Harmful Algal Information System: Event SV-17-002

General Information

Event name:	SV-17-002
Country:	EL SALVADOR
Nature of the harmful event:	Mass mortalities
Event directly affected:
Toxicity detected:	Yes
Associated syndrome:	PSP
Unexplained toxicity:	Yes (Saxitoxins were found in sea turtles tissues, however no harmful algal bloom was detected)
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 (Similar mass mortality of sea turtles occurred in 2013 along the coast of El Salvador)
Individuals to contact:	RUIZ-RODRIGUEZ, Gerardo , AMAYA-MONTERROSA, Oscar , QUINTANILLA, Rebeca

Location:	Latitude: 13.039167, Longitude: -88.439444
General location information:	Bahía de Jiquilisco, Usulután HAB Area code(s): ELS-04
Additional location information:	Around 200 sea turtles were found dead floating approximately 15km offshore the coast of Bahía de Jiqulisco. Around 100 sea turtles stranded later in different places of the coast of El Salvador
Bloom event dates (yyyy/mm/dd):	Event Date:2017-11-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:	Saxitoxins were found in sea turtles tissues, however no harmful algal bloom was detected in the area
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: °C, Min: °C

Salinity Range During Event:

Bloom location in the water column:

Growth:

Growth Comments

Additional Environmental information:

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Chelonia mydas	Saxitoxins	STX eq	1264.16 STX eq µg/kg	Receptor Binding

Kit used:

Type of kit used:

Additional information:

Economic losses:

Management decision:

Additional harmful effect information:

Around 300 turtles were found dead

Created at 05:41 on 22 Jan 2018