General Information

Event name: PT-01-002
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 163 mg DA/Kg)
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Mollusc bivalves, mainly Ruditapes decussatus, Cerastoderma ecule, Mytilus edulis, Donax spp.
Report the outcome of a monitoring programme: Yes (Monitoring Programme.)
Event occurred before in this location: Yes
Individuals to contact: SAMPAYO, M Antonia

Location & Date

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Location: Latitude: 36.500000, Longitude: -8.666667
General location information: Lagos - Sagres (Algarve coast).,
HAB Area code(s): PT-06
Additional location information: Longitude from: 8 40'-- 8 50' W.
Bloom event dates (yyyy/mm/dd): Start: 2001-02-28, End: 2001-03-06
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia australis (89,000 cells/L)
Co-Ocurring Species/Genus: Pseudo-nitzschia spp. (700,000 cells/L)
Chaetoceros spp. ( cells/L)
Eucampia zodiacus ( cells/L)
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: 17 °C, Min: 17 °C
Salinity Range During Event: Max: 35, Min: 19
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
R.decussatus, C.edule, M.edulis Domoic Acid DA eq 163 mg/Kg LC
Kit used: No Type of kit used:
Additional information: Quilliam method.
Economic losses: Close the area to bivalve catch.
Management decision:
Additional harmful effect information:
Checked at 05:33 on 22 Feb 2018