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General Information

Event name: US-04-014
Country: UNITED STATES
Nature of the harmful event:
 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: No
Event occurred before in this location: No
Individuals to contact:

Location & Date

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Location: Latitude: , Longitude:
General location information: Lake Salvador, Lake des Allemands, Lake Catao,
HAB Area code(s): US-17
Additional location information: Low salinity lakes in the upper part of the Barataria Basin
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: The species data below represent cell concentrations of HAB species above 10^5 cells/liter, with the exception of Prorocentrum which are reported at 10^4 and Anabaena spp. which are reported at 10^6. Cell concentrations were averaged over seven stations in these lakes for the period June - December 2004 to generate an average concentration for each species on a single sample date. Data is from surface samples collected during routine sampling and were not associated with a particular bloom event.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Anabaena spp. (3,101,493 cells/L)
Date collected: 8/19/2004
Anabaena sp. (11,796,654 cells/L)
Anabaena cf. Circinalis. Data collected: 8/19/2004
Aphanizomenon sp. (4,161,242 cells/L)
Date collected: 8/19/2004
Cylindrospermopsis raciborskii (213,715 cells/L)
Date collected: 8/19/2004
Planktolyngbya contorta (10,281,164 cells/L)
Date collected: 8/19/2004
Raphidiopsis curvata (432,671 cells/L)
Date collected: 8/19/2004
Cylindrospermopsis raciborskii (141,735 cells/L)
Date collected: 9/9/2004
Cylindrospermopsis raciborskii (160,434 cells/L)
Date collected: 10/11/2004
Planktolyngbya contorta (10,979,143 cells/L)
Date collected: 10/11/2004
Raphidiopsis curvata (308,257 cells/L)
Date collected: 10/11/2004
Raphidiopsis curvata (112,858 cells/L)
Date collected: 11/8/2004
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:
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