General Information

Event name: FI-14-002
Country: FINLAND
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: KREMP, Anke , LEHTINEN, Sirpa

Location & Date

[View larger map]
Location: Latitude: 60.250000, Longitude: 20.883056
General location information: Föglö/ Överö, Åland archipelago, Baltic Sea
HAB Area code(s): FI-04
Additional location information: shallow overgrown sound (coastal, sheltered, localized
Bloom event dates (yyyy/mm/dd): Event Date:2014-08-13
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium ostenfeldii (6 000 000 cells/L)
unialgal bloom
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: warm and calm Turbidity (NTU): Wind direction:
Stratified water: Yes Oxygen content (nL/L): Wind velocity:
Temperature (°C): 24 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Surface
Growth:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
A. ostenfeldii CYCLIC IMINES - Gymnodimines GYM LC-MS
A. ostenfeldii Saxitoxins GTX2 LC-MS
A.ostenfeldii Saxitoxins GTX3 LC-MS
A. ostenfeldii Saxitoxins STX LC-MS
Kit used: Type of kit used:
Additional information: undescribed Gymnodimine, being characterized
Economic losses:
Management decision: Media was informed to alert local inhabitants and summer vacationers
Additional harmful effect information:
Created at 09:22 on 27 Mar 2015
Updated at 12:23 on 5 Oct 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES