General Information

Event name: US-02-007
Nature of the harmful event:
High Phyto concentration
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 (Routine water quality monitoring by the Suffolk County Dep't. of Health Services (SCDHS))
Event occurred before in this location: Yes (The bloom has been recurring since 1986)
Individuals to contact: NUZZI, Robert

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Great South Bay, Long Island., New York.
HAB Area code(s): US-08
Additional location information: South shore of Long Island. Portion of the bay from the Robert Moses Bridge on the west to Blue Points in the east.
Bloom event dates (yyyy/mm/dd): Event Date:2002-03-12
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: January through April and again from May through June.


Causative organism known: Yes
Causative Species/Genus: Aureococcus anophagefferens (90.7 cells/L)
At station 190 in Bayshore Cove on March 12, 2002
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 8.3 Ág/L Chl¬. µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): 0.5 Wind direction:
Stratified water: No Oxygen content (nL/L): 10.5 mg/L Wind velocity:
Temperature (°C): 6.2 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 29.65 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column: Whole column
Growth: Advected
Growth Comments
Additional Environmental information: Nutrient information: Total dissolved N=0.19 mg/L; Total N=0.23 mg/L; Dissolved P <0.025 mg/L; Total P=0.028 mg/L

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: