Event name: | US-91-002 | |
Country: | UNITED STATES | |
Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
Event directly affected: |
Shellfish | |
Toxicity detected: | No | |
Associated syndrome: | ||
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | ||
Report the outcome of a monitoring programme: | Yes | |
Event occurred before in this location: | Yes (The bloom was present throughout the entire Peconic Bay system from 1985 through 1987, with cell density occasionally exceeding 1,000,000 cells/ml. Cell numbers declined through 1988 and 1989 and were generally undetectable during 1990 except for West Neck Bay.) | |
Individuals to contact: | NUZZI, Robert |
Location: | Latitude: , Longitude: | |
General location information: |
Peconic Bay system., New York. HAB Area code(s): US-08 |
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Additional location information: | From Flanders Bay to Gardiners Bay. Highest densities in Flanders Bay (westernmost area) and West Neck Bay (Shelter Island). | |
Bloom event dates (yyyy/mm/dd): | ||
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: | May through September with peak concentrations (2,000,000 cells/ml) in mid June. |
Causative organism known: | Yes | |
Causative Species/Genus: |
Aureococcus anophagefferens
(2,000,000, cells/L)
Mid-June |
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: |
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Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: 29 °C, Min: 11 °C | |||||||||||||||||||||||||
Salinity Range During Event: | Max: 30, Min: 20 | |||||||||||||||||||||||||
Bloom location in the water column: | ||||||||||||||||||||||||||
Growth: |
In situ |
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Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: |
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Kit used: No | Type of kit used: | ||||||
Additional information: | |||||||
Economic losses: | |||||||
Management decision: | Continue weekly monitoring. | ||||||
Additional harmful effect information: | Water column discoloration (brown) and reduced transparency. Secchi depth < 1.0 m during peak bloom period. |