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General Information

Event name: US-12-011
Country: UNITED STATES
Nature of the harmful event:
 Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Chesapeake Bay phytoplankton monitoring program)
Event occurred before in this location: Yes (An annual bloomer)
Individuals to contact: MARSHALL, Harold G.

Location & Date

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Location: Latitude: 37.373889, Longitude: -76.306667
General location information: Virginia, Chesapeake Bay
HAB Area code(s): US-10
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2012-08-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Cochlodinium polykrikoides (22,100,100 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: Yes 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:
Surface
Growth: Advected
Growth Comments
Additional Environmental information: Common seasonal bloomer in these waters.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 08:16 on 26 Mar 2014
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES