Tidal and Diurnal Factor Influences on Distribution-Change Patterns of Intertidal Marine Harpacticoid Copepods: North Sand Sprit Park Beach, Stuart, Florida
Ruddell, John Milton
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A marine ecological study was carried out on the northern beach of Sand Sprit Park, Stuart, Florida. A simple hand corer was used to gather samples of harpacticoid copepods from the top 15 cm of sand at the high tide line. The sampling covered a period of 73 one-hour sampling periods. The purpose of the study was to investigate the possibility of a vertical migratory pattern in these intertidal copepoda and specifically to determine if the tidal cycle plays a significant role in influencing this migration. The results of the study indicate first of all, that stratification appears to occur on a vertical plane in the intertidal zone. Secondly, migration does seem to occur in a vertical direction. Finally, this migration does not appear to be directly connected with tidal change.With honors.