Event name: | NA-65-001 | |
Country: | NAMIBIA | |
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: -22.898056, Longitude: 14.485278 | |
General location information: |
Namibia, Northern Benguela HAB Area code(s): NAM-01 |
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Additional location information: | 29 stations were sampled within the Walvis Bay area. | |
Bloom event dates (yyyy/mm/dd): |
Event Date:1965-01-27 Start: 1965-01-15, End: 1965-02-05 |
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Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: | Dates are not clear on the exact start & end |
Causative organism known: | No | |
Causative Species/Genus: |
Peridinium triquetrum (Ehrenberg) Lebour 1925
(15437000 cells/L)
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Co-Ocurring Species/Genus: |
Gymnodinium galatheanum Braarud 1957
(7327500 cells/L)
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Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: | PIETERSE, F. and D. C. VAN DER POST 1967 - The pilchard of South West Africa. Oceanographical conditions associated with red tides and fish mortalities in the Walvis Bay region. Investl Rep. mar. Res. Lab S.W. Afr. 14: 125pp. |
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Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
Salinity Range During Event: | Max: 35.07, Min: 35.05 | |||||||||||||||||||||||||
Bloom location in the water column: |
Surface Subsurface |
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Growth: | ||||||||||||||||||||||||||
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Additional Environmental information: |
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Kit used: | Type of kit used: | ||||||
Additional information: | |||||||
Economic losses: | |||||||
Management decision: | |||||||
Additional harmful effect information: |