General Information

Event name: PT-89-010
Country: PORTUGAL
Nature of the harmful event:
Mass mortalities
Event directly affected:
Shellfish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Some red waters 1982, 1988 at coastal waters. Mortalities in closed systems like aquaculture ponds 1987, 1988.)
Individuals to contact: SAMPAYO, MĒ Antonia

Location & Date

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Location: Latitude: , Longitude:
General location information: Obidos Lagoon., Peniche.
HAB Area code(s): PT-03
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1989-06-23, End: 1989-06-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Heterosigma akashiwo (15,000,000 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: 20 °C, Min: 18 °C
Salinity Range During Event: Max: 36, Min: 33
Bloom location in the water column:
Growth:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Fisheries closed.
Additional harmful effect information:
Checked at 05:37 on 22 Feb 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES