General Information

Event name: PT-88-012
Nature of the harmful event:
Event directly affected:
Toxicity detected: No
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: SAMPAYO, MĒ Antonia

Location & Date

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Location: Latitude: , Longitude:
General location information: Off Espinho and northern coast,
HAB Area code(s): PT-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 88-07-20, End: 88-11-16
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuta (14000 cells/L)
First occurrence July 6: 300 cells/l; max Oct. 20: 14000 cells/l
Co-Ocurring Species/Genus: Dinophysis sacculus ( cells/L)
First and only detection Sept. 6: 1000 cells/l
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:
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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Harvesting of shellfish banned
Additional harmful effect information: All bivalve molluscs affected; toxin levels and retention time depending on species. Maximum toxicity (mouse assay, Yasumoto 1986) +++ No human illness reported.
Checked at 05:32 on 22 Feb 2018