Harmful Algal Information System: Event ES-20-003

General Information

Event name:	ES-20-003
Country:	SPAIN
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes (Approximate range: 62 - >240 µg OA/kg)
Associated syndrome:	DSP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes
Event occurred before in this location:	Yes (since this area is monitored (2014), AO had been detected annualy in spring)
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):
Quarantine levels dates (yyyy/mm/dd):	First detection: 2020-03-10, End: 2020-06-29
Additional date-related information:	Maximum toxicity during May

Causative organism known:	Yes
Causative Species/Genus:	Dinophysis acuminata (1040 cells/L) Maximumat 0-10 m, in May
Co-Ocurring Species/Genus:	Dinophysis acuta (940 cells/L) Maximum at 20-30 m, in May Phalacroma rotundatum (ClaparÃ©de & Lachmann) Kofoid & Michener, 1911 (20 cells/L) 0-10 m
Chlorophyll concentration, if known:	Maxima: 1.2 ug/L in April and 2 ug/L in June (at 15 m) 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:

Growth Comments

Additional Environmental information:

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Mytilus galloprovincialis	Okadaic Acid	OA	>240 µg OA/kg	LC-MS

Kit used: No

Type of kit used:

Additional information:

Economic losses:

Management decision:

The bivalves production zone "Mendexa" could not be opened

Additional harmful effect information:

Created at 11:30 on 18 Nov 2020
Updated at 10:18 on 22 Dec 2020