General Information

Event name: ES-97-003
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: DSP Positive)
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: No
Individuals to contact: MAMÁN, Luz

Location & Date

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Location: Latitude: , Longitude:
General location information: Gulf of Cadiz (Atlantic coast)., Andalucia, Huelva.
HAB Area code(s): ES-09 ES-10
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: March - July.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (5,900 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:
Growth Comments Unknown. Probably the bloom formation started at rivers mouths areas: Guadiana River (western section of the Gulf), Odiel and Guadalquivir Rivers (eastern section of the Gulf).
Additional Environmental information: Wind direction: SW-S.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Okadaic Acid Positive Bioassay-Mouse
Kit used: No Type of kit used:
Additional information: Toxification of shellfish (detected by mouse bioassay for DSP).
Economic losses:
Management decision: Closure shellficheries. The water monitoring program was definitely increased (up to date) from monthly to weekly for the whole region.
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES