#plankton — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #plankton, aggregated by home.social.
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#Eurovögel sind wieder am start zur Abstimmung des neuen Euro Banknoten Redesign. Macht #plankton stolz und votiert bei der EZB:
https://www.ecb.europa.eu/euro/banknotes/future_banknotes/html/design-proposals.en.html
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How Do Thermocline Depth Maps Help To Locate Bluefin Tuna?
(the sustainable recreational bluefin tuna fishery in New Zealand is spinning up)
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https://www.fishingmaps.info/articles/bluefin-tuna-and-the-thermocline/ <-- shared technical article
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https://youtu.be/jit_BjecD1I?si=Ici-Ar3UWlCNyble <-- shared Marine Stewardship Council video, “How science guides sustainable tuna fishing…”
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https://www.nzgeo.com/stories/billion-dollar-fish/ <-- shared technical media article
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[this post should not be considered an endorsement of a particular product, approach, organisation or professional(s)]
H/T @ Sam McClatchie | Rewired ex-NOAA Fisheries Oceanographer. Creator of Fishing Maps. Now based in Huia, near Auckland, New Zealand.
“The vertical structure of the upper ocean has a big effect on the productivity and distribution of plankton near the surface of the ocean. The vertical structure also affects the concentration of feed, and that affects the behaviour of Bluefin. Vertical structure of the water is controlled by the interaction of heating by the sun, wind-driven mixing, and the density of the water. In offshore areas, or in areas away from river outflows, density is determined mainly by water temperature. The sun warms the surface of the ocean, and the wind blowing over the ocean distributes the heat by mixing the water.
As the sun warms the surface water it becomes less dense and forms a cap sitting on top of the cold deeper water. The temperature changes rapidly at the boundary between the warm less dense surface water and the denser, cooler water below. This boundary is called the thermocline. If you have ever swum in a lake in the summer and found it warm as bathwater in the surface, but freezing cold when you dropped your feet down, you have experienced the effect of a thermocline.
When there is a warm cap on the ocean, the water is said to be stratified (or layered). If the wind has been calm, and the weather sunny, the warm surface layer will be stable, and strongly stratified conditions may develop. In these conditions, Bluefin dive frequently to relatively shallow depths (less than 100 metres). They dive rapidly, feed below the thermocline and return to the surface waters frequently, spending as much as 65% of their time in the upper 10 metres…
Concentrations of feed often occur just below the thermocline. These layers can be seen on an echosounder. Bluefin dive down through the thermocline to feed on these layers. When the water is strongly stratified, the Bluefin dive more frequently to feed. They also dive faster, and stay less time in the deep cold water than they do when the water is well mixed.
Bluefin use this foraging strategy during both day and night. These fish maintain a body temperature warmer than the water, so they remain highly efficient swimmers in cold water..."
#GIS #spatial #mapping #webmaps #mobile #bluefin #tuna #sustainable #recreational #fishing #fishery #NewZealand #fish #thermocline #depth #remotesensing #food #plankton #warming #watertemperature #marine #ocean #hydrology #river #outflows #hydrography #water #stratification #surface #depth #feeding #ecosystem #habitat -
How Do Thermocline Depth Maps Help To Locate Bluefin Tuna?
(the sustainable recreational bluefin tuna fishery in New Zealand is spinning up)
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https://www.fishingmaps.info/articles/bluefin-tuna-and-the-thermocline/ <-- shared technical article
--
https://youtu.be/jit_BjecD1I?si=Ici-Ar3UWlCNyble <-- shared Marine Stewardship Council video, “How science guides sustainable tuna fishing…”
--
https://www.nzgeo.com/stories/billion-dollar-fish/ <-- shared technical media article
--
[this post should not be considered an endorsement of a particular product, approach, organisation or professional(s)]
H/T @ Sam McClatchie | Rewired ex-NOAA Fisheries Oceanographer. Creator of Fishing Maps. Now based in Huia, near Auckland, New Zealand.
“The vertical structure of the upper ocean has a big effect on the productivity and distribution of plankton near the surface of the ocean. The vertical structure also affects the concentration of feed, and that affects the behaviour of Bluefin. Vertical structure of the water is controlled by the interaction of heating by the sun, wind-driven mixing, and the density of the water. In offshore areas, or in areas away from river outflows, density is determined mainly by water temperature. The sun warms the surface of the ocean, and the wind blowing over the ocean distributes the heat by mixing the water.
As the sun warms the surface water it becomes less dense and forms a cap sitting on top of the cold deeper water. The temperature changes rapidly at the boundary between the warm less dense surface water and the denser, cooler water below. This boundary is called the thermocline. If you have ever swum in a lake in the summer and found it warm as bathwater in the surface, but freezing cold when you dropped your feet down, you have experienced the effect of a thermocline.
When there is a warm cap on the ocean, the water is said to be stratified (or layered). If the wind has been calm, and the weather sunny, the warm surface layer will be stable, and strongly stratified conditions may develop. In these conditions, Bluefin dive frequently to relatively shallow depths (less than 100 metres). They dive rapidly, feed below the thermocline and return to the surface waters frequently, spending as much as 65% of their time in the upper 10 metres…
Concentrations of feed often occur just below the thermocline. These layers can be seen on an echosounder. Bluefin dive down through the thermocline to feed on these layers. When the water is strongly stratified, the Bluefin dive more frequently to feed. They also dive faster, and stay less time in the deep cold water than they do when the water is well mixed.
Bluefin use this foraging strategy during both day and night. These fish maintain a body temperature warmer than the water, so they remain highly efficient swimmers in cold water..."
#GIS #spatial #mapping #webmaps #mobile #bluefin #tuna #sustainable #recreational #fishing #fishery #NewZealand #fish #thermocline #depth #remotesensing #food #plankton #warming #watertemperature #marine #ocean #hydrology #river #outflows #hydrography #water #stratification #surface #depth #feeding #ecosystem #habitat -
Decline in plankton across Northeast Atlantic sends stark warning for ocean health https://phys.org/news/2026-06-decline-plankton-northeast-atlantic-stark.html
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Decline in plankton across Northeast Atlantic sends stark warning for ocean health https://phys.org/news/2026-06-decline-plankton-northeast-atlantic-stark.html
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what #elnino means for the #planet and specific regions #climatechange, what would be really bad is decline in microscopic #phytoplankton #plankton absorb most #CO2 overall each year through photosynthesis (and drive the ocean’s “biological pump”), while coastal “blue carbon” #ecosystems — mangroves, seagrasses and salt marshes — store the most carbon long‑term per unit area by burying it in sediments
#ocean https://wmo.int/news/media-centre/wmo-prepare-el-nino -
what #elnino means for the #planet and specific regions #climatechange, what would be really bad is decline in microscopic #phytoplankton #plankton absorb most #CO2 overall each year through photosynthesis (and drive the ocean’s “biological pump”), while coastal “blue carbon” #ecosystems — mangroves, seagrasses and salt marshes — store the most carbon long‑term per unit area by burying it in sediments
#ocean https://wmo.int/news/media-centre/wmo-prepare-el-nino -
RE: https://mstdn.social/@compoundchem/116716533544196361
The #climatecrisis has multiple negative effects on the maritime #biosphere.
The rise in temperature in the sea gets most attention, but #oceanacidification is a major risk as well to the #maritime #ecology - threatening the stability of the #foodchain in the world's #oceans.
Within this century the skeletons of maritime organisms, such as #corals, will be at risk to erode faster then they can be sustained. This will also affect #plankton which forms the basis of the maritime #food chain.
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RE: https://mstdn.social/@compoundchem/116716533544196361
The #climatecrisis has multiple negative effects on the maritime #biosphere.
The rise in sea temperature receives most attention, but #oceanacidification poses a major risk to the #maritime #ecology as well - threatening the stability of the #foodchain in the world's #oceans.
Within this century the skeletons of maritime organisms, such as #corals, will be at risk to erode faster then they can be sustained. This will also affect #plankton which forms the basis of the maritime #food chain.
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Atlantic Meridional Overturning Circulation (#AMOC) is a massive #ocean_current in the #AtlanticOcean, driven by #temperature and #salinity changes (#thermohaline circulation). It influences global #weather significantly:
- Warms up #Arctic, East #Canada, #BritishIsles & #Nordic region
- Cools down #GulfofMexico, #Amazon & #Africa
- Drives #rains in all these regions
- Supports a huge #plankton #biomass, that:
- Supports higher #marine_life
- Acts as #CO2 #carbon_sink.[2/7]
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Atlantic Meridional Overturning Circulation (#AMOC) is a massive #ocean_current in the #AtlanticOcean, driven by #temperature and #salinity changes (#thermohaline circulation). It influences global #weather significantly:
- Warms up #Arctic, East #Canada, #BritishIsles & #Nordic region
- Cools down #GulfofMexico, #Amazon & #Africa
- Drives #rains in all these regions
- Supports a huge #plankton #biomass, that:
- Supports higher #marine_life
- Acts as #CO2 #carbon_sink.[2/7]
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@Alejandro_P He had been quietly posting about #plankton all this time, waiting for the world to discover it. Speaking of plankton, did you know that plankton, along with algae, detritus, and bacteria, form the diet of clams? #clamFacts @DrPlanktonguy @dantheclamman
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@Alejandro_P He had been quietly posting about #plankton all this time, waiting for the world to discover it. Speaking of plankton, did you know that plankton, along with algae, detritus, and bacteria, form the diet of clams? #clamFacts @DrPlanktonguy @dantheclamman
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Holoplanktonic #gastropods (#pteropods and #heteropods) are major components of modern Indo–West Pacific (IWP) #plankton yet their #fossil record in this region remains sparse. Expanding the spatial and temporal coverage of fossil data is essential for reconstructing #dispersal pathways of pelagic fauna within the IWP and understanding the origins of present-day #diversity https://doi.org/10.7717/peerj.21046
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https://www.youtube.com/shorts/veK3-tWo1GU?feature=share
Einmal am Tag muss man auch Lachen!
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VW verkauft mehr Currywurst als Autos. 🌭😎🤣
https://youtube.com/shorts/S7xy-21b7G0?is=_AFLTTYzxUODEHVK
Schon ein bisschen verrückt was mittlerweile VW so macht. 😅
Wieder eines von diesen informativen und zugleich schön in Szene gesetzten Videos von Plankton, dafür mag ich den Typen total. 🤩👍
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Remember that thing about plants becoming less nutritious (mostly less protein and more sugar) with climate change?
<sarcastic>Great news, everyone!</sarcastic>
It also appears to apply to plankton. -
Remember that thing about plants becoming less nutritious (mostly less protein and more sugar) with climate change?
<sarcastic>Great news, everyone!</sarcastic>
It also appears to apply to plankton. -
Merkt euch: #plankton war der erste der eine Beziehung mit einer KI hatte.
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My good friend Kricket is deeply dedicated to studying the organism Stentor. Despite chronic illness and limited resources, she drives hours to the lab whenever she can. She’s been invited back to MBL this summer- please consider helping fund her stay! gofund.me/86b6b2f11 #plankton #microscopy
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Nitrosopumilus maritimus is a highly adaptable species of #marine #archaea that accounts for approximately 30% of the marine #microbial #plankton population and plays a vital role in regulating the ocean's biological and chemical balance amid climate change.
#Microbiology #MarineBiology #Environmental #GlobalChangeBiology #OceanBiogeochemistry #ClimateChange #sflorg
https://www.sflorg.com/2026/03/mcb03092601.html
