| Event name: | US-91-009 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
Seafood toxins | |
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Event directly affected: |
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| Toxicity detected: | Yes (Approximate range: Below the alert concentration.) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (1969, 1971, 1973, 1989.) | |
| Individuals to contact: | ROSS, Maria R. | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Humboldt County., California. HAB Area code(s): US-21 |
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| Additional location information: | Shelter Cove/Abalone Pt., Trinidad Pier, Humboldt Bay/USCG Station (Wild Sea Mussel); Humboldt Bay/Bird Island, Indian Island Ch., USCG station, Trinidad Pier (Sentinel Sea Mussels) | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | August- October. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium catenella
( cells/L)
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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: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | Since no collection data for this area are available the most likely growth populations occur in situ. | |||||||||||||||||||||||||
| Additional Environmental information: | No data available. | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | The California Annual Mussel Quarantine was in effect throughout this period. | ||||||
| Additional harmful effect information: | Concentrations of paralytic shellfish toxins persisted in high measurable levels but below the alert concentration. | ||||||
