| Event name: | CA-93-004 | |
| Country: | CANADA | |
|
Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Shellfish , Humans | |
| Toxicity detected: | Yes (Approximate range: 4.0ug/g) | |
| Associated syndrome: | DSP | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (DFO) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | McKENZIE, Cynthia , Wells, Terri | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Alexander Bay/Magics Arm, Bonavista Bay, NL HAB Area code(s): CA-28 |
|
| Additional location information: | First detection of DSP in Newfoundland | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:1993-10-27 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Human illness occurred before closure | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dinophysis norvegica
(2,000 cells/L)
More than 40,000 cells per mussel |
|
| Co-Ocurring Species/Genus: |
Prorocentrum lima
( cells/L)
|
|
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | Gilgan et al. 1994; McKenzie et al. 1994; Closure order NTN-1993-10 issued Oct 27 1993. NTN-1993-11 revoked NTN-1993-10 expanding the closure area. | |
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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: | Detected by HPLC and confirmed with LC-MS | ||||||
| Economic losses: | |||||||
| Management decision: | Closure order NTN-1993-10 issued on Oct 27 1993. NTN-1993-11 revoked NTN-1993-10 expanding the closure area. | ||||||
| Additional harmful effect information: | Toxicity and closures continued until August of 1994 | ||||||
