| Event name: | US-15-010 | |
| Country: | UNITED STATES | |
|
Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Planktonic life , Natural Fish , Birds , Shellfish , Aquatic Mammals | |
| Toxicity detected: | Yes (Approximate range: 1135µg/100g) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | Yes (dead whales in Gulf of Alaska) | |
| Species implicated in toxin transmission (transvector): | krill, sand lance, herring, Dungeness crab | |
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (Aleutian Pribilof Islands Assoc HAB Program, Kasistna Bay Lab (NOAA) HAB Program, Alaska Sea Grant agent in Kodiak) | |
| Individuals to contact: | HOLDERIED, Kris , HONDOLERO, Dominic , MATWEYOU,Julie | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Gulf of Alaska, Alaska HAB Area code(s): US-25 |
|
| Additional location information: | satellite images indicated bloom covered entire continental shelf from Ketchikan to Aleutian Islands. most sampling ended in this region in early summer, but sampling continued in Cook Inlet through Nov 2015 with detection of PSP and DA into Nov 2015 | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | First detection: 2015-01-01, End: 2015-11-15 | |
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium spp.
( cells/L)
toxicity testing HPLC |
|
| Co-Ocurring Species/Genus: |
Pseudo-nitzschia spp.
( cells/L)
|
|
| 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: No | Type of kit used: | ||||||||||||||||||||||||||||||||||||
| Additional information: | HPLC from Alaska Department of Environmental Conservation Environmental Health Lab | ||||||||||||||||||||||||||||||||||||
| Economic losses: | production value decreased in some areas from manditory cleaned and frozen crab and goeduck. Direct loss of subsistence and personal use of bivalve and Dungeness crab. | ||||||||||||||||||||||||||||||||||||
| Management decision: | ome frozen product | ||||||||||||||||||||||||||||||||||||
| Additional harmful effect information: | loss of 100,000 murres due to starvation likely a result of the PSTs and DA eliminating zooplankton and disrupting the food web. | ||||||||||||||||||||||||||||||||||||
