Kelp forest distribution map
<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Maximilian Dörrbecker</a> (<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Chumwa</a>)
CC BY-SA 2.0
<p>Own work  using:
</p>
<ul><li><a href="//commons.wikimedia.org/wiki/File:BlankMap-World6.svg" class="mw-redirect" title="File:BlankMap-World6.svg">this map</a></li>
<li>Robert S. Steneck, Michael H. Graham et al: <a rel="nofollow" class="external text" href="http://128.111.110.112/academics/courses/260/Readings/Steneck_et_al_2002.pdf">Kelp forest ecosystems - biodiversity, stability, resilience and future</a>. In: Environmental Conservation 29 (4), p. 436–459</li></ul>