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General Information

Event name: DZ-08-003
Country: ALGERIA
Nature of the harmful event:
 High Phyto concentration , Freshwater
Event directly affected:
 Planktonic life
Toxicity detected: Yes
Associated syndrome: Cyanobacterial toxins effects
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: Xiao, Man

Location & Date

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Location: Latitude: 36.880000, Longitude: 8.377778
General location information: Lake Oubeira,
HAB Area code(s):
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Microcystis spp. ( cells/L)
Cylindrospermopsis raciborskii Seenaya et Subba Raju 1972 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: H. Nasri, S. El Herry, N. Bouaïcha, First reported case of turtle deaths during a toxic Microcystis spp. bloom in Lake Oubeira, Algeria. Ecotoxicol. Environ. Saf. 71, 535–544 (2008). N. Bouaïcha, A. B. Nasri, First report of cyanobacterium Cylindrospermopsis raciborskii from Algerian freshwaters. Environ. Toxicol. 19, 541–543 (2004).

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 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:
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:
Created at 12:29 on 30 Jan 2019
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