General Information

Event name: US-92-014
Nature of the harmful event:
Mass mortalities
Event directly affected:
Natural Fish , Shellfish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Similar occurrences in previous years.)
Individuals to contact: TESTER, Patricia

Location & Date

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Location: Latitude: , Longitude:
General location information: Neuse and Pamlico River/Estuary & Core Sound., North Carolina.
HAB Area code(s): US-11
Additional location information: Neuse and Pamlico River/Estuary & Core Sound, Coastal waters off Willmington, NC.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Throughout late summer and winter (in Core Sound).


Causative organism known: No
Causative Species/Genus: Pfiesteria piscicida ( cells/L)
Previously reported as Pfiesteria, however, Karlodinium spp. is now believed to be the causative organism
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: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
In situ
Growth Comments Probably "in situ".
Additional Environmental information: Estuarine & near coastal.

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: None.
Additional harmful effect information: Small fish kills/shellfish kills (localized)
Updated at 05:52 on 3 Apr 2019