| Event name: | US-90-013 | |
| Country: | UNITED STATES | |
|
Nature of the harmful event: |
Mass mortalities | |
|
Event directly affected: |
||
| Toxicity detected: | No | |
| Associated syndrome: | NSP , Aerosolized toxins effects | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (1986 - G. breve bloom extended along much of Texas coast, although unsure if bloom occurred in the ship channel at that time.) | |
| Individuals to contact: | COX, Frank , REISINGER, Tony | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Laguna Madre., Texas. HAB Area code(s): US-18 |
|
| Additional location information: | In ship channel running off Laguna Madre near Brownsville | |
| Bloom event dates (yyyy/mm/dd): | Start: 1990-11-01, End: 1991-03-31 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | November 1990 through March 1991 (continuing) | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Gymnodinium breve
(300,000 cells/L)
|
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
|
||||||||||||||||||||||||||
| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | Probably advected - Satellite imagery of November 18, 1990 showed a 'slug' of 20.7º C water at mouth of Laguna Madre which may have affected ship channel, but nothing positive. | |||||||||||||||||||||||||
| Additional Environmental information: | End of ship channel farthers from coastal access. In November, temperatures were around 19º c. | |||||||||||||||||||||||||
|
|||||||
| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | Shellfish harvesting bans south of Port Mansfield from November 1990 to present (March 1, 1991 - continuing) | ||||||
| Additional harmful effect information: | Fish Kills and limited reports of aerosol (respiratory irritation) | ||||||
