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General Information

Event name: US-00-010
Country: UNITED STATES
Nature of the harmful event:
 High Phyto concentration , Other ( Sporadic high levels of domoic acid in plankton in 1997-1998 (up to 29 pg/cell Pseudo-nitzschia); analyses for 2000 not completed but no reason to exp)
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (Since monitoring began in 1990.)
Individuals to contact: DORTCH, Quay

Location & Date

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Location: Latitude: 30.166667, Longitude: -94.000000
General location information: Gulf of Mexico., Louisiana.
HAB Area code(s): US-17
Additional location information: Box 94º W and 88º 45 ' W and 30º10 ' N and 28º 30' N. Includes estuarine and coastal waters.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: All year.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia pseudodelicatissima ( cells/L)
Pseudo-nitzschia delicatissima ( cells/L)
Pseudo-nitzschia multiseries ( cells/L)
Pseudo-nitzschia pungens ( cells/L)
Pseudo-nitzschia subfraudulenta ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Causative species: Pseudo-nitzschia pseudodelicatissima, delicatissima, multiseries, pungens, subfradulenta, and several unknowns. Cells/L: up to 10,000,000
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:
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:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES