Harmful Algal Information System: Event PT-88-016

General Information

Event name:	PT-88-016
Country:	PORTUGAL
Nature of the harmful event:
Event directly affected:
Toxicity detected:	No
Associated syndrome:	DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:
Individuals to contact:	SAMPAYO, Mª Antonia

Location & Date

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Location:	Latitude: , Longitude:
General location information:	S. Martinho Bay, HAB Area code(s): PT-01
Additional location information:
Bloom event dates (yyyy/mm/dd):	Start: 1988-08-28, End: 1988-10-24
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Dinophysis acuta (2500 cells/L) First occurrence Aug. 8: 2500 cells/l = max.
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:

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:

Harvesting of shellfish banned

Additional harmful effect information:

All bivalve molluscs affected; toxin levels and retention time depending on species. Maximum toxicity (mouse assay, Yasumoto 1986) +++ No human illness reported.

Checked at 05:32 on 22 Feb 2018