Harmful Algal Information System: Event ES-87-002

General Information

Event name:	ES-87-002
Country:	SPAIN
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes (Approximate range: 121 µg STXeq / 100 g.)
Associated syndrome:	PSP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes
Event occurred before in this location:	Yes (1976, 1981, 1985 and 1986.)
Individuals to contact:	CAMPOS, M.J. , FRAGA, Santiago

Location:	Latitude: , Longitude:
General location information:	Rías Bajas., Galicia, NW Spain. HAB Area code(s): ES-07 ES-08
Additional location information:	West Coast of Galicia.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	October.

Causative organism known:	Yes
Causative Species/Genus:	Gymnodinium catenatum Graham 1943 (21,000 cells/L) Maximum concentration in the upper 5 m using Lindahl's method.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: °C, Min: °C

Salinity Range During Event:

Bloom location in the water column:

Growth:

Advected
In situ

Growth Comments

Probably advected from offshore and concentrated inside the rías.

Additional Environmental information:

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Mussels	Saxitoxins	STX eq	121 µgr STX/100 g	Bioassay-Mouse

Kit used:

Type of kit used:

Additional information:

Economic losses:

Management decision:

Quarantines during more than a month variable according with the area.

Additional harmful effect information:

No water discoloration visible. No human illnesses.