Map of sampling region.

<p>The position of the different samples collected from the nine sites during 2003 (made using ArcGIS, Version 10.2 using data from [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0143637#pone.0143637.ref026" target="_blank">26</a>]). Place names mentioned in the text, and bathymetry (m) also shown. Gravel-sand-mud, and mud-silt-clay ternary diagrams for each site also shown.</p>