| Event name: | NZ-94-001 | |
| Country: | NEW ZEALAND | |
|
Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Natural Fish , Birds , Shellfish , Humans | |
| Toxicity detected: | Yes | |
| Associated syndrome: | OTHER | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Biotoxin monitoring program) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | RHODES Lesley | |
| Location: | Latitude: -46.589167, Longitude: 168.062778 | |
| General location information: |
Foveaux Strait, South Island HAB Area code(s): NZ-11 |
|
| Additional location information: | South-North progression of shellfish toxicity | |
| Bloom event dates (yyyy/mm/dd): | Start: 1994-01-14, End: 1994-05-13 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Gymnodinium sp.
(900 000 cells/L)
Karenia mikimotoi, Karenia brevis, Karenia selliformis |
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | Mackenzie, L., Haywood, A., Adamson, J., Truman, P., Till, D., Seki, T., ... & Yasumoto, T. (1996). Gymnodimine contamination of shellfish in New Zealand. Harmful and Toxic Algal Blooms., 97-100. | |
|
||||||||||||||||||||||||||
| 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: | ||||||||||||||||||||||||||
|
||||||||||||
| Kit used: | Type of kit used: | |||||||||||
| Additional information: | The production of gymnodimine by cells was also confirmed by LC/MS analysis. | |||||||||||
| Economic losses: | Affected commercially harvested clams (Austrovenus stuchburyii) and wild mussels and cultivated mussels | |||||||||||
| Management decision: | A large area of the coast of the coast of the South Island was closed to shellfish harvesting. | |||||||||||
| Additional harmful effect information: | ||||||||||||
