General Information

Event name: GB-93-002
Nature of the harmful event:
High Phyto concentration
Event directly affected:
Toxicity detected: No
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: LAING, I.

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Estuary of River Avon (Wales)., ENGLAND AND WALES.
HAB Area code(s): GB-08
Additional location information: South Devon.
Bloom event dates (yyyy/mm/dd): Event Date:1993-08-06
Start: 1993-06-09, End: 1993-09-02
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (> 1,700,00 cells/L)
August 6.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
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 No data.
Additional Environmental information: No data

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Increase sampling frequency. Take samples of mussel flesh for PSP analysis. No toxin detected.
Additional harmful effect information: None Effects.
Updated at 11:07 on 14 Sep 2016