Harmful Algal Information System: Event PT-95-028

General Information

Event name:	PT-95-028
Country:	PORTUGAL
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes (Approximate range: 436 痢 STXeq / 100 g.)
Associated syndrome:	PSP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:	No
Individuals to contact:

Location:	Latitude: , Longitude:
General location information:	Arado Estuary, Portimao. HAB Area code(s): PT-06
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	Yes
Causative Species/Genus:	Gymnodinium catenatum (1,000 cells/L) September 12
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: 22 °C, Min: 14 °C

Salinity Range During Event:

Max: 37, Min: 20

Bloom location in the water column:

Growth:

Advected
In situ

Growth Comments

A combination of both.

Additional Environmental information:

This area is Closed all the year due to bacterial contamination.

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Ostrea edulis (Oct. 24)	Saxitoxins	STX eq	436	Bioassay-Mouse

Kit used: No

Type of kit used:

Additional information:

Economic losses:

Management decision:

Bivalve species with PSP values over 80 痢/100g closed to harvest. This area is Closed all the year due to bacterial contamination.

Additional harmful effect information:

Almost all exploited bivalve molluscs from this region presented PSP toxins.

Checked at 05:35 on 22 Feb 2018