An Investigation and Control for Before and After Water Eutrophication and Cyanobacteria Break out of Du Tang Reservoir in Yunxiao

Reservoir due to rapid deterioration of ecological environment caused serious oxidation state of water eutrophication,then Cyanobacteria broke out,which seriously affecting people's normal life and economic development.This article describes the causes of the outbreak of cyanobacteria,through a series of effective water eutrophication improvement measures;cutting and controling of pollution sources,opening water resource,carrying out ecological restoration,renovating surrounding environment and the reservoir water quality surveillance should also be strengthened.For the effective curbing reservoir eutrophication to provide scientific and reliable real-time data,to restore the water body functions,protect the safety of drinking water and ecological balance.