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Biol Bull 128: 90-101. (February 1965)
© 1965 Marine Biological Laboratory
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THE EFFECTS OF TEMPERATURE AND SALINITY CHANGE ON SWIMMING RATE IN THE DINOFLAGELLATES, GONYAULAX AND GYRODINIUM

WILLIAM G. HAND 1, PATRICIA A. COLLARD 1, and DEMOREST DAVENPORT 1

1 The University of California, Santa Barbara, Santa Barbara, Calif. 93018

1. Apparatus is described with which it is possible to make rapid measurements of linear velocity and rate of change of direction in the motile microorganism.

2. Observations on the relation between linear velocity and salinity have been made in the dinoflagellates, Gonyaulax and Gyrodinium.

3. Data are also presented on the relation of linear velocity to temperature in the two forms.

4. Results are discussed in relation to the ecology of the organisms.






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Copyright © 1965 by the Marine Biological Laboratory.