| Event name: | US-92-019 | |
| Country: | UNITED STATES | |
|
Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (The last Oregon PSP alert began 9/25/91 on the beaches in mussels, peaking at 150 µg/100g by 10/30/91) | |
| Individuals to contact: | CANNON, Deborah F. | |
| Location: | Latitude: 46.116667, Longitude: | |
| General location information: |
Oregon coast., Oregon. HAB Area code(s): US-22 |
|
| Additional location information: | From Reedsport to the Columbia River (ca. 43.7º - 46.7º N). | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Started in late July - early August with mussels ca 88 µg/100g; peaked in late September - early October with mussels, oysters, and little neck clams affected; November, razor clams affected. | |
| Causative organism known: | No | |
| Causative Species/Genus: |
Alexandrium catenella
( cells/L)
not confirmed |
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Causative species not confirmed, thought to be Alexandrium catenella. | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 13 °C, Min: 9 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | Not known. | |||||||||||||||||||||||||
| Additional Environmental information: | Salinity usually >25 at estuary mouths and is higher on high tides. | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | Closure of razor clam commercial and recreational harvest caused severe economic problems for at least 2 businesses; mussel harvest also closed, but most is done south of the closure area. | ||||||
| Management decision: | Harvest closure for all shellfish north of Reesport as of 12 August; oysters and bay clams lot sampled in September & October; shellfish other than razor clams and mussels released from closure in early November; razor clams and mussels remained closed th | ||||||
| Additional harmful effect information: | |||||||
