General Information

Event name: AR-88-001
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Aulacomya ater
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (1980)
Individuals to contact: SCHWEIBOLD Laura

Location & Date

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Location: Latitude: -42.766667, Longitude: -65.015556
General location information: Bahia Nueva, Golfo Nuevo
HAB Area code(s): AR-17
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1988-01-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (Lebour) Balech 1985 (750000 cells/L)
Co-Ocurring Species/Genus: Prorocentrum micans ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Esteves, J.L., Santinelli, N., Sastre, V., Díaz, R., Rivas, O. (1992). A toxic dinoflagellate bloom and PSP production associated with upwelling in Golfo Nuevo, Patagonia, Argentina. Hydrobiología 242: 115-122.

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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Alexandrium tamarense Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: four human intoxications with hospitalization at the last stage of illness .
Created at 10:45 on 13 Nov 2019
Updated at 02:57 on 13 Nov 2019