| Event name: | SV-13-001 | |
| Country: | EL SALVADOR | |
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Nature of the harmful event: |
High Phyto concentration , Mass mortalities , Other ( odor descomposition) | |
|
Event directly affected: |
Other Terrestrial | |
| Toxicity detected: | Yes (Approximate range: 116.11-730.00 micrograms SXT eq. / 100g) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | Presumably, jellyfish. | |
| Report the outcome of a monitoring programme: | Yes (Permanent Monitoring of the Marine Environment. LABTOX-UES.) | |
| Event occurred before in this location: | ||
| Individuals to contact: | RUIZ-RODRIGUEZ, Gerardo , ALVARADO-CALLEJAS, Yaneth , AMAYA-MONTERROSA, Oscar | |
| Location: | Latitude: 13.425556, Longitude: -89.261389 | |
| General location information: |
El Amatal and San Diego beaches, La Libertad Beaches HAB Area code(s): ELS-02 |
|
| Additional location information: | The blooms occurs offshore. The MODIS satellite images showed high Chl concentrations offshore. Some fishermen saw intense red patches thousands nautical miles far away the coast line. | |
| Bloom event dates (yyyy/mm/dd): | Start: 2013-09-01, End: 2013-10-31 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Months when massive deaths appeared inshore | |
| Causative organism known: | No | |
| Causative Species/Genus: | ||
| Co-Ocurring Species/Genus: |
Gymnodinium catenatum
(5400 cells/L)
Cochlodinium polykrikoides (880 cells/L) Gymnodinium sp. (480 cells/L) cf. instriatum |
|
| Chlorophyll concentration, if known: | 9.0 µg/l | |
| Additional bloom information: | The samples were colected 3 nautical miles offshore. Samples analyzed did not presented high phytoplankton concentration, however some PST-producing species were found. MODIS Satellite chlorophyll data showed high phytoplankton biomass, far away from sampling sites. | |
| Event-related bibliography: | Amaya, etal. "Saxitoxin analyses with a receptor binding assay (RBA) suggest PSP intoxication of seaturtles in El Salvador". HARMFUL ALGAE NEWS No 48/2014. | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 30.5 °C, Min: 28.5 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 32.7 PSS, Min: 32.5 PSS | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | The conditions were measured at 9 meters deep in 3 different points. Data shared by CENDEPESCA. | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||||||||||||||||||||||
| Additional information: | Samples were analyzed in IAEA-MEL, NOAA and LABTOX-UES with comparative results. | |||||||||||||||||||||||||||||||
| Economic losses: | While turtles appeared stranded, the fishermen attested -to LABTOX- a low fishery level. There is no official economic loss value. | |||||||||||||||||||||||||||||||
| Management decision: | There was no fishing ban due the oysters' results were under the regulatory level: 80 micrograms of STX eq. / 100g. | |||||||||||||||||||||||||||||||
| Additional harmful effect information: | Some fishermen attested -to LABTOX- that two dogs died after had eaten dead turtles | |||||||||||||||||||||||||||||||
