<p>The presented results are from the following sources: <i>E</i>. <i>huxleyi</i> data: continuous cultures from this study (solid green circles), batch cultures from [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0141643#pone.0141643.ref010" target="_blank">10</a>] (open brown circles) and [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0141643#pone.0141643.ref036" target="_blank">36</a>] (open blue circles). <i>G</i>. <i>oceanica</i> data: batch cultures from [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0141643#pone.0141643.ref010" target="_blank">10</a>] (open brown squares) and [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0141643#pone.0141643.ref023" target="_blank">23</a>] (open purple squares). All data are from C<sub>37</sub> methyl alkenones. The C<sub>37:2</sub> and C<sub>37:3</sub> alkenones were measured and plotted separately in this study, whereas they were combined and measured together in [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0141643#pone.0141643.ref010" target="_blank">10</a>,<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0141643#pone.0141643.ref023" target="_blank">23</a>,<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0141643#pone.0141643.ref036" target="_blank">36</a>].</p
