| Event name: | CA-04-008 | |
| Country: | CANADA | |
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Nature of the harmful event: |
Mass mortalities | |
|
Event directly affected: |
Aquaculture Fish | |
| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Harmful Algae Monitoring Program) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | HAIGH, Nicky | |
| Location: | Latitude: 50.799167, Longitude: -127.500000 | |
| General location information: |
Upper Strait of Georgia, Pacific Region HAB Area code(s): CA-38 |
|
| Additional location information: | Queen Charlotte Strait; Bloom only appeared to affect Duncan and Bell Island area | |
| Bloom event dates (yyyy/mm/dd): | Start: 2004-09-03, End: 2004-09-04 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Bloom occurred Oct 3-4. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Chattonella sp.
( cells/L)
Unknown concentration |
|
| Co-Ocurring Species/Genus: |
Heterosigma akashiwo
( cells/L)
Unknown concentration |
|
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Only 2 samples received from this bloom - a few cells of Chatonella sp. and Heterosigma akashiwo seen in samples from a day after mortalities occurred. The high number of mortalities that occurred extremely rapidly point to Chattonella being the causatative species | |
| Event-related bibliography: | ||
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| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
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| Management decision: | |||||||
| Additional harmful effect information: | A high number of mortalities on two farm sites. | ||||||
