General Information

Event name: LV-01-005
Country: LATVIA
Nature of the harmful event:
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: Yes (Latvian National Marine Monitoring.)
Event occurred before in this location: No
Individuals to contact: LEDAINE, Iveta

Location & Date

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Location: Latitude: , Longitude:
General location information: Central 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): Event Date:2001-07-17
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena (3,200 (100 cells/L)
Detected by light microscopy.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): 3.3 Wind direction: S
Stratified water: Yes Oxygen content (nL/L): 6.1 mL/L Wind velocity: 8.5
Temperature (°C): 20 Oxygen saturation %: 99 Current Direction:
Sechhi disk (m): Salinity: 4.5 Current Velocity: 0
Nutrient information: AMONIUM: 1.7 ÁM/L
PHOSPHATE: 1.35 ÁM/L
SILICATE: 8.83 ÁM/L
NITRATE + NITRITE: 0.1 ÁM/L
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Subsurface
Growth:
Growth Comments
Additional Environmental information: Wind velocity: 8.5 m/s.

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 10:06 on 3 Dec 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES