Presentation on theme: "Killer Algae:The use of tracking analyst to study Red Tides Harris Muhlstein."— Presentation transcript:
Killer Algae:The use of tracking analyst to study Red Tides Harris Muhlstein
What are red tides? Blooms of phytoplankton Water becomes discolored (redish,brown, green, etc.) Blooms associated with shellfish toxicity and fish kills. Recognized since biblical times
Karenia brevis Red tide dinoflagellate Occurs in Gulf of Mexico & SE Atlantic Brevatoxins: potent to fish and mammals Cause asthma-like symptoms when aerosolized NSP
Karenia brevis background concentrations: 1-100 cells/L Fish kills: 100-200 cells/mL Shell fish beds closed: 5 cells/mL
Data UTMSI established a multi-year sampling regime at 5 stations along the Texas coast Sampling coordinated with TPWD and The National Fish and Wildlife Foundation November 98 – April 01 Bi-monthly sampling Dates were standardized
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