| Event name: | ZAF-99-001 | |
| Country: | SOUTH AFRICA | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
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Event directly affected: |
Shellfish | |
| 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 (Feb/March 1998) | |
| Individuals to contact: | MANSFIELD, Lisa | |
| Location: | Latitude: -33.007500, Longitude: 18.004722 | |
| General location information: |
Saldanha Bay, West Coast HAB Area code(s): ZAF-01 |
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| Additional location information: | Sampling at the oyster farm | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:1999-02-01 Start: 1999-02-16, End: 1999-03-04 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Aureococcus anophagefferens
(4.06-8.41x10e8 cells/L)
between 16 Feb and 4 March 1999 |
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | 7.29-13.65 µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | PROBYN, T.A., BERNARD, S., PITCHER, G.C and R.N. PIENAAR 2010 – Ecophysiological studies on Aureococcus anophagefferens blooms in Saldanha Bay, South Africa. Harmful Algae, 9: 123-133. | |
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| Nutrient information: |
AMONIUM:
0.04-0.64 mmol N/m3
NITRATE: 0.02-0.41 NITRITE: 0.01-0.13 DIN: 0.19-1.07 |
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| Bloom location in the water column: |
Surface Subsurface |
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