Event name: | NZ-94-002 | |
Country: | NEW ZEALAND | |
Nature of the harmful event: |
High Phyto concentration , Seafood toxins | |
Event directly affected: |
Humans | |
Toxicity detected: | Yes | |
Associated syndrome: | DSP | |
Unexplained toxicity: | ||
Species implicated in toxin transmission (transvector): | Mussels and cockles | |
Report the outcome of a monitoring programme: | Yes (New Zealand Marine Biotoxin Management Board) | |
Event occurred before in this location: | No | |
Individuals to contact: | RHODES Lesley |
Location: | Latitude: -41.081389, Longitude: 174.333056 | |
General location information: |
Queen Charlotte Sound, South Island HAB Area code(s): NZ-08 |
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Additional location information: | ||
Bloom event dates (yyyy/mm/dd): | Start: 1994-09-15, | |
Quarantine levels dates (yyyy/mm/dd): | First detection: 1994-11-15, End: 1995-10-15 | |
Additional date-related information: |
Causative organism known: | Yes | |
Causative Species/Genus: |
Dinophysis acuta
(138 000 cells/L)
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: | Mackenzie, L. (1995). DSP and NSP in New Zealand: some recent findings. Proceedings at the Marine biotoxin workshop N°4 |
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Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
Salinity Range During Event: | ||||||||||||||||||||||||||
Bloom location in the water column: |
Subsurface |
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Growth: | ||||||||||||||||||||||||||
Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: |
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Kit used: | Type of kit used: | |||||||||||
Additional information: | +mouse tests + HPLC | |||||||||||
Economic losses: | ||||||||||||
Management decision: | Closure of area during 11 months to date | |||||||||||
Additional harmful effect information: | On the march 1995, 4 adults reported getting sick from eating mussels and cockles within the closed area. Symptoms = diarrhoea and/or vomiting -> typical of DPS poisoning |