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General Information

Event name: US-16-021
Country: UNITED STATES
Nature of the harmful event:
 Water Discoloration , High Phyto concentration
Event directly affected:
 Natural Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (VIMS HAB Monitoring Program)
Event occurred before in this location:
Individuals to contact: REECE, kimberly

Location & Date

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Location: Latitude: 38.394444, Longitude:
General location information: Potomac River, Chesapeake Bay
HAB Area code(s): US-10
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2016-06-02
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Prorocentrum minimum (63,400,000 cells/L)
Note that only a few dead fish were observed when the water sample was collected from Colonial Beach
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): 18.42 Wind velocity:
Temperature (°C): 27.68 Oxygen saturation %: 241.3 Current Direction:
Sechhi disk (m): 0.3 Salinity: 5.61 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
In situ
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 05:31 on 23 Mar 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES