The Disturbed Ecosystem of Lake Victoria


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  • The Disturbed Ecosystem of Lake Victoria
  • By Emily Tabaczynski, Fifth Hour
  • The issue first started when the Europeans  started to over fish    cichlids in Lake Victoria, so in an attempt to fix it, they introduced some non-native cichlids from Lake Albert to the lake.
  • Then, in 1954 the Nile Perch was introduced into Lake Victoria. 
  • Unfortunately, in just a little over a year, the  Nile Perch population skyrocketed, but the cichlid population dropped drastically, and over 200 species of cichlids   disappeared. 
  •  The government tried to solve the problem by bringing larger fishing boats and building modern processing plants. 
  • Sadly, there were bigger problems in Lake Victoria. A blue-green algae grew in the lake, causing the water to become murky. Because of the murky water, the cichlids couldn't see, so they couldn't reproduce, so they started their population dropped even more. The algae also deprived the lake of oxygen.  The Nile Perch were able to survive  from eating the prawns, snails, and midges  in the lake. 
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