General Information

Event name: US-17-017
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: < or = to 51 ug STX equivalents per 100 g shellfish tissue)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): No documented human illness
Report the outcome of a monitoring programme: Yes (FWC/FWRI HAB Monitoring Program)
Event occurred before in this location: Yes (Annually)
Individuals to contact: HUBBARD, Katherine

Location & Date

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Location: Latitude: 28.500000, Longitude: -80.533333
General location information: Indian River Lagoon; Brevard County, East Coast of Florida
HAB Area code(s): US-15
Additional location information: Lagoon
Bloom event dates (yyyy/mm/dd): Start: 2017-05-01, End: 2017-10-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: May to October 2017 , no precise days given


Causative organism known: Yes
Causative Species/Genus: Pyrodinium bahamense (17643865 cells/L)
PSP producer; represents the highest Pyrodinium cell concentration observed by FWC
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
hard clam (Mercenaria mercenaria) Bioassay-Mouse
Kit used: No Type of kit used:
Additional information: 51 ug STX equivalents per 100 g shellfish tissue
Economic losses:
Management decision: shellfish harvest closures (based on cell counts/lack of resource)
Additional harmful effect information:
Created at 09:21 on 23 Apr 2018