| Event name: | CA-03-008 | |
| Country: | CANADA | |
|
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , 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: | Yes (Blooms of Dictyocha species, primarily Dictyocha speculum, have occurred in this area before, but not causing mortalities.) | |
| Individuals to contact: | WHYTE, Ian | |
| Location: | Latitude: 50.316667, Longitude: -125.016667 | |
| General location information: |
Upper Strait of Georgia, Pacific Region HAB Area code(s): CA-38 |
|
| Additional location information: | Raza Island, mid-east Vancouver Island. Bloom was seen in varying thinckness, from Georgia Strait to Jonhstone strait. | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2003-07-14 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Bloom lasted throught July and August. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dictyocha speculum
(960,000 cells/L)
|
|
| Co-Ocurring Species/Genus: |
Dictyocha fibula
(500,000 cells/L)
maximum concentration of non-skeletal form 400,000 cells/L |
|
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
|
||||||||||||||||||||||||||
| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 17.8 °C, Min: 10.8 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 31, Min: 23 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
|||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
|
|||||||
| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | |||||||
| Additional harmful effect information: | |||||||
