Stefan F. Wirth<p>Creation of <a href="https://biologists.social/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a>: the <a href="https://biologists.social/tags/Berlin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Berlin</span></a> <a href="https://biologists.social/tags/lake" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lake</span></a> "<a href="https://biologists.social/tags/Lietzensee" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Lietzensee</span></a>" is part of a chain of <a href="https://biologists.social/tags/iceage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>iceage</span></a> lakes. However, it is no longer directly connected to the neighboring lakes, but is "fed" exclusively by <a href="https://biologists.social/tags/groundwater" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>groundwater</span></a>. The result is poor <a href="https://biologists.social/tags/waterquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>waterquality</span></a>, a hostility to life that has been exacerbated by the previous open bank design. They are actually in order to improve that landscape and the water quality. </p><p>© <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> Berlin 2024</p><p>Photo: Lietzensee, © S. F. Wirth</p>