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Seasonal Distribution Of Dinoflagellates In The Lower York River, Virginia, Gail Brown Mackiernan

Dissertations, Theses, and Masters Projects

Surface plankton samples were collected weekly over a 14-month period from the York River at Gloucester Point, Virginia. All dinoflagellates collected were identified to the species level when possible, and the relative abundance of each form was noted. The local dinoflagellate flora was examined with attention being given to environmental factors which might influence its composition. Special emphasis was placed on "red water" blooms.

One hundred eighteen separable forms, representing 20 genera of Pyrrhophyta, were collected. Of these, 84 were identified to the species level with reasonable certainty. Five of the 118 belonged to the class Desmophyceae, the remainder to …