Not Poison! Secrets Behind Massive Fish Deaths In L.Victoria Revealed

Not Poison! Secrets Behind Massive Fish Deaths In L.Victoria Revealed

By Spy Uganda

Kampala: The Ministry of Agriculture, Animal Industry, and Fishery (MAAIF) together with the environmental authority in Uganda and communities living in and around the shores of Lake Victoria have been in a panic over the growing number of dead fish especially Nile Perch along the shores citing the possibility of poison in the lake.

This was generated by the investigations from samples collected from the Kasenyi landing site and surrounding areas, Gguda landing site (greenfields), Bugonga landing site, and Kigungu Landing site and Wagagi Flower Farm and Lido beach all in Wakiso.

However, according to the National Environment Management Authority (NEMA), preliminary investigations have ruled out the possibility of poison as the cause of the deaths of the fish.

A lot of the dead fish can be seen floating over Bugonga Bay in Entebbe and curiously, it is only one type dying – the Nile Perch (Empuuta).

“The occurrence has been attributed to a drop in oxygen levels. Nile perch is species of fish known to be sensitive to low oxygen levels- (below 2mgl),” NEMA said in a statement.

NEMA adds, “as a result of the recent flooding and rising water levels, large masses of weeds were submerged and sunk into the lake bed. These weeds use up oxygen as they rot from within the lake hence a drop in the oxygen levels.”

“Also, the recent strong winds around the Lake Victoria basin have heightened lake overturn; a phenomenon that causes water from the bottom of the lake that is low in oxygen, to come up and mix with upper layers, where fish live; leading to a reduction in oxygen, hence the death of fish,” NEMA’s statement further read.

This is not the first time large scale fish deaths are occurring on Lake Victoria; Fishing communities have always referred to this situation as “Kaliro” and it occurs periodically.

Communities living around the lake are advised to bury the dead fish to contain the pungent smell; as further research and studies are undertaken by all stakeholders including, NEMA, MAAIF, Communities, and developers.

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