Event name: | CA-04-001 | |
Country: | CANADA | |
Nature of the harmful event: |
High Phyto concentration , Seafood toxins | |
Event directly affected: |
Aquaculture Fish , Shellfish , Humans | |
Toxicity detected: | Yes (Approximate range: 4000 µg STX equiv./100g) | |
Associated syndrome: | PSP | |
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | Mussels | |
Report the outcome of a monitoring programme: | Yes (Phytoplankton monitoring in the western Fundy Isles in the Bay of Fundy.) | |
Event occurred before in this location: | Yes (PSP detected annually since 1943.) | |
Individuals to contact: | MARTIN, Jennifer |
Location: | Latitude: , Longitude: | |
General location information: |
Northwestern Bay of Fundy, Scotia Fundy Region HAB Area code(s): CA-22 |
|
Additional location information: | Wolves | |
Bloom event dates (yyyy/mm/dd): |
Event Date:2004-08-03 |
|
Quarantine levels dates (yyyy/mm/dd): | First detection: 2004-05-17, | |
Additional date-related information: | Some shellfish beds remained closed to harvesting through December.Alexandrium cells present in low numbers in May-June ; with very high concentrations from mid- July to early August |
Causative organism known: | Yes | |
Causative Species/Genus: |
Alexandrium fundyense
(319,000 cells/L)
|
|
Co-Ocurring Species/Genus: |
Pseudo-nitzschia delicatissima
(19,200 cells/L)
Pseudo-nitzschia pseudodelicatissima group. |
|
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: |
|
||||||||||||||||||||||||||
Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: 12.0 °C, Min: 9.9 °C | |||||||||||||||||||||||||
Salinity Range During Event: | Max: 31.6, Min: 31.3 | |||||||||||||||||||||||||
Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
Growth: | ||||||||||||||||||||||||||
Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: |
|
|||||||||||||||||
Kit used: No | Type of kit used: | ||||||||||||||||
Additional information: | |||||||||||||||||
Economic losses: | loss of aquaculture fish, shelfish harvesting areas closed for 6 months; some areas are still closed | ||||||||||||||||
Management decision: | Shellfish harvesting areas closed when toxin values exceeded 80 ug/100g; education/notification through newspapers | ||||||||||||||||
Additional harmful effect information: | 3 people suffered from PSP intoxication - one person hospitalized for 8 days but has fully recovered. |