General Information

Event name: US-16-009
Country: UNITED STATES
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Planktonic life , Other Terrestrial , Shellfish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Privately supported program)
Event occurred before in this location: Yes (Brown tide first emerged 1980's in Long Island Bays and since then this bloom has occurred annually.)
Individuals to contact: GOBLER

Location & Date

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Location: Latitude: , Longitude:
General location information: Moneybogue Bay, Quantuck Bay, Shinnecock Bay, NY, NY
HAB Area code(s): US-08
Additional location information: 100 km of lagoon system
Bloom event dates (yyyy/mm/dd): Start: 2016-06-01, End: 2016-07-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Aureococcus anophagefferens (1500000000 cells/L)
Pelagophyte, A maximal density was observed at a peak of bloom.
Co-Ocurring Species/Genus: Synechococcus spp. (3000000000 cells/L)
Cyanobacteria, A maximal density was observed after brown tide demised
Chlorophyll concentration, if known: µg/l
Additional bloom information: Brown tide succeeded with phycocyanin-containing cyanobacteria bloom.
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: °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:
Additional harmful effect information:
Created at 10:29 on 27 Feb 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES