Harmful Algal Information System: Event US-94-023

General Information

Event name:	US-94-023
Country:	UNITED STATES
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes (Approximate range: 10 痢/g DA.)
Associated syndrome:	ASP
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:	HORNER, Rita

Location & Date

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Location:	Latitude: , Longitude:
General location information:	Southern Hood Canal., Washington. HAB Area code(s): US-24
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	November-December.

Microalgae

Causative organism known:	No
Causative Species/Genus:	Pseudo-nitzschia pungens f. multiseries ( cells/L)
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: °C, Min: °C

Salinity Range During Event:

Bloom location in the water column:

Growth:

In situ

Growth Comments

Presumably in situ growth.

Additional Environmental information:

Not known.

Toxin Assay Information

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Mussels	Domoic Acid	DA eq	10 痢/g	Bioassay-Mouse

Kit used: No

Type of kit used:

Additional information:

Domoic acid levels in phytoplankton sampls collected from the area on 29 November 1994 ranged from < 1 to about 15 痢/ml sample (DA analyses by National Marine Fisheries Service, Seattle)

Economic losses:

Management decision:

None.

Additional harmful effect information: