General Information

Event name: MX-12-003
Country: MEXICO
Nature of the harmful event:
High Phyto concentration
Event directly affected:
Planktonic life , Natural Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: Rosalba Alonso Rodriguez

Location & Date

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Location: Latitude: 24.140833, Longitude: -110.422500
General location information: La Ensenada de la Paz Shore, Baja California Sur
HAB Area code(s): GC
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2012-09-12, End: 2012-11-09
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Cochlodinium polykrikoides Margalef 1961 (8.6 x 10^3 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 12.12 x 10^4 µg/l
Additional bloom information:
Event-related bibliography: López-Cortés, D. J., Band-Schmidt, C. J., Bustillos-Guzmán, J. J., Hernández-Sandoval, F. E., Mendoza-Flores, A., Núñez-Vázquez, E. J. 2014. Environmental Conditions during a bloom of Cochlodinium polykrikoides (Gymnodiniales, Dinophyceae) in Ensenada de La Paz, Gulf of California. Revista de Biología Marina y Oceanografía. 49 (1): 97-110.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction: NNE
Stratified water: Oxygen content (nL/L): 9.0 - 9.3 Wind velocity: 0.4 - 5.0 ms-1
Temperature (°C): 30.3 Oxygen saturation %: >200 Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information: SILICATE: 9.0 - 34.9 uM
Temperature Range During Event: Max: 32 °C, Min: 26.4 °C
Salinity Range During Event: Max: 36.8, Min: 35.2
Bloom location in the water column: Whole column
In situ
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:
Created at 08:14 on 22 Feb 2018
Updated at 08:18 on 22 Feb 2018