General Information

Event name: US-14-015
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: Yes (Approximate range: <40-217 ug STX equivalents per 100 g shellfish tissue)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): no documented human illnesses
Report the outcome of a monitoring programme: Yes (FWC/FWRI HAB Monitoring Program)
Event occurred before in this location:
Individuals to contact: HUBBARD, Katherine

Location & Date

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Location: Latitude: 28.083333, Longitude:
General location information: Indian River Lagoon; Brevard County, East Coast of Florida
HAB Area code(s): US-15
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2014-08-13, End: 2014-11-22
Additional date-related information: 7/13/14-11/22/14


Causative organism known: Yes
Causative Species/Genus: Pyrodinium bahamense (2425000 cells/L)
dinophyceae. PSP producer
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: 32 °C, Min: 20.4 °C
Salinity Range During Event: Max: 38.8, Min: 23.2
Bloom location in the water column:
In situ
Growth Comments
Additional Environmental information: DO ranged from 2.1-9.7 mg/L

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Hard Clam, Mercenaria mercenaria Saxitoxins 216g STX per 100g Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: shellfish harvest closure
Additional harmful effect information:
Created at 08:46 on 8 Feb 2017