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General Information

Event name: US-15-004
Country: UNITED STATES
Nature of the harmful event:
 High Phyto concentration , Seafood toxins , Mass mortalities
Event directly affected:
 Natural Fish , Shellfish , Aquatic Mammals
Toxicity detected: Yes (Approximate range: California Mussels (Mytilus californianus): 180 ppm; Bay Mussels (M. galloprovincialis): 170 ppm; Rock Crab viscera: 1000 ppm)
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (California Department of Public Health Marine Biotoxin Monitoring Program)
Event occurred before in this location: Yes (Pseudo-nitzschia blooms and elevated levels of domoic acid are common in the Santa Barbara and northern Channel Island chain region.)
Individuals to contact: LANGLOIS, Gregg

Location & Date

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Location: Latitude: , Longitude:
General location information: Santa Barbara and offshore near the northern Channel Island chain, California (19)
HAB Area code(s): US-19
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2015-05-12, End: 2015-07-13
Additional date-related information: rock crab retained elevated lvls DA Feb 2016

Microalgae

Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia seriata ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
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:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 10:27 on 2 Feb 2017