Summary: | This investigation focused on weekly variations in cell density and volume of the dinoflagellate<i>Noctiluca scintillans</i> between March 2001 and January 2004 in the Dardanelles. March-June andOctober-December periods were excessive bloom periods. During the bloomperiods the density of <i>N. scintillans</i> reached 2.20 × 10<sup>5</sup> cells L<sup>-1</sup> witha volume of 1.32 × 10<sup>12</sup> µm<sup>3</sup> L<sup>-1</sup>. In addition tothe high surface density, there was an increase in subsurface waters duringthe blooms. The bloom of <i>N. scintillans</i>, like that of diatom and otherdinoflagellate blooms, was associated not only with eutrophication, but alsowith stable temperatures and salinities.
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