Event name: | NA-11-001 | |
Country: | NAMIBIA | |
Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
Event directly affected: |
Shellfish | |
Toxicity detected: | Yes (Approximate range: ~5.4 mg YTX equivalents/ kg shellfish tissue) | |
Associated syndrome: | ||
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | ||
Report the outcome of a monitoring programme: | No | |
Event occurred before in this location: | No | |
Individuals to contact: | MANSFIELD, Lisa |
Location: | Latitude: -22.933056, Longitude: 14.469167 | |
General location information: |
Walvis Bay, Namibia HAB Area code(s): NAM-01 |
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Additional location information: | ||
Bloom event dates (yyyy/mm/dd): |
Event Date:2011-03-15 Start: 2011-03-15, End: 2011-03-18 |
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Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: |
Causative organism known: | No | |
Causative Species/Genus: |
Gonyaulax spinifera
(674000 cells/L)
total cells/L was 1540000 |
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: | Marine phycotoxins in the northern Benguela region: biological and chemical parameters promoting the production of harmful algal blooms. Dissertation. Zur Erlangung des akademischen Grades doctor rerum naturalium (Dr. rer. Nat.) der Mathematisch-Naturwissenschaftlichen Fakultät der Universität Rostock Vorgelegt von Chibo, Chikwililwa, geb. Am 13 June 1980 in Chingola, Zambia Aus Rostock |
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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: | ||||||||||||
Economic losses: | mussel samples at concentrations of up to 5.4 mg YTX equivalents kg-1 shellfish | |||||||||||
Management decision: | ||||||||||||
Additional harmful effect information: |