| Event name: | CA-03-011 | |
| Country: | CANADA | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Mass mortalities | |
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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: | Yes (Dyctiocha blooms seen before with lower cells counts and no mortalities.) | |
| Individuals to contact: | WHYTE, Ian | |
| Location: | Latitude: 49.116667, Longitude: -125.716667 | |
| General location information: |
Lower West coast of Vancouver Island, Pacific Region HAB Area code(s): CA-36 |
|
| Additional location information: | Tofino Inlet; bloom was not very extensive | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2003-09-18 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Significant concentrations of Dictyocha first seen Sept 5th, bloom Sept 18-22, mortalities Sept 18th. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dictyocha fibula
(1,500,000 cells/L)
most cells with skeleton, or intermediate skeletal to non-skeletal form, few completely without skeleton |
|
| Co-Ocurring Species/Genus: |
Dictyocha speculum
( cells/L)
Cells/L Unknown |
|
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Maximum cell counts usually seen between 3m and 5m depth. | |
| Event-related bibliography: | ||
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| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
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| Bloom location in the water column: |
Subsurface |
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| Growth: | Advected | |||||||||||||||||||||||||
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