The mangrove mud is rather anaerobic (oxygen poor) and unstable and plants have root adaptations to cope with these conditions. Mangroves are salt-tolerant trees, halophytes, are adapted to life in harsh coastal conditions. Havelock Island, Andaman Islands, India.
<a href="//commons.wikimedia.org/wiki/User:Argenberg" title="User:Argenberg">Vyacheslav Argenberg</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>