SoundHAB: Dinophysis observations over last month

[Megan Black]

As of this evening, the Sequim Bay bloom is dominated by the actively  
swimming dinoflagellate Cochlodinium sp.  Most likely the species is  
polykrikodes, because it does occur in doublets, but more frequently  
singlets are seen that could resemble the species helikoides.  Please  
refer to the excellent link with species line drawings.

  http://www.cearac-project.org/wg3/cochlo-entrance/english/English_bio_taxo.htm


The 1 ml sample taken from the State Park Dock at high tide also  
contained few large feeding tininids (Flavella) along with one  
rotifer.  The second most abundant cells were very large lethargic  
Alexandium. Also seen were A few tiny Gymnodinium, Akashiwo  
sanguinium, Gyrodinium spiralis, and Protoperinium.  I did spot a  
single Dinophysis, and a single Cercomonad.  Notably, no residual  
trace was seen of the Heterosigma bloom reported Wed.  Once again,  
this may be a case of shifting water masses.



Megan Black, M.S.
Algal Biologist
PhD. Candidate
Biology Department
University of Washington
24 Kincaid Hall
Box 351800
Seattle, WA 98195-1800
(425)753-5679
mmdblack at uw.edu
http://diamondpointbeach.blogspot.com/



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