| Event name: | CA-06-001 | |
| Country: | CANADA | |
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Nature of the harmful event: |
Mass mortalities | |
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Event directly affected: |
Aquaculture Fish | |
| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Harmful Algae Monitoring Program) | |
| Event occurred before in this location: | Yes (Harmful Chaetoceros is often seen in this area, but usually at non-lethal concentrations) | |
| Individuals to contact: | HAIGH, Nicky | |
| Location: | Latitude: 50.420000, Longitude: -125.920000 | |
| General location information: |
Upper Strait of Georgia, Pacific Region HAB Area code(s): CA-38 |
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| Additional location information: | Hardwicke Island near Johnstone Strait. Bloom covered all of Salmon Inlet and some of Sechelt Inlet. Bloom showed a strong vertical diurnal migration. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | First detection: 2006-10-14, | |
| Additional date-related information: | smolts entered into site October 11th, mortalities seen October 12-13, plankton samples sent from October 14,15 | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Chaetoceros concavicornis
(unknown cells/L)
October 14th samples had maximum ~5,000/L |
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| Co-Ocurring Species/Genus: |
Chaetoceros convolutus
(unknown cells/L)
October 14th samples had maximum 10,000/L |
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Gill samples from mortalities had both Chaetocerous species present. | |
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