Sample Sequencing Plan.

<p><sup>a</sup> Sequencing plan for both exposed and submerged sands</p><p><sup>b</sup> Month abbreviations: Jun = June, Aug = August, Sep = September, Nov = November.</p><p><sup>c</sup> At each beach, three sand samples (A, B, C) were collected at each of three sites (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0074265#B1" target="_blank">1, 2</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0074265#B3" target="_blank">3</a>) located approximately 100 m apart.</p><p><sup>d</sup> 1A+2A, indicates the 1A sample and 2A sample were combined in equal weight proportions prior to DNA extraction.</p><p><sup>e</sup> At each beach, three water samples (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0074265#B1" target="_blank">1, 2</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0074265#B3" target="_blank">3</a>) were collected approximately 100 m apart</p><p>Sample Sequencing Plan.</p>