Event name: | US-94-014 | |
Country: | UNITED STATES | |
Nature of the harmful event: |
Water Discoloration , Mass mortalities | |
Event directly affected: |
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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 (Previous bloom and fish kill very similar to the 1994 event reported in Harper, D.E. Jr. & G. Guillen. 1989. Occurrence of a dinoflagellate bloom associated with an influx of low salinity water at Galveston, Texas and coincident mortalities of demersal fish and benthic invertebrates. Contributions in Marine Science 31: 147-161.) | |
Individuals to contact: | DORTCH, Quay |
Location: | Latitude: , Longitude: | |
General location information: |
, Louisiana. HAB Area code(s): US-17 |
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Additional location information: | Louisiana shelf adjacent to Sabine Pass. | |
Bloom event dates (yyyy/mm/dd): |
Event Date:1994-06-22 Start: 1994-06-22, |
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Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: | 22 June (may have been occurring for more than a month prior to this date). |
Causative organism known: | Yes | |
Causative Species/Genus: |
Gymnodinium sanguineum
(5,400,000 cells/L)
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | Surface water samples. | |
Event-related bibliography: | Marine Science 31: 147-161. |
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Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
Salinity Range During Event: | ||||||||||||||||||||||||||
Bloom location in the water column: | ||||||||||||||||||||||||||
Growth: | ||||||||||||||||||||||||||
Growth Comments | Not known. | |||||||||||||||||||||||||
Additional Environmental information: | 15.4 ppm . |
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Kit used: No | Type of kit used: | ||||||
Additional information: | |||||||
Economic losses: | |||||||
Management decision: | None in Louisiana. Texas Department of Parks and Wildlife collected samples for identification and environmental conditions and NOAA, NMFS held a workshop to consider relationship between algal bloom, fish kills, and turtle and marine mammal deaths. | ||||||
Additional harmful effect information: | Effect: Discolored water. A fish kill in Louisiana waters was described by the Texas Department of Parks and Wildlife, but there are no data from Louisiana monitoring agencies. |