Home Browse Events Search Events Add Event Browse Grids Contact Login

General Information

Event name: CM-00-001
Country: CAMEROON
Nature of the harmful event:
 High Phyto concentration , Freshwater
Event directly affected:
Toxicity detected: No
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

[View larger map]
Location: Latitude: 3.866667, Longitude: 11.516667
General location information: Yaounde Municipal Lake,
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)
Co-Ocurring Species/Genus: Cylindrospermopsis raciborskii Seenaya et Subba Raju 1972 ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: N. Kemka et al., Quantitative importance of cyanobacteria populations in a hypertrophic shallow lake in the subequatorial African region (Yaounde Municipal Lake, Cameroon). Arch. Hydrobiol. 156, 495–510 (2003).

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 11:00 on 21 Feb 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES