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General Information

Event name: US-19-006
Country: UNITED STATES
Nature of the harmful event:
 Water Discoloration , High Phyto concentration
Event directly affected:
 Natural Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Long Island Marine Monitoring Network)
Event occurred before in this location: Yes
Individuals to contact: Young, Craig

Location & Date

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Location: Latitude: , Longitude:
General location information: South shore (Great South Bay, South Oyster Bay, Quantuck Bay, Moriches Bay, Shinnecock Bay, Moneybogue Bay), NY
HAB Area code(s): US-08
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2019-05-22, End: 2019-07-22
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Aureococcus anophagefferens (30951000 cells/L)
Co-Ocurring Species/Genus: Synechococcus sp. (>3000000000 cells/L)
Chlorophyll concentration, if known: 14.99 µg/l
Additional bloom information: The year 2019 marks the second consecutive year in 13 years that maximum concentrations of Aureococcus anophagefferens did not exceed 1.5 billion cells/L in the affected region.
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: 30.8 °C, Min: 15.4 °C
Salinity Range During Event: Max: 31.2, Min: 0.3
Bloom location in the water column:
Surface
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:
Additional harmful effect information:
Created at 07:05 on 10 Feb 2020
Updated at 10:09 on 8 Apr 2020