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General Information

Event name: US-91-018
Country: UNITED STATES
Nature of the harmful event:
 Water Discoloration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: OSTASZ, Michael J.

Location & Date

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Location: Latitude: 60.625000, Longitude: 145.958333
General location information: Alice Cove., Alaska.
HAB Area code(s): US-25
Additional location information: On N shore of Orca Bay, 9 miles NW of Cordova.
Bloom event dates (yyyy/mm/dd): Event Date:1991-05-07
Start: 1991-05-07, End: 1991-05-08
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Noctiluca sp. ( cells/L)
Suspect.
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
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Statewide press release to warn about shellfish harvesting in unapproved (non certified) areas.
Additional harmful effect information: Water coloration.
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES