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#deoxygenation

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Tino Eberl<p>Der <a href="https://mastodon.online/tags/Sauerstoffgehalt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sauerstoffgehalt</span></a> in Seen weltweit sinkt dramatisch. Laut einer Studie in Science Advances um bis zu 18,6 % in tieferen <a href="https://mastodon.online/tags/Wasserschichten" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Wasserschichten</span></a> seit 1980.</p><p>Hauptursachen sind steigende <a href="https://mastodon.online/tags/Temperaturen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Temperaturen</span></a>, zunehmende <a href="https://mastodon.online/tags/Hitzewellen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hitzewellen</span></a> und <a href="https://mastodon.online/tags/Algenbl%C3%BCten" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Algenblüten</span></a> durch <a href="https://mastodon.online/tags/D%C3%BCngemittel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Düngemittel</span></a>-Einträge.</p><p>Über 80 % der untersuchten 15.000 Seen zeigen bereits <a href="https://mastodon.online/tags/Sauerstoffmangel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sauerstoffmangel</span></a>. Die Folge sind zunehmendes <a href="https://mastodon.online/tags/Tiersterben" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tiersterben</span></a> und instabile <a href="https://mastodon.online/tags/%C3%96kosysteme" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ökosysteme</span></a>.</p><p><a href="https://doi.org/10.1126/sciadv.adt5369" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1126/sciadv.adt5369</span><span class="invisible"></span></a></p><p><a href="https://mastodon.online/tags/Klimawandel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Klimawandel</span></a> <a href="https://mastodon.online/tags/Deoxygenation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Deoxygenation</span></a> <a href="https://mastodon.online/tags/Biodiversit%C3%A4t" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Biodiversität</span></a> <a href="https://mastodon.online/tags/Eutrophierung" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Eutrophierung</span></a></p>
Or M. Bialik<p>Under anthropogenic stress, we talk a lot about <a href="https://mastodon.world/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ocean</span></a> <a href="https://mastodon.world/tags/warming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>warming</span></a> and ocean <a href="https://mastodon.world/tags/acidification" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acidification</span></a>... but we should also be talking more about ocean <a href="https://mastodon.world/tags/deoxygenation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>deoxygenation</span></a>, as it is an ongoing problem. To understand just how bad it can get ( <a href="https://mastodon.world/tags/extinction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>extinction</span></a> event bad ), we must turn, as usual, to the geological record.<br><a href="https://doi.org/10.1016/j.earscirev.2023.104664" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1016/j.earscirev.20</span><span class="invisible">23.104664</span></a></p>
Or M. Bialik<p><a href="https://mastodon.world/tags/WeekendReading" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WeekendReading</span></a>: Behrooz et al. on water column <a href="https://mastodon.world/tags/deoxygenation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>deoxygenation</span></a> and <a href="https://mastodon.world/tags/euxinia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>euxinia</span></a> (inc. surface waters) at the Paleocene <a href="https://mastodon.world/tags/Eocene" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Eocene</span></a> Thermal Maximum.<br><a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2023PA004828" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">agupubs.onlinelibrary.wiley.co</span><span class="invisible">m/doi/full/10.1029/2023PA004828</span></a></p>
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