| Event name: | ZAF-62-002 | |
| Country: | SOUTH AFRICA | |
|
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Mass mortalities | |
|
Event directly affected: |
Natural Fish | |
| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| 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: | Latitude: -34.209167, Longitude: 18.649167 | |
| General location information: |
False Bay, South Coast HAB Area code(s): ZAF-02 |
|
| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | Start: 1962-03-15, End: 1962-04-15 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | No | |
| Causative Species/Genus: |
Gonyaulax polygramma Stein 1883
( cells/L)
|
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | GRINDLEY, J.R. and F.J.R. TAYLOR 1962 - Red water and mass-mortality of fish near Cape Town. Nature, Lond. 195: 1324. | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | Death of fish and invertebrates due to oxygen depletion in the water and decay of bloom. | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | Toxin assay prepared from 12 black mussels produced no neurotoxic symptoms or death in six white mice injected with the material. | ||||||
| Economic losses: | |||||||
| Management decision: | |||||||
| Additional harmful effect information: | Mass- mortality of fish and marine invertebrates. | ||||||
