| Event name: | US-15-011 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
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Event directly affected: |
Planktonic life , Natural Fish , Birds , Shellfish , Aquatic Mammals , Humans | |
| Toxicity detected: | Yes (Approximate range: 680µg/100g) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | Yes (dead sea otters, sea lions and birds in Aleutian Islands) | |
| Species implicated in toxin transmission (transvector): | sand lance, herring, gulls to eagles | |
| Report the outcome of a monitoring programme: | Yes (Aleutian Pribilof Islands Assoc HAB Program, Alaska Sea Grant agent in Unalaska, Qagan Tayagungin Tribe in Sand Point) | |
| Event occurred before in this location: | Yes (peak years 2008, 2010, 2014, and 2015) | |
| Individuals to contact: | GOOD, Melissa , PORCINCULA, Karis | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Aleutian Islands, Alaska HAB Area code(s): US-26 |
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| Additional location information: | satellite images indicated bloom covered entire continental shelf from Ketchikan to Aleutian Islands | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | First detection: 2015-01-01, End: 2015-12-31 | |
| Additional date-related information: | High PSP lvls detected every month of year. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium spp.
( cells/L)
toxicity testing HPLC |
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| Co-Ocurring Species/Genus: |
Pseudo-nitzschia spp.
( cells/L)
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 16 °C, Min: -2 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: |
Surface Subsurface |
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| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||||||||||||||||||||||
| Additional information: | HPLC from Alaska Department of Environmental Conservation Environmental Health Lab | ||||||||||||||||||||||||||
| Economic losses: | Direct loss of subsistence and personal use of bivalves. | ||||||||||||||||||||||||||
| Management decision: | |||||||||||||||||||||||||||
| Additional harmful effect information: | loss of 100,000 murres due to starvation likely a result of the PSTs and DA eliminating zooplankton and disruptiiong the food web. | ||||||||||||||||||||||||||
