Harmful Algal Information System: Event ES-99-010

General Information

Event name:	ES-99-010
Country:	SPAIN
Nature of the harmful event:
Event directly affected:
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:	Yes (since 1996, during summer months.)
Individuals to contact:	VILA, Magda

Location & Date

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Location:	Latitude: , Longitude:
General location information:	Barcelona Harbour., Catalonia, NE Spain. HAB Area code(s): ES-22
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	June-September 1999.

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Alexandrium catenella (2,7 x (10) cells/L) Up to 2,7x(10)5
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: 27 °C, Min: 23 °C

Salinity Range During Event:

Max: 37, Min: 37

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:

Increase of the number of phytoplankton samples in the harbours and sorrounding open waters. Increase of the surveillance in the harbours affected to prevent the illegal extraction of mussels.

Additional harmful effect information:

Toxicity not analyzed this year inside the harbour. This year, this species has been detected in other monitoring stations as Coma-ruga, Vilanova, Garraf, P. Olimpic and Arenys harbours, and Castelldefels beach.