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July 4, 2010 - Oceanus update

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Alexandrium surface live counts. R/V Oceanus 465, June 30 - July 4, 2010 (WHOI / D. Anderson & D. McGillicuddy laboratories)

Hello All,

Earlier today we finished our survey of Georges Bank (see map).  A broad swath of cell concentrations in excess of 100 cells per liter occurred along the western two-thirds of the southern flank, peaking at 2600 cells per liter.  Elsewhere on the bank, cell concentrations were low.  Bruce Keafer, Kerry Norton, and Chrissy Petitpas noted planozygotes in the live counts, suggesting the bloom may have reached its peak.

During the survey we occupied a pump station at the FDA shellfish monitoring site on Cultivator Shoal, despite a live count of zero in that location.  A pump station was also occupied at the shelf edge, southwest of Oceanographers Canyon, where the live count was 708 cells per liter.

We are currently in transit westward to commence our coastal survey.

Best Wishes,

On behalf of the OC465 Science Party

Last updated: July 1, 2019

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