| Event name: | US-18-032 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
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Event directly affected: |
Natural Fish | |
| Toxicity detected: | No | |
| Associated syndrome: | ||
| 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: | Latitude: , Longitude: | |
| General location information: |
Great South Bay, South Oyster Bay, Quantuck Bay, Moriches Bay, Shinnecock Bay, Moneybogue Bay, Hewlett Bay, HAB Area code(s): US-08 |
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| Additional location information: | The affected area covers over 100 km of shoreline within multiple estuaries | |
| Bloom event dates (yyyy/mm/dd): | Start: 2018-05-07, End: 2018-10-31 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Aureococcus anophagefferens
(622,173,500 cells/L)
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| Co-Ocurring Species/Genus: |
Synechococcus spp.
(>3,000,000,000 cells/L)
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| Chlorophyll concentration, if known: | 105.17 µg/l | |
| Additional bloom information: | The year 2018 marks the first time in 12 years that maximum concentrations of Aureococcus anophagefferens did not exceed 1.5 billion cells/L in the affected region. | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 28 °C, Min: 7.3 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 27, Min: 24.3 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: |
In situ |
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