Harmful Algal Information System: Event ES-97-002

General Information

Event name:	ES-97-002
Country:	SPAIN
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes (Approximate range: > 20 ppm DA.)
Associated syndrome:	ASP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes (Monitoring programme of the Centro de Control da Calidade do Medio Mariño.)
Event occurred before in this location:	No
Individuals to contact:	MANEIRO, Juan , PAZOS, Yolanda , MOROÑO, Ángeles

Location:	Latitude: , Longitude:
General location information:	Rias of Vigo, Pontevedra, Muros and Ares., Galicia, NW Spain. HAB Area code(s): ES-05 ES-07 ES-08
Additional location information:	Rías of Vigo, Pontevedra, Muros and Ares.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	On April in the Rías of Vigo, Pontevedra, Muros and Ares. On October in the Rías of Vigo and Pontevedra.

Causative organism known:	Yes
Causative Species/Genus:	Pseudo-nitzschia spp. (500,000 cells/L)
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

The population that appeared on April was in situ growth while the October population was probably advected.

Additional Environmental information:

Variable conditions.

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Mussels	Domoic Acid	DA eq		LC
Scallops	Domoic Acid	DA eq		LC

Kit used: No

Type of kit used:

Additional information:

ASP bivalve (mussels and scallops) toxicity.

Economic losses:

Management decision:

Harvesting was closed in culture areas when domoic acid concentration was more than 20 ppm.

Additional harmful effect information: