General Information

Event name: ZAF-05-001
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: no range given)
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: MANSFIELD, Lisa

Location & Date

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Location: Latitude: -33.013056, Longitude: 17.971667
General location information: Saldanha Bay, West Coats, Southern Beguela
HAB Area code(s): ZAF-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2005-03-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: 5 months over autumn 2005


Causative organism known: Yes
Causative Species/Genus: Protoceratium reticulatum ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 170mg/m3 µg/l
Additional bloom information:
Event-related bibliography: FAWCETT, A., PITCHER, G. C, BERNARD, S., CEMBELLA, A. D and R. M. KUDELA 2007 - Contrasting wind patterns and toxigenic phytoplankton in the southern Benguela upwelling system. Mar Ecol Prog Ser 348: 19-31.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
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
Protoceratium reticulatum Yessotoxins LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses: 5 month closure of harvesting of shellfish in Saldanha Bay on the west coast.
Management decision:
Additional harmful effect information:
Created at 09:14 on 24 Aug 2020
Updated at 11:50 on 24 Aug 2020