anna_lillith 🇺🇦🌱🐖<p>Although large <a href="https://mas.to/tags/dams" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dams</span></a> get the most attention, the researchers found that nine in 10 European river barriers are less than 5 metres high.</p><p>Connecting <a href="https://mas.to/tags/rivers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rivers</span></a> helps <a href="https://mas.to/tags/wildlife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wildlife</span></a> travel and allows migratory fish to reach <a href="https://mas.to/tags/BreedingGrounds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BreedingGrounds</span></a>. Removing dams also allows water levels to vary over the year, which can cause habitat changes that increase the diversity of plants and animals, said Pol Huguet, a city councillor in the Spanish town of Manresa, whichremoved a dam as part of a <a href="https://mas.to/tags/rewilding" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rewilding</span></a> project.</p><p>6/9</p>