General Information

Event name: ZAF-02-001
Country: SOUTH AFRICA
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Shellfish , Humans
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: MANSFIELD, Lisa , SCHWEIBOLD Laura

Location & Date

[View larger map]
Location: Latitude: 32.300000, Longitude: 18.316667
General location information: Elands Bay, West coast
HAB Area code(s): ZAF-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2002-02-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Prorocentrum triestinum ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Stephen V. C. and Hockey P. A., 2007. Evidence for an increasing incidence and severity of Harmful Algal Blooms in the southern Benguela region. South African Journal of Science 103: 223-231.

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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses: 600 t rock-lobster walkout
Management decision: Government and military staff attempted to save some of the lobsters, but others were collected for food.
Additional harmful effect information: 600 t rock-lobster walkout
Created at 03:29 on 18 Dec 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES