Harmful Algal Information System: Event ES-23-001

General Information

Event name:	ES-23-001
Country:	SPAIN
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes (Approximate range: 55 mg DA/kg)
Associated syndrome:	ASP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes
Event occurred before in this location:	Yes (ES-19-002)
Individuals to contact:	REVIILLA, Marta , SOLAUN, Oihana

Location:	Latitude: 43.356667, Longitude: -2.448056
General location information:	Longline Mendexa, Basque Country HAB Area code(s): ES-01
Additional location information:	Open marine waters
Bloom event dates (yyyy/mm/dd):	Event Date:2023-03-13
Quarantine levels dates (yyyy/mm/dd):	First detection: 2023-03-13,
Additional date-related information:	Toxicity decreased quickly

Causative organism known:	Yes
Causative Species/Genus:	Pseudo-nitzschia spp. (65704 cells/L) Max. at 20-30 m (hose)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	2.6 (maximum, at 8 m) µg/l
Additional bloom information:
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: 12.6 °C, Min: 12.8 °C

Salinity Range During Event:

Max: 35.3, Min: 35.3

Bloom location in the water column:

Subsurface

Growth:

Growth Comments

Additional Environmental information:

Chl-a and hydrographic data refer to the water column (0-30 m), on 2023-03-13.

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Mytilus galloprovincialis	Domoic Acid	DA	55 mg DA/kg	LC-UV

Kit used: No

Type of kit used:

Additional information:

Economic losses:

Management decision:

Additional harmful effect information:

Temporary closure of the bivalves production zone

Created at 02:26 on 27 Mar 2023