General Information

Event name: US-99-013
Country: UNITED STATES
Nature of the harmful event:
Mass mortalities
Event directly affected:
Toxicity detected: Yes
Associated syndrome: NSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes
Individuals to contact: VILLAREAL, Tracy

Location & Date

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Location: Latitude: 26.199722, Longitude: -97.033056
General location information: Brownsville., Texas.
HAB Area code(s): US-18
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1999-10-05, End: 1999-10-12
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Approximate dates.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Gymnodinium breve (10 (6) cells/L)
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: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth: Advected
Growth Comments Probably advected.
Additional Environmental information: Surf zone, bays.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Updated at 07:14 on 2 Nov 2020
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES