General Information

Event name: ES-99-015
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Spring and summer of 1997 and 1998, at the same area.)
Individuals to contact: MAMÁN, Luz

Location & Date

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Location: Latitude: , Longitude:
General location information: Huelva Coast (Gulf of Cadiz, Atlantic), Andalucia, Huelva
HAB Area code(s): ES-09
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: April - August

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata Claparède et Lachmann 1859 (15,840 cells/L)
Maximum concentration of 15,840 cells/litre on June
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: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
Growth Comments Unknown but probably advected
Additional Environmental information: Intensive upwelling pulse generated with West trade winds a week before the Dinophysis peak

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Okadaic Acid OA eq Positive Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Closure of affected shellfisheries
Additional harmful effect information: DSP toxicity (detected by mouse bioassay)
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES