| Event name: | CA-91-014 | |
| Country: | CANADA | |
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Nature of the harmful event: |
Mass mortalities | |
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Event directly affected: |
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| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (This species occurs typically in Autumn in this region (including 1989, 1988 and 1987), but has usually disappeared by the beginning of November.) | |
| Individuals to contact: | FORBES, J. Roderick | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Upper Strait of Georgia, Pacific Region HAB Area code(s): CA-38 |
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| Additional location information: | Eastern and northern Strait of Georgia, east side Queen Charlotte Strait, Simoom Sound. Occurred initially in northern Strait of Georgia area, and only later to the north and south. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Mid October- mid November. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Chaetoceros convolutus
(70,000 - 8 cells/L)
or C. concavicornis, in Teakerne Arm Chaetoceros convolutus (18,000 - 3 cells/L) or C. concavicornis, east Queen Charlotte Strait Chaetoceros convolutus (200,000 cells/L) or C. concavicornis, late October, Homfray Channel |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | east side of Queen Charlotte Strait (Simoom Sound, Sir Edmund Bay and Cypress Harbour) | |
| Event-related bibliography: | ||
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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: |
In situ |
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| Growth Comments | Most likely in situ growth at the various locations. | |||||||||||||||||||||||||
| Additional Environmental information: | No data. | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | None. | ||||||
| Additional harmful effect information: | |||||||
