General Information

Event name: US-98-045
Country: UNITED STATES
Nature of the harmful event:
Mass mortalities
Event directly affected:
Shellfish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: LANDSBERG, Jan

Location & Date

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Location: Latitude: , Longitude:
General location information: Maquoit Bay, Maine, Casco Bay
HAB Area code(s): US-03
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Gyrodinium aureolum ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Shumway, S.E., 1990. A review of the effects of algal blooms on shellfish and aquaculture. J. World Aquacult. Soc. 21, 65104. Heinig, C., Campbell, D., 1992. The environmental context of a Gyrodinium aureolum bloom and shellfish kill in Maquoit Bay, Maine, September 1988. J. Shellfish Res. 11, 111122.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
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: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 06:30 on 24 Jul 2020
Updated at 01:13 on 28 Jul 2020
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES