| Event name: | US-99-008 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
|
Event directly affected: |
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| 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 | |
| Individuals to contact: | MONCREIFF, Cynthia A. | |
| Location: | Latitude: 30.220800, Longitude: -89.111783 | |
| General location information: |
Coastal waters of Mississippi., Gulf of Mexico, Florida. HAB Area code(s): US-17 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): |
Event Date:1999-04-29 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Initial and final date: Not known. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Prorocentrum sp.
(84,000 cells/L)
Phytoplankton roughly half dinoflagellates; P. Micans, P. Gracile, and P. Mexicanum dominant species present Prorocentrum micans ( cells/L) Prorocentrum mexicanum ( cells/L) Prorocentrum gracile ( cells/L) Prorocentrum minimum ( cells/L) |
|
| Co-Ocurring Species/Genus: |
Leptocylindrus danicus
( cells/L)
Rhizosolenia setigera ( cells/L) |
|
| Chlorophyll concentration, if known: | Not performed. µg/l | |
| Additional bloom information: | Causative species: Prorocentrum species- P. micans, P. mexicanum, P. gracile, P. minimum. Add. esp: Leptocylindrus danicus, Rhizosolenia setigera; other centric and pennate diatoms. (~ 84,000 cel/L) A list of other genera of microalgae (predominantly di | |
| Event-related bibliography: | None | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: |
Whole column
Subsurface |
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| Growth: |
In situ |
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| Growth Comments | Assume in situ growth. Prorocentrum reported to be benthic; species observed in phytoplankton may have3 been displaced from bottom. | |||||||||||||||||||||||||
| Additional Environmental information: | Subsurface / throughout water column; water depth shallow (<2m). | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | None reported. | ||||||
| Management decision: | None taken. | ||||||
| Additional harmful effect information: | None reported. | ||||||
