CONTENTS 



Page 



Introduction 1 



Historical 2 



General conditions during red-tide outbreaks 3 



Temperature 3 



Salinity 3 



Rainfall 4 



Wind 4 



Light 4 



Upwelling 5 



Nutrient levels 5 



Are preceding diatom blooms conducive to red tide? 5 



Distribution of red-tide bloonns 6 



Effect of dead fishes in continuing a red-tide bloom 7 



Field observations on Florida red tide 7 



Seasonal occurrence of red tide 8 



The role of convergences in causing red-tide blooms 8 



Coastwise and seasonal abundance 10 



Pollution as a contribution to red-tide outbreaks 10 



Life forms of Gymnodinium breve 10 



Control of red tide 12 



Damage from red-tide outbreaks 12 



Methods of control • • 13 



Prevention of outbreaks 13 



Control of outbreaks 13 



Suggestions for future research 14 



Laboratory studies of the organism 15 



Field studies of red tide 16 



Control methods 16 



Need for coordinated research 16 



References pertaining to red tide and related subjects 17 



Subject index to selected topics 76 



Appendix table 1 85 



