General Information

Event name: MX-00-004
Country: MEXICO
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Planktonic life
Toxicity detected: No
Associated syndrome: PSP
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: 31.746944, Longitude: -116.702500
General location information: Rincon de Ballenas, Todos Santos Bay, B. C. N.
HAB Area code(s): MX-BCS-1
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Lingulodinium polyedrum (9.52 x10^5 cells/L)
Prorocentrum gracile (3.72 x 10^4 cells/L)
Prorocentrum micans (9.18 x 10^4 cells/L)
Ceratium furca (8.06 x 10^4 cells/L)
Scrippsiella trochoidea (2.14 x 10^4 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 100 µg/l
Additional bloom information:
Event-related bibliography: Peña-Manjarrez, J. L., Helenes, J., Gaxiola-Castro, G., Orellana-Cepeda, E. 2005. Dinoflagellate cysts and bloom events at Todos Santos Bay, Baja California, México, 1999-2000. Continental Shelf Research. 25: 1375-1393.

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: AMONIUM: 1.74 uM
PHOSPHATE: 0.86 uM
SILICATE: 17.62 uM
NITRATE + NITRITE: 1.93 uM
Temperature Range During Event: Max: 21.6 °C, Min: 13 °C
Salinity Range During Event: Max: 33.70, Min: 33.52
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 07:09 on 8 Feb 2018
Updated at 08:36 on 29 Dec 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES