General Information

Event name: AR-00-002
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: Domoic acid)
Associated syndrome: ASP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (EPEA - fixed monitoring station)
Event occurred before in this location: No
Individuals to contact: Negri Rubén

Location & Date

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Location: Latitude: -38.466667, Longitude: -57.683333
General location information: Mar del Plata, Buenos Aires Province
HAB Area code(s): AR-04
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2000-07-14
Start: 2000-07-04, End: 2000-08-08
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia australis (28000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 3.3 µg/l
Additional bloom information:
Event-related bibliography: Negri, R.M., Montoya, N., Carreto, J.I., Akselman, R., Inza, D., 2004. Pseudo-nitzschia australis, Mytilus edulis, Engraulis anchoita, and Domoic Acid in the Argentine Sea. In: Steidinguer, K.A., Landsberg, J.H., Tomas, C.R., Vargo, G.A. (Eds.), Harmful Algae 2002. Florida Fish and Wildlife Conservation Comission, Florida Institute of Oceanography, and Intergovernamental Oceanographic Comission of UNESCO, St. Petesbourg, Florida, USA,pp. 139–141. Oceanographic Commission of UNESCO, pp 437–439.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 11 to 12 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 33.9 to 34.1 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 11 °C, Min: 12 °C
Salinity Range During Event: Max: 34.1, Min: 33.9
Bloom location in the water column: Whole column
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Domoic Acid DA 7.7 µg g-1 Other Chem. Analyt.
Engraulis anchoita Domoic Acid DA 76.6µg g-1 Other Chem. Analyt.
Kit used: No Type of kit used:
Additional information: HPLC with diode array detection (Wright and Quilliam 1995
Economic losses:
Management decision:
Additional harmful effect information: 76.6µg g-1 were detected in stomach content
Created at 12:38 on 27 Aug 2018