Event name: | GB-99-005 | |
Country: | UNITED KINGDOM | |
Nature of the harmful event: |
Seafood toxins | |
Event directly affected: |
Shellfish | |
Toxicity detected: | Yes (Approximate range: up to 294 µg DA/g) | |
Associated syndrome: | ASP | |
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | ||
Report the outcome of a monitoring programme: | Yes (FRS Marine Laboratory Aberdeen Shellfish Hygiene monitoring programme.) | |
Event occurred before in this location: | No | |
Individuals to contact: | BRESNAN, Eileen |
Location: | Latitude: , Longitude: | |
General location information: |
West, East Scotland, Orkney, Scotland HAB Area code(s): GB-16 GB-17 GB-18 GB-19 GB-20 GB-22 |
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Additional location information: | This bloom impacted mulitple regions around the scottish coast. DA levels exceeded the regulatory limits mainly in P. maximus but also in Chlamys opercularis. | |
Bloom event dates (yyyy/mm/dd): | Start: 1999-07-07, End: 2000-03-11 | |
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: |
Causative organism known: | Yes | |
Causative Species/Genus: |
Pseudo-nitzschia spp.
(200,000 cells/L)
This is the maximum number recorded at one site in this region. |
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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: | ||||||||||||||||||||||||||
Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: |
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Kit used: | Type of kit used: | |||||||||||||||||||||
Additional information: | These three species are from different areas in this widespread bloom | |||||||||||||||||||||
Economic losses: | ||||||||||||||||||||||
Management decision: | Widespread closures enforced in offshore scallop areas for extended periods of time causing widespread impacts on Scallop fishing community | |||||||||||||||||||||
Additional harmful effect information: | See Bresnan et al. (2017) Harmful algae to show very slow depuration rates of DA from Scallop gonads. |