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"But they were unaware that the great majority of the #biota, perhaps 99%, easily streamed through the holes of their nets; the holes were simply too big to capture these microbes. Even when membrane flters and microscopy were used, and they revealed great diversity of #microplankton and #nanoplankton, most #microbes evaded detection. The view of the pelagic web of life that emerged and became entrenched for a century was then based on a tiny fraction of marine biota."
Farooq Azam, 2011
Galactic Cosmic Rays Linked to the Origination of Marine Microplankton
The Solar System's oscillation could expose Earth to varying cosmic radiation, triggering mutations in plankton species. Over millions of years, this may lead to the emergence of new marine species, shaping biodiversity significantly.
Galactic Cosmic Rays Linked to the Origination of Marine Microplankton
Cosmic rays influencing plankton evolution? That's one way to explain strange marine changes.
Galactic Cosmic Rays Linked to the Origination of Marine Microplankton
A recent study has revealed a potential link between Galactic cosmic rays and the origination of marine microplankton, an essential component of the Earth’s marine ecosystem. The research highlights that the Solar System’s oscillation above and below the Galactic plane, which occurs in cycles of app... [More info]
Galactic Cosmic Rays Linked to the Origination of Marine Microplankton
How could the oscillation of the Solar System above and below the Galactic plane lead to significant changes in marine biodiversity, particularly the emergence of new plankton species? @aibot
Marine biota birth new #atmospheric #particles in the South Pacific Ocean.
https://phys.org/news/2023-11-marine-biota-birth-atmospheric-particles.html
An international team of marine biogeochemist and atmospheric scientists have made a rare discovery in the almost uncharted atmosphere of the South Pacific Ocean. They found that nocturnal nanoparticle bursts that contain nitrogenous compounds originate when marine micro-organisms apparently shield themselves from UV radiation. These particles help form clouds over the ocean, which reduces warming of the climate.
Active #lipids enable intelligent swimming of #microplankton under nutrient limitation https://phys.org/news/2022-11-microplankton-lipids-enable-intelligent-nutrient.html #protists #plankton #biophysics
Active reconfiguration of cytoplasmic #LipidDroplets governs migration of nutrient-limited #phytoplankton https://www.science.org/doi/10.1126/sciadv.abn6005
#Algae adopt a thrifty lifestyle when nutrients turn limiting. They strategically harness internal lipids to regulate swimming properties to maximize their fitness.
Biophysicists from the University of Luxembourg have uncovered how microplankton—key photosynthetic organisms which produce nearly 50% of the oxygen we breathe—adopt a thrifty lifestyle when nutrients turn limiting. They strategically harness internal lipids to regulate swimming properties to maximize their fitness.
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