| Event name: | GB-96-003 | |
| Country: | UNITED KINGDOM | |
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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: 555 µg STXeq /100 g Mussels.) | |
| 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 (PSP has regularly occurred in Orknwy since 1990.) | |
| Individuals to contact: | HOWARD, Godfrey , MACDONALD, Elspeth | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Orkney Islands., Scotland. HAB Area code(s): GB-20 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | Start: 1996-04-23, End: 1996-09-23 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium spp.
(2,000 cells/L)
May at Scapa Flow. |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Alexandrium spp. observed at two sites in Orkney until July with highest levels found in May (2000 cells/L) at Scapa Flow. | |
| 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: | ||||||||||||||||||||||||||
| Growth Comments | Not known. | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||||||||||||
| Additional information: | PSP in mussels (max. 555 µg/100 g) mostly in Scapa Flow, Kirkwall Bay and Wide Firth. Other species affected included cockles, scallops, queen scallops and razor fish. Low levels (up to 27 µg/100 g) in velvet crabs. Scallops from east of Orkney contained up to 640 µg/100g. | |||||||||||||||||||||
| Economic losses: | ||||||||||||||||||||||
| Management decision: | FEPA 1985 closure order imposed on 17/07/96 and revoked on 23/09/96 for offshore scallop gonads. | |||||||||||||||||||||
| Additional harmful effect information: | Low levels of PSP detected in scallop gonads during winter 1995-96. | |||||||||||||||||||||
