General Information

Event name: PT-88-015
Country: PORTUGAL
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, M Antonia

Location & Date

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Location: Latitude: , Longitude:
General location information: bidos Lagoon,
HAB Area code(s): PT-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1988-08-03, End: 1988-11-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis sacculus (7000 cells/L)
First occurrence Jul. 26: 7000 cells/l = max.
Co-Ocurring Species/Genus: Dinophysis acuta (4000 cells/L)
First occurrence Jul. 13; 500 cells/l; max. 4000 cells/l Aug. 2
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:
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