| Event name: | US-93-008 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
Mass mortalities | |
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Event directly affected: |
Shellfish | |
| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (Similar occurrences in previous years invorlving fish and shellfish.) | |
| Individuals to contact: | TESTER, Patricia | |
| Location: | Latitude: , Longitude: | |
| General location information: |
, North Carolina. HAB Area code(s): US-11 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | June-July. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Pfiesteria piscicida
( cells/L)
Previously reported as Pfiesteria, however, Karlodinium spp. is now believed to be the causative organism |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Planozygotes (50-100 µm) similar to the ones described by Burkholder (1994) were observed. In July, at the Duke University Marine Laboratory in Beaufort, NC, sea urchins held overnight in seawater tanks died suddenly; dinospores (2/ml) and cysts of Pfies | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | Porbably | |||||||||||||||||||||||||
| Additional Environmental information: | Estuarine and near coastal | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | In June, the Bear Creek Clam Hatchery lost $ 7,500 worth of Mercenaria mercenaria seed clams maintained in static culture with water from Bogue Sound. | ||||||
| Management decision: | None | ||||||
| Additional harmful effect information: | These are incidents that I know of. Dr. JoAnn Burkholder (NC State Unversity) is the main contact for NC State workers when they see fish kills. | ||||||
