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General Information

Event name: LV-00-003
Country: LATVIA
Nature of the harmful event:
 Water Discoloration , High Phyto concentration
Event directly affected:
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 (detected annually from mid-July till September)
Individuals to contact: BALODE, Maija , PURINA, Ingrida

Location & Date

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Location: Latitude: , Longitude:
General location information: Southern part of the Gulf of Riga, Gulf of Riga, Latvia.
HAB Area code(s): LV-02
Additional location information: ICES fishing area: 28.
Bloom event dates (yyyy/mm/dd): Start: 2000-07-12,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Aphanizomenon flos-aquae (105,100 (1 cells/L)
Detectec by light microscopy
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Calm, sunny Turbidity (NTU): Wind direction:
Stratified water: Yes Oxygen content (nL/L): Wind velocity:
Temperature (°C): 19,8 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 3,8 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column: Whole column
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:
Updated at 10:11 on 3 Dec 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES