General Information

Event name: ES-95-004
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Monitoring programme of the Centro de Control da Calidade do Medio Mariño.)
Event occurred before in this location: Yes (Not previous ocurrences of ASP toxicity higher than 20 ppm were registered in the Galician Rías.)
Individuals to contact: MANEIRO, Juan , MARIÑO, Joaquin , PAZOS, Yolanda

Location & Date

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Location: Latitude: , Longitude:
General location information: Parts of Ría de Pontevedra., Galicia, NW Spain.
HAB Area code(s): ES-08
Additional location information: Parts of Ría de Pontevedra.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: End of April - first week of May.


Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia spp. (1,106,640 cells/L)
Pseudo-nitzschia australis ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Pseudo-nitzschia species. Most likely, P. australis. Maximum cell concentration of Pseudo-nitzschia species was 1,106,640 cell/L.
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: 15 °C, Min: 12 °C
Salinity Range During Event: Max: 35, Min: 32
Bloom location in the water column:
In situ
Growth Comments Probably "in situ".
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Harvesting was closed when ASP toxin content was equal or higher than 20 ppm.
Additional harmful effect information: Presence of ASP toxicity in bivalves.