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#phytoplancton

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IRAP<p>[Retour sur <a href="https://astrodon.social/tags/Terre" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Terre</span></a> ...] Entre terre et mer il y a la plage, le <a href="https://astrodon.social/tags/sable" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sable</span></a> et ses grains de <a href="https://astrodon.social/tags/quartz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>quartz</span></a> que le déferlement des <a href="https://astrodon.social/tags/vagues" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>vagues</span></a> dissout contînûment, alimentant le <a href="https://astrodon.social/tags/phytoplancton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>phytoplancton</span></a> en silicium dissous. </p><p>Cette nouvelle source de silicium dissous vient d'être découverte par plusieurs chercheurs de l'Observatoire Midi-Pyrénées, dont Sébastien Fabre de l'IRAP. Elle s'ajoute à celles que constituent les fleuves, les décharges d’eaux souterraines et les sources hydrothermales.</p><p>En quoi la <a href="https://astrodon.social/tags/PompeBiologique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PompeBiologique</span></a>, mécanisme grâce auquel l’océan capture et séquestre le <a href="https://astrodon.social/tags/CO2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CO2</span></a> atmosphérique, s'en trouve-t-elle affectée ? La réponse ici : <a href="https://www.irap.omp.eu/2025/03/la-contribution-des-plages-de-sable-au-cycle-oceanique-de-la-silice/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">irap.omp.eu/2025/03/la-contrib</span><span class="invisible">ution-des-plages-de-sable-au-cycle-oceanique-de-la-silice/</span></a></p>
DORIS_FFESSM_BioSubaquatique<p>Après l'<a href="https://piaille.fr/tags/algue" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>algue</span></a> microscopique à 6 branches d'il y a peu, en voici une autre, avec un peu moins de branches et dont la fiche parait ce jour. Elle est utilisée en <a href="https://piaille.fr/tags/pal%C3%A9oclimatologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paléoclimatologie</span></a> pour évaluer la température des océans : <br>La cosmopolite silicoflagellé à 4 branches !</p><p>QUINTIN Christophe, MOUGET Jean-Luc, MÜLLER Yves in : <a href="https://piaille.fr/tags/DORIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DORIS</span></a>, 16/02/2025 : <br>Dictyocha fibula Ehrenberg, 1839, <a href="https://doris.ffessm.fr/ref/specie/6022" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doris.ffessm.fr/ref/specie/602</span><span class="invisible">2</span></a></p><p><a href="https://piaille.fr/tags/biodiversite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversite</span></a> <a href="https://piaille.fr/tags/Dictyochales" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Dictyochales</span></a> <a href="https://piaille.fr/tags/v%C3%A9g%C3%A9taux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>végétaux</span></a> <a href="https://piaille.fr/tags/BioSubaquatique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BioSubaquatique</span></a> <a href="https://piaille.fr/tags/pal%C3%A9oclimatologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paléoclimatologie</span></a> <a href="https://piaille.fr/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a> <a href="https://piaille.fr/tags/phytoplancton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>phytoplancton</span></a></p>
Antonio Vecoli<p>🔵🌊🌀🇳🇴In the last few days a huge <a href="https://mastodon.uno/tags/Phytoplancton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Phytoplancton</span></a> bloom is located in the <a href="https://mastodon.uno/tags/NorwegianSea" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NorwegianSea</span></a>,just about 100km from <a href="https://mastodon.uno/tags/Troms%C3%B8" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tromsø</span></a>. The <a href="https://mastodon.uno/tags/Sentinel3" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sentinel3</span></a> water reflectance shows all the colors of eddies and swirls covering more than 54000km2 and partially hidden by clouds. It is <a href="https://mastodon.uno/tags/EarthArt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EarthArt</span></a> <a href="https://mastodon.uno/tags/Norway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Norway</span></a> <span class="h-card"><a href="https://mastodon.green/@MarkH" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>MarkH</span></a></span> <span class="h-card"><a href="https://mastodon.green/@HelgavanLeur" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>HelgavanLeur</span></a></span> <span class="h-card"><a href="https://mstdn.social/@Nature" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>Nature</span></a></span> <span class="h-card"><a href="https://eupolicy.social/@NorwayEU" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>NorwayEU</span></a></span> <span class="h-card"><a href="https://mastodon.world/@vincentgabaglio" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>vincentgabaglio</span></a></span> <span class="h-card"><a href="https://fediscience.org/@LotharSchueller" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LotharSchueller</span></a></span> <br><span class="h-card"><a href="https://mastodon.social/@markmccaughrean" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>markmccaughrean</span></a></span> <span class="h-card"><a href="https://social.linux.pizza/@RaphaelGrandin" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>RaphaelGrandin</span></a></span> <span class="h-card"><a href="https://vis.social/@rsimmon" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>rsimmon</span></a></span> <span class="h-card"><a href="https://mapstodon.space/@SatelliteSci" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>SatelliteSci</span></a></span></p>
Stephanie Girardclos<p>Podcast "Les faces cachées du climat" : rôle essentiel du <a href="https://mastodon.top/tags/phytoplancton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>phytoplancton</span></a> dans notre <a href="https://mastodon.top/tags/climat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>climat</span></a> . Et que se passe de t'il dans le <a href="https://mastodon.top/tags/L%C3%A9man" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Léman</span></a> ?</p><p>Marie Elodie Perga @MEPerga Bastian Ibelings @MECO_UniGe &amp; Natacha Tofield-Pasche </p><p>@EPFL @unil @unige_ise @sciences_UNIGE @LexploreLeman <br>---<br>RT @EPFL<br>Le phytoplancton est invisible à l'oeil nu… 👀 mais il est indispensable à la vie sur Terre. C'est donc lui la vedette du premier épisode du tout nouveau podcas…<br><a href="https://twitter.com/EPFL/status/1638076226362286081" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">twitter.com/EPFL/status/163807</span><span class="invisible">6226362286081</span></a></p>