General Information

Event name: GB-00-002
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: DSP
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 & Date

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Location: Latitude: , Longitude:
General location information: West, North, East coasts, Orkney, Shetland, England, Scotland and England
HAB Area code(s): GB-01 GB-14 GB-15 GB-16 GB-18 GB-19 GB-20 GB-21 GB-22 GB-23
Additional location information: Closures for DSP were recorded around the Scottish coast from July through to late autumn. closures in NE england as well. Some closures still in place in November and Dec.
Bloom event dates (yyyy/mm/dd): Start: 2000-06-26, End: 2000-12-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuta (8,040 cells/L)
Maximum number recorded from one area in this region
Co-Ocurring Species/Genus: Dinophysis acuminata (780 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: Bloom started off as D. acuminata, followed by D. acuta in July and Aug. Impossible to separate closures into two events so recorded as one.
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Chlamys opercularis Okadaic Acid N/A Bioassay-Mouse
Mytilus edulis Okadaic Acid N/A Bioassay-Mouse
Ostrea edulis Okadaic Acid N/A Bioassay-Mouse
Ensis sp Okadaic Acid N/A Bioassay-Mouse
Cockles Okadaic Acid N/A Bioassay-Mouse
Kit used: Type of kit used:
Additional information: Multiple closures in a variety of species around the Scottish coast. The amount of DSP could not be quantified using the mouse bioassay.
Economic losses:
Management decision:
Additional harmful effect information:
Updated at 06:23 on 15 Apr 2018