General Information

Event name: PT-87-006
Country: PORTUGAL
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: Positive to DSP.)
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: SAMPAYO, MĒ Antonia

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Aveiro.,
HAB Area code(s): PT-02
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1987-08-13, End: 1987-11-18
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis sacculus (4,000 cells/L)
Dinophysis acuta (6,000 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: 18 °C, Min: 14 °C
Salinity Range During Event: Max: 36, Min: 20
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
Okadaic Acid Positive Bioassay-Mouse
Kit used: No Type of kit used:
Additional information: DSP toxins present in most bivalves as detected by the mouse assay (Yasumoto 1986).
Economic losses:
Management decision: Shellfish harvesting closed: 13/8/87-24/11/87
Additional harmful effect information:
Checked at 05:38 on 22 Feb 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES