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International Journal of Fauna and Biological Studies

FAUNA

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Impact Factor: RJIF 5.53

e-ISSN : 2347-2677, p-ISSN : 2394-0522

NAAS Rating: 4.00

International Journal of Fauna and Biological Studies

2016, Vol. 3 Issue 1, Part A
Cyanobacteria blooms and biological control Methods
Author(s): Addisu Demeke
Abstract: In last few decades, an excessive development of cyanobacteria in lakes and reservoirs occurs as a consequence of increasing freshwaters eutrophication, especially of phosphorus input. Due to production of high biomass and toxins, the cyanobacterial occurrence leads to deterioration of aquatic ecosystems and also negatively affects use of lakes for recreation and as drinking water supplies. This review focuses on cyanobacterial blooms and possible biological control methods. The review includes already well-known methods as well as currently developing biological control methods and principles. Regarding biological control methods, the use of viruses and bacteria represent a new interesting direction of research, however, they have only been based on laboratory studies up to now. Thought, there are various biological control methods, the removal of substantial amount of benthivorous fish and restoration of macrophyte domination are important or even necessary supplements for successful lake restoration, it is not sufficient to prevent cyanobacterial development if used as the only measures.
Pages: 32-38  |  626 Views  23 Downloads
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