichern.

Das Projekt #ReBELS nutzt Kameras, Gleiter und #Messbojen, um die biologische #Kohlenstoffpumpe ganzjährig zu beobachten.

Mithilfe von #KI analysieren die Systeme Partikelgrößen und #Sinkgeschwindigkeiten, um #Klimamodelle zu verbessern. Ziel ist es, besser zu verstehen, wie viel #Kohlenstoff im Meer bleibt.

https://www.earth.com/news/marine-robots-are-exploring-the-oceans-role-in-climate-control/

#Klimaforschung

1 more kids plankton painting workshop under my belt. Despite the screen they just loved looking through the eyepiece, to the point where they were arguing who got to go on it next. Neighborhood block party will feature an exhibition of their prints! #microscopy #plankton

Weekend #Plankton Factoid 🦠🦐
Light is an extremely important factor in the oceans. It governs not only photosynthesis, but is also an important cue for vertically migrating zooplankton and needed for visual predation. The finding that 20% of the #oceans, especially at vital polar regions, are increasingly murky over the last 20 years is very worrying. Over 9% had the photic zone reduced by more than 50 m. This will impact #phytoplankton growth and #carbon flux. #science
https://scitechdaily.com/21-of-the-ocean-is-losing-sunlight-what-that-means-for-marine-life/

image/jpeg diffused rays of sunlight are seen from underwater with a lone transparent jellyfish floating in the light column. Photo from Pexels, CC Freerange.

One way to track what’s happened on Earth during past periods of drastic climate change is to examine fossils, but, says @KnowableMag, “the fossil record for most species is spotty.” Enter planktonic foraminifera, a unicellular marine organism that first appeared on Earth about 100 million years ago. Nine out of 10 species went extinct when an asteroid hit 66 million years ago. It took 10 million years for species diversity to recover. Tim Vernimmen takes a look at what that can teach us about the past — and future.

https://flip.it/G63zRy

#MarineLife #Paleontology #Palaeontology #Fossils #Plankton #ClimateChange #ClimateCrisis #Environment #Newstodon #NewstodonFriday #FollowFriday

#idw #Climate Marine heatwaves pose problems for coastal #plankton

Temperatures around the world continue to rise – and the #NorthSea is no exception. Yet, in addition to this gradual #warming, increasingly frequent and intense heat events also have consequences for marine organisms. When heatwaves are added, however, these alterations are amplified. The results have been published in three publications, most recently in #Limnology and #Oceanography.
Link: https://idw-online.de/en/news852704

Weekend #Plankton Factoid 🦠🦐
There is a giant, vibrantly blue, 9 meter tall, 20 tonne interactive #sculpture celebrating stromatolites (fossil cyanobacteria) in Cornwall, England. The Eden Project houses this fantastic piece of art by Azusa Murakami and Alexander Groves called "infinity blue" made of local clay to celebrate how #cyanobacteria transformed the Earth's early atmosphere by forming oxygen through photosynthesis (represented as huge vapour rings). #art #science
https://www.designboom.com/art/studio-swine-infinity-blue-eden-project-breathing-sculpture-02-19-2019/

image/jpeg a man and a woman stand in a large space in front of a giant blue sculpture shaped like three stacked balls, which is emitting large vapour rings. Photo from Studio Swine.

Oops I discovered a way to scope on vacation in NH. Never a break from scoping. Cladocera (etc) from Bradley lake in NH. #sciart #microsvopy #plankton

Weekend #Plankton Factoid 🦠🦐
Plankton is fundamental to the functioning of aquatic #ecosystems. An example was seen in the 2013 deaths of #Florida bottlenose dolphins. Dense harmful phytoplankton #blooms from excess nutrients in the Indian River lagoon shaded out seagrass and shifted the composition of forage fishes from Ladyfish to the not as energy rich Sea Bream. The #dolphins became malnourished and more susceptible to stress from toxins and #ClimateChange. #Science
https://www.frontiersin.org/news/2025/04/07/phytoplankton-bloom-starving-dolphins-florida-frontiers-marine-science

image/jpeg a sleek, grey, bottlenosed dolphin comes partially out of the water with a fish captured it in its mouth.
Photo from Sarasota Dolphin Research Program.
https://sarasotadolphin.org/tangled-food-web/

Weekend #Plankton #Factoid 🦠🦐
I've always been impressed by this video from New Scientist about #copepods, the planet's most abundant multicellular organism, with interviews from several UK universities, including Exeter and Southampton. Prof Daniel Mayer & others give a lovely explaination on why these #zooplankton, and their poo, are so important to the #ocean ecosystem and #carbon cycling, and why #ClimateChange size shrinkage could have such an impact. #Science 🎥
https://youtu.be/60DRMH9QdV4

If you're wondering about purchasing what appears to be a good value plankton net from Indian suppliers on E-bay, don't bother!

Mine arrived with a fabulous ~2mm mesh size(!) and even bigger holes as a result of damage or poor manufacture.

#biology #plankton

3 kids microscopy workshops in a row last week- whew! Still tired. But really cool getting to introduce them. #plankton #sciart

Weekend #Plankton #Factoid 🦠🦐
Zooplankton are often described as "food food" for good reasons. They are often the primary pathway to #fishes from algae. This is true on #coral reefs with fishes like Fusiliers having fast streamlined bodies and forked tail, large eyes for spotting small prey, and extendable jaw for suction-feeding. But it turns out planktivorous fishes are much more diverse in body form, which is driven more by the habitat they live in.
https://theconversation.com/we-study-planktivores-and-found-an-amazing-diversity-of-shapes-among-plankton-feeding-fishes-254296
#Science #evolution

#Plankton

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