Macroalgal (Boodlea composita) bloom at Kure and Midway Atolls, Northwestern Hawaiian Islands
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Peter S. Vroom
, Jacob Asher , Cristi L. Braun , Edmund Coccagna , Oliver J. Vetter , Wendy A. Cover , Kristin M. McCully , Donald C. Potts , Amarisa Marie and Cynthia Vanderlip
Abstract
The first recorded macroalgal bloom to occur at Kure and Midway Atolls in the highly protected Northwestern Hawaiian Islands was observed during summer 2008 on shallow water reefs. The native green macroalga Boodlea composita formed dense mats centimeters in thickness in select areas and formed decomposing masses on beaches at Kure Atoll. Mild oceanographic conditions during winter 2008 likely weakened lagoonal flushing systems, and when coupled with weeks of low wind and warm sea surface temperatures during the proceeding summer months, physical conditions within the lagoons of each atoll fostered rapid growth of this normally non-blooming alga.
©2009 by Walter de Gruyter Berlin New York
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