General Information

Event name: PT-18-015
Country: PORTUGAL
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (National System of Bivalve Molluscs Monitoring)
Event occurred before in this location: Yes
Individuals to contact: BRANCO, Maria Ana , GONÇALVES, Andre

Location & Date

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Location: Latitude: 38.675833, Longitude: -9.218889
General location information: Tagus estuary, Southwest coast
HAB Area code(s): PT-04
Additional location information: estuarine ecosystem
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2018-09-28, End: 2018-12-06
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Gymnodinium catenatum (14420 cells/L)
on october 3
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: 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:
Subsurface
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: Production area interdicted to bivalve harvesting
Additional harmful effect information:
Created at 03:51 on 26 Mar 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES