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>