Event name: | ZAF-68-001 | |
Country: | SOUTH AFRICA | |
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Seafood toxins | |
Event directly affected: |
||
Toxicity detected: | Yes | |
Associated syndrome: | ||
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | Mytilus meridionalis | |
Report the outcome of a monitoring programme: | Yes (Test sampling by J. R. Grindley) | |
Event occurred before in this location: | Yes (1967) | |
Individuals to contact: | MANSFIELD, Lisa , SCHWEIBOLD Laura |
Location: | Latitude: -31.931389, Longitude: 18.161667 | |
General location information: |
Elands Bay, West coast HAB Area code(s): ZAF-01 |
|
Additional location information: | 3 points sampled: surface samples off the point (Cape Deseada), surface samples off the beach, and samples from a depth of 3 metres | |
Bloom event dates (yyyy/mm/dd): |
Event Date:1968-12-08 Start: 1968-12-04, |
|
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: |
Causative organism known: | Yes | |
Causative Species/Genus: |
Alexandrium catenella
(1,14.10^6 cells/L)
was ascribed to G. catenella |
|
Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: | GRINDLEY, J.R. and N. SAPEIKA 1969 - The cause of mussel poisoning in South Africa. S. Afr. Med. J. 43: 275 - 279 |
|
||||||||||||||||||||||||||
Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
Salinity Range During Event: | ||||||||||||||||||||||||||
Bloom location in the water column: |
Surface |
|||||||||||||||||||||||||
Growth: | ||||||||||||||||||||||||||
Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: | "It was considered that the time and conditions were right for red water to be developing" |
|
||||||||||||
Kit used: No | Type of kit used: | |||||||||||
Additional information: | ||||||||||||
Economic losses: | ||||||||||||
Management decision: | Warnings on the radio and in the press | |||||||||||
Additional harmful effect information: | No human victims reported |