| Event name: | MX-06-004 | |
| Country: | MEXICO | |
|
Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Planktonic life , Natural Fish | |
| Toxicity detected: | Yes (Approximate range: 0.06-0.55 ug/g) | |
| Associated syndrome: | ASP | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Mareas Rojas (COFEPRIS)) | |
| Event occurred before in this location: | Yes | |
| Individuals to contact: | Rosalba Alonso Rodriguez | |
| Location: | Latitude: 24.000000, Longitude: -110.000000 | |
| General location information: |
Bahia de La Paz, Baja California Sur HAB Area code(s): GC |
|
| Additional location information: | Barco Hundido, El Mogote, Punta Mogote (PM). Marina Palmira, El Caimancito, Punta Prieta | |
| Bloom event dates (yyyy/mm/dd): | Start: 2006-06-09, End: 2006-07-07 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Sanitary closure and surveillance for a month | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Pseudo-nitzschia seriata
( cells/L)
Pseudo-nitzschia spp. (2,400,000 cells/L) Pseudo-nitzschia pungens ( cells/L) |
|
| Co-Ocurring Species/Genus: |
Chaetoceros spp.
(965,000 cells/L)
Thalassiosira eccentrica (Ehrenberg) Cleve 1904 (2,300,000 cells/L) |
|
| Chlorophyll concentration, if known: | 9.3 ug/L µg/l | |
| Additional bloom information: | fucoxanthin | |
| Event-related bibliography: | Comisión Federal para la Protección contra Riesgos Sanitarios. 2006. https://www.gob.mx/cofepris/documentos/presencia-de-marea-roja-en-costas-nacionales-durante-2006. López-Cortés D. J., E. J. Núñez-Vázquez, C. J. Band-Schmidt, I. Gárate-Lizárraga, F. E. Hernández-Sandoval, J. J. Bustillos-Guzmán. 2015. Mass fish die-off during a diatom bloom in the Bahía de La Paz, Gulf of California. Hidrobiológica 25 (1): 39-48. 22. Núñez-Vázquez, E., Gárate-Lizárraga, I., Band-Schmidt, C.J., Cordero-Tapia, A., López-Cortéz, D.J., Hernández-Sandoval, F.H., Heredia-Tapia, A., Bustillos-Guzmán, J.J. 2011. Impact of harmful algal blooms on wild and cultured animals in the Gulf of California. J. Environm Biol. 32(1/2): 413-423 | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
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| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | |||||||||||
| Additional information: | Mouse bioassay and HPLC-UV | |||||||||||
| Economic losses: | ||||||||||||
| Management decision: | Sanitary closure | |||||||||||
| Additional harmful effect information: | Fish died. Scomber japonicus, C. punctatissima, S. sadax, Scarus sp., Eucinostomus sp., Bodianus sp. | |||||||||||
