General Information

Event name: PT-08-017
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Mytilus spp.; Cerastoderma spp.
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (Recurrent, seasonal)
Individuals to contact: Moita, Teresa , BRANCO, Maria Ana

Location & Date

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Location: Latitude: 40.644167, Longitude: 8.748056
General location information: Marégrafo, Aveiro
HAB Area code(s): PT-02
Additional location information: Ria de Aveiro mouth sampling at high tide
Bloom event dates (yyyy/mm/dd): Event Date:2008-07-14
Start: 2008-05-07, End: 2008-08-11
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Dinophysis acuta Ehrenberg 1841 (16420 cells/L)
Co-Ocurring Species/Genus: Chaetoceros socialis Lauder 1864 (10150 cells/L)
Leptocylindrus danicus Cleve 1889 (10320 cells/L)
Proboscia alata (Brightwell) Sundström 1986 (67640 cells/L)
Ceratium fusus (Ehrenberg) Dujardin 1841 (17840 cells/L)
Dinophysis acuminata Claparède et Lachmann 1859 (3600 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: Unidentified Cryptophyceae (8400 cells/L)
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 15 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 35.3 Current Velocity: 0
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:
Additional harmful effect information:
Checked at 05:32 on 22 Feb 2018