| Event name: | US-87-004 | |
| Country: | UNITED STATES | |
|
Nature of the harmful event: |
Water Discoloration , Seafood toxins , Mass mortalities | |
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Event directly affected: |
Planktonic life , Natural Fish , Shellfish , Humans | |
| Toxicity detected: | Yes | |
| Associated syndrome: | NSP , Aerosolized toxins effects | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | No | |
| Individuals to contact: | TESTER, Patricia | |
| Location: | Latitude: , Longitude: | |
| General location information: |
South and west of Cape Lookout., North Carolina. HAB Area code(s): US-11 |
|
| Additional location information: | Continental shelf of North Carolina south and west of Cape Lookout, including sounds and inlets inside the Outer Banks and southern Barrier Islands. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | November 1987 - February 1988. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Ptychodiscus brevis
(20,000,000 cells/L)
Confirmed by K.A. Steidinger. |
|
| 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: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 36, Min: 24 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | Advected | |||||||||||||||||||||||||
| Growth Comments | The population was clearly advected north from Florida via the Gulf Stream. Some in situ growth is probable once the species was deposited in North Carolina waters. | |||||||||||||||||||||||||
| Additional Environmental information: | Temperature: 20-23º C at onset; about 5-10º C in February as blooms declined. Offshore stratification: water mass with population maintained offshore, with pulses of cells brought to shore with wind events. | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | Shellfish quarantine for waters to south of Cape Hatteras. | ||||||
| Additional harmful effect information: | |||||||
