Event name: | GB-92-001 | |
Country: | UNITED KINGDOM | |
Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
Event directly affected: |
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Toxicity detected: | Yes | |
Associated syndrome: | ||
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | ||
Report the outcome of a monitoring programme: | Yes | |
Event occurred before in this location: | No | |
Individuals to contact: | MACDONALD, Elspeth |
Location: | Latitude: , Longitude: | |
General location information: |
Loch Long., West coast of Scotland. HAB Area code(s): GB-15 |
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Additional location information: | ||
Bloom event dates (yyyy/mm/dd): | ||
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: | Late July. |
Causative organism known: | Yes | |
Causative Species/Genus: |
Dinophysis norvegica
( cells/L)
Dinophysis acuta ( cells/L) Dinophysis rotundata ( cells/L) Dinophysis acuminata (8,000 - 94 cells/L) Dominant species |
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Co-Ocurring Species/Genus: |
Ceratium spp.
( cells/L)
Alexandrium spp. (1,000 cells/L) Found in Portincaple Scrippsiella trochoidea (0 cells/L) |
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Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | Cell counts of D. acuminata ranged from 8,000 cells/L at Portincaple to 946,000 cells/L at Finnart. | |
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, but there are no previous records of such an incident. | |||||||||||||||||||||||||
Additional Environmental information: | No detailed information available. |
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Kit used: | Type of kit used: | ||||||
Additional information: | |||||||
Economic losses: | |||||||
Management decision: | No closures were required as there was no shellfish harvesting in the affected area. | ||||||
Additional harmful effect information: | Red/brown water discoloration reported on 31 July 1992, extending over a 10 km area along the eastern shore of Loch Long. Found to be a dense bloom of Dinophysis spp, especially D. acuminata. Water and shellfish samples were collected. Shellfish tissue te |