General Information

Event name: SV-10-001
Nature of the harmful event:
Water Discoloration , Mass mortalities
Event directly affected:
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (National Monitoring Programme of the Marine Environment)
Event occurred before in this location: Yes
Individuals to contact: AMAYA-MONTERROSA, Oscar , QUINTANILLA, Rebeca

Location & Date

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Location: Latitude: 13.357222, Longitude: -89.747222
General location information: Los Cóbanos, Sonsonate
HAB Area code(s): ELS-06
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2010-10-24
Start: 2010-10-24, End: 2010-10-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium ostenfeldii (117882 cells/L)
Species was identifies as A.ostenfeldii/peruvianum, which in total accounted for 148,849 cell/L
Co-Ocurring Species/Genus: Pyrodinium bahamense var. compressum (1998 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Espinoza, Jaime, Oscar Amaya, and Rebeca Quintanilla. 2013. Atlas de Fitoplancton Marino. 1st Ed. San Salvador: Universidad de El Salvador. 52p.

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 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: Approximately 12 sea turtles were found deade during the events, but toxicity was not measured
Created at 11:55 on 5 Jun 2018