| Event name: | ZAF-76-001 | |
| 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: | Yes | |
| Individuals to contact: | MANSFIELD, Lisa , SCHWEIBOLD Laura | |
| Location: | Latitude: -34.243056, Longitude: 18.660556 | |
| General location information: |
False Bay, South Coast HAB Area code(s): ZAF-02 |
|
| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): |
Event Date:1976-09-01 Start: 1976-08-15, End: 1976-09-15 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Karenia sp.
( cells/L)
|
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | BROWN, P. C., HUTCHINGS, L. and D. HORSTMAN 1979- A red-water outbreak and associated fish mortality at Gordon's Bay near Cape Town. Fish. Bull. S. Afr. 11: 46-52. | |
|
||||||||||||||||||||||||||
| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 15.6 °C, Min: 14.6 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 34.99, Min: 34.71 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
|||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
|
|||||||
| Kit used: | Type of kit used: | ||||||
| Additional information: | Intraperitoneal injections of the phytoplankton extract cause acute morbidity, but not death in white mice | ||||||
| Economic losses: | |||||||
| Management decision: | |||||||
| Additional harmful effect information: | mortality of a wide variety of fish in False Bay | ||||||
