| Event name: | ZAF-74-001 | |
| Country: | SOUTH AFRICA | |
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Nature of the harmful event: |
Water Discoloration | |
|
Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | Choromytilus meridionalis and Donax serra | |
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (1966 atributed to A. catenella) | |
| Individuals to contact: | MANSFIELD, Lisa | |
| Location: | Latitude: -32.314167, Longitude: 18.335556 | |
| General location information: |
Elands Bay, West Coast HAB Area code(s): ZAF-01 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | Start: 1974-09-01, End: 1974-09-30 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Protoceratium reticulatum
(2 x 10e6 cells/L)
reported as Gonyaulax grindleyi |
|
| Co-Ocurring Species/Genus: |
Prorocentrum micans
( cells/L)
|
|
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | HORSTMAN, D.A. 1981 – Reported red-water outbreaks and their effects on fauna of the west and south coasts of South Africa, 1959-1980. Fish. Bull. S. Afr. 15: 71-88. | |
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| 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: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | |||||||||||
| Additional information: | No toxin data recorded in the literature. | |||||||||||
| Economic losses: | Huge quantities of white and black mussels died and were washed ashore. | |||||||||||
| Management decision: | ||||||||||||
| Additional harmful effect information: | The mussels on the west coast were recorded as remaining toxic for 6 months. | |||||||||||
