| Event name: | US-04-002 | |
| Country: | UNITED STATES | |
|
Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes (Approximate range: 99-177) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | oysters from long lines in an aquaculture operation. | |
| Report the outcome of a monitoring programme: | Yes (Kachemak Bay East Monitoring Program) | |
| Event occurred before in this location: | Yes (Within the last three years this area is subject to late summer increases in toxicities and therefore is the first site in Kachemak Bay that become infected.) | |
| Individuals to contact: | OSTASZ, Michael J. | |
| Location: | Latitude: 59.007778, Longitude: -151.008889 | |
| General location information: |
Kachemak Bay East, s/se of Homer, AK, Alaska HAB Area code(s): US-25 |
|
| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | Start: 2004-06-08, | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | 8/5/04 first showed a mussel intoxication at 255 ug/100 for PSP and following that oysters showed values of 99, and 170 ug/100 of PSP. Previous values came from <33 to 62 to the present values of 99 and 170 within three weeks for oysters to develop the PSP toxicity. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium spp.
( cells/L)
|
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
|
||||||||||||||||||||||||||
| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
|
||||||||||||
| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | Bioassay | |||||||||||
| Economic losses: | Major oyster production area in Southcentral Alaska closed until three samples of <80 ug/100 gms can be obtained from this growing area. | |||||||||||
| Management decision: | Closed area to all commercial harvest of all shellfish and issue a press release. | |||||||||||
| Additional harmful effect information: | ||||||||||||
