Okadaic acid (OA), dinophysistoxins 1 (DTX1) and total pectenotoxins (total PTX) as fg cell<sup>-1</sup> for nutrient amendment experiments conducted using Northport Bay bloom water during 2011.

<p>Bars are means while error bars represent the SD of triplicate bottles. Asterisks indicate treatments that are significantly different from the unamended control. Abbreviations as in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0124148#pone.0124148.g002" target="_blank">Fig 2</a>.</p>