General Information

Event name: CO-97-001
Country: COLOMBIA
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Humans
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (this event has occurred 5 times before)
Individuals to contact: Julian Franco

Location & Date

[View larger map]
Location: Latitude: 11.208056, Longitude: -74.238056
General location information: Magdalena Department, Santa Marta Bay
HAB Area code(s): COL-02
Additional location information: Bahia de Gaira
Bloom event dates (yyyy/mm/dd): Event Date:2021-02-05
Start: 2021-02-04, End: 2021-02-05
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Mesodinium rubrum (525975 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 10.2 µg/l
Additional bloom information:
Event-related bibliography: CONCEPTO TÉCNICO SOBRE MANCHA ROJA OBSERVADA ENTRE LAS BAHÍAS DE GAIRA Y SANTA MARTA EL 04 DE FEBRERO DE 2021. CPT-CAM-002-2

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 6.88 Wind velocity:
Temperature (°C): 26.1 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 37.1 Current Velocity:
Nutrient information: AMONIUM: 10
NITRATE: 3.47
NITRITE: 0.70
PHOSPHATE: 3.52 μg/L
SILICATE: 204 μg/L
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Surface
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:
Created at 09:11 on 28 Oct 2015
Updated at 01:21 on 19 Jul 2022
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES