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General Information

Event name: RU-03-003
Country: RUSSIAN FEDERATION
Nature of the harmful event:
 Water Discoloration
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 (Plankton monitoring programme of the Institute of Marine Biology FEB RAS)
Event occurred before in this location: No
Individuals to contact: ORLOVA, Tatiana Yu , SELINA, Marina S. , STONIK, Inna V.

Location & Date

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Location: Latitude: , Longitude:
General location information: Amurskii Bay (Peter the Great Bay), Primorskii Krai, Southeast Russia
HAB Area code(s): RU-11
Additional location information: The bloom area is heavely poluted with domestic sewage waters. The bloom zone has an area of several square meters. 43 15 3 šN; 131 90 2 šE.
Bloom event dates (yyyy/mm/dd): Event Date:2003-06-30
Start: 2003-06-30, End: 2003-07-14
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Cochlodinium sp. (2,000,000 cells/L)
Identified by light microscopy
Co-Ocurring Species/Genus: Skeletonema costatum (8000000 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 18.5 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 18 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 22 °C, Min: 18 °C
Salinity Range During Event: Max: 31, Min: 18
Bloom location in the water column:
Surface
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES