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General Information

Event name: MX-12-024
Country: MEXICO
Nature of the harmful event:
 Mass mortalities
Event directly affected:
 Planktonic life , Natural Fish , Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
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 & Date

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Location: Latitude: , Longitude:
General location information: Bahía de Banderas, Nayarit
HAB Area code(s): GCS
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2012-10-20, End: 2012-11-05
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Margalefidinium polykrikoides (Margalef, 1961) F.Gómez, Richlen & D.M.Anderson, 2017 ( cells/L)
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/cofepris/documentos/presencia-de-marea-roja-en-costas-nacionales-durante-2003

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
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: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: Death of 5 ton. of natural and aquaculture fishes
Created at 08:06 on 3 Jan 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES