Harmful Algal Information System: Event US-02-014

General Information

Event name:	US-02-014
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration , High Phyto concentration , Seafood toxins , Foam/Mucilage in the coast
Event directly affected:
Toxicity detected:	Yes (Approximate range: 277 痢 STXeq /100 g. western Mytilus, 482 eastern Mytilus, 2,307 eastern Placopecten.)
Associated syndrome:	PSP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes (State of Maine, Department of Marine Resources)
Event occurred before in this location:	Yes (nearly annually)
Individuals to contact:	BEAN, Laurie L.

Location & Date

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Location:	Latitude: , Longitude:
General location information:	Western Maine., Maine. HAB Area code(s): US-02
Additional location information:	Also in Eastern Maine, however area of toxicity already permanently closed to mussel harvest.
Bloom event dates (yyyy/mm/dd):	Start: 2002-05-10, End: 2002-07-18
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Eastern Maine toxicity 051902 thru 080602.

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Alexandrium spp. ( 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:

Growth Comments

Additional Environmental information:

Toxin Assay Information

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Arctica islandica	Saxitoxins	STX eq	49	Bioassay-Mouse
Spisula	Saxitoxins	STX eq	58	Bioassay-Mouse
Modiolus modiolus	Saxitoxins	STX eq	48	Bioassay-Mouse
Mya arenaria	Saxitoxins	STX eq	59	Bioassay-Mouse
Mytilus edulis	Saxitoxins	STX eq	482	Bioassay-Mouse
Placopecten magellanicus	Saxitoxins	STX eq	2,307	Bioassay-Mouse

Kit used:

Type of kit used:

Additional information:

Economic losses:

Management decision:

One shellfish closure in western Maine. Toxicity did occur beyond the closure time in western Maine, but on Monhegan Island which is permanently closed and in Eastern Maine in areas that are permanently closed to mussel harvest.

Additional harmful effect information:

Updated at 03:41 on 26 Jun 2020