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General Information

Event name: MX-04-002
Country: MEXICO
Nature of the harmful event:
 Water Discoloration , High Phyto concentration
Event directly affected:
 Planktonic life , Natural Fish
Toxicity detected: No
Associated syndrome:
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: 24.420000, Longitude: -110.363056
General location information: Isla Espíritu Santo, La Paz, B. C. S.
HAB Area code(s): GC
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2004-10-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Gonyaulax polygramma (4.1 x 10^6 cells/L)
Infect by Amoebophyra ceratii
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Gárate-lizárraga, I., Muńetón-Gómez, M. S., Maldonado-Lopez, V. 2006. Florecimiento del dinoflagelado Gonyaulax polygramma frente a la Isla Espiritu Santo, Golfo de California, Mexico. Rev. Invest. Mar. 27(1): 31-39.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 26 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information: PHOSPHATE: 3.89 uM
SILICATE: 5.91 uM
NITRATE + NITRITE: 2.46 uM
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Surface
Growth:
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 05:29 on 5 Feb 2018
Updated at 12:44 on 6 Feb 2018