Event name: | MX-16-009 | |
Country: | MEXICO | |
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Mass mortalities | |
Event directly affected: |
Planktonic life , Natural Fish | |
Toxicity detected: | Yes (Approximate range: not reported) | |
Associated syndrome: | ASP , NSP , Aerosolized toxins effects | |
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | There were no poisonings or human deaths | |
Report the outcome of a monitoring programme: | Yes (Mareas Rojas (COFEPRIS)) | |
Event occurred before in this location: | Yes (The regularity is not known, however it occurs some years and others not) | |
Individuals to contact: | Rosalba Alonso Rodriguez , COFEPRIS |
Location: | Latitude: 25.879444, Longitude: -97.504444 | |
General location information: |
Matamoros, Tamaulipas, north of Gulf of Mexico HAB Area code(s): GM |
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Additional location information: | In coastal zone, front to Matamoros City in Tamaulipas State, Mexico | |
Bloom event dates (yyyy/mm/dd): | ||
Quarantine levels dates (yyyy/mm/dd): | First detection: 2016-09-23, End: 2016-11-01 | |
Additional date-related information: | the sanitary closure was implemented |
Causative organism known: | Yes | |
Causative Species/Genus: |
Karenia brevis
(40,000 cells/L)
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: | Comisión Federal para la Protección contra Riesgos Sanitarios. 2016. https://www.gob.mx/cms/uploads/attachment/file/388536/Presencia_de_Marea_Roja_en_costas_nacionales_durante_2016.pdf |
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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 | ||||||||||||||||||||||||||
Additional Environmental information: |
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Kit used: | Type of kit used: | ||||||
Additional information: | not reported | ||||||
Economic losses: | Yes. by closure for extraction and sale of fish, but they were not evaluated | ||||||
Management decision: | sanitary closure > 1 month | ||||||
Additional harmful effect information: | 45 ton of death fishes |