General Information

Event name: US-98-030
Country: UNITED STATES
Nature of the harmful event:
Water Discoloration
Event directly affected:
Shellfish , Seaweed
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (blooms present from 1985 to present)
Individuals to contact: NUZZI, Robert

Location & Date

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Location: Latitude: , Longitude:
General location information: West Neck Bay, Shelter Island, New York
HAB Area code(s): US-08
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: late May to mid-July

Microalgae

Causative organism known: Yes
Causative Species/Genus: Aureococcus anophagefferens (560,000 cells/L)
cells/mL
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: 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: 26.8 °C, Min: 20 °C
Salinity Range During Event: Max: 27, Min: 25
Bloom location in the water column: Whole column
Growth:
In situ
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: Continue weekly monitoring program
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES