General Information

Event name: RU-00-001
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: Yes (Detected sporadically from 1992)
Individuals to contact: ORLOVA, Tatiana Yu , SELINA, Marina S. , STONIK, Inna V.

Location & Date

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Location: Latitude: 43.000000, Longitude: 131.000000
General location information: Rynda Bay (Peter the Great Bay), Primorskii Krai, Southeast Russia
HAB Area code(s): RU-11
Additional location information: The affected area is a recreation zone. 43 2 6 N; 131 78 7 E
Bloom event dates (yyyy/mm/dd): Event Date:2000-06-06
Start: 2000-06-06,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Before and after this data, species was found in the water in low concentrations.


Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia spp. (1750000 cells/L)
Identified by electron microscopy
Co-Ocurring Species/Genus: Dinophysis acuta (250000 cells/L)
Identified by light microscopy
Chlorophyll concentration, if known: µg/l
Additional bloom information: Pseudo-nitzschia multiseries/pungens: Identified by electron microscopy.
Event-related bibliography: Orlova et al., 1996; Orlova, Stonik, 2001; Stonik et al., 2001

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 14.4 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
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: