| Event name: | CA-00-007 | |
| Country: | CANADA | |
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Nature of the harmful event: |
High Phyto concentration , Seafood toxins | |
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Event directly affected: |
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| Toxicity detected: | Yes (Approximate range: 580 µg STXeq / 100 g) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Harmful Algae Monitoring Program, Nanaimo, BC, Canada.) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | HAIGH, Nicky | |
| Location: | Latitude: 49.353056, Longitude: -125.780000 | |
| General location information: |
Lower West coast of Vancouver Island, Pacific Region HAB Area code(s): CA-36 |
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| Additional location information: | Bedwell Sound, Clayoquot Sound. Bloom also detected in Herbert Inlet, Clayoquot Sound. Plankton monitoring site is at head of Bedwell Soun; toxin data is for Saranac Island, near mouth of Bedwell Sound. | |
| Bloom event dates (yyyy/mm/dd): | Start: 2000-09-17, | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium catenella
(260,000 cells/L)
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| Co-Ocurring Species/Genus: |
Cochlodinium polykrikoides
(6,300,000 cells/L)
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Cochlodinium polykrikoides bloom was mostly in Bedwell Sound and environs. Alexandrium catenella was associated with Cochlodinium bloom. | |
| Event-related bibliography: | ||
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| Nutrient information: |
NITRATE:
0; 1.68 ; 9.48 µM/L
PHOSPHATE: 0.91; 0.74; 1.24 µM/L SILICATE: 7.89; 28.75; 34.04 µM/L |
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| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | Information correspond to: 49 21.,1 N, 125 46.8 W 17/9/00 Temp (ºC): 15.9 (1m) ; 13.4 (5m and 10m). Oxygen: 9.9 (1m); 3.5 (5m and 10m). Salinity:25 (1m); 32 (5m and 10m). Nutrient info at 1m; 5m and 10m. | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | |||||||||||
| Additional information: | Mouse bioassay done by Canadian Food Inspection Agency. | |||||||||||
| Economic losses: | ||||||||||||
| Management decision: | ||||||||||||
| Additional harmful effect information: | ||||||||||||
