Submitted on: 04 September 2008.
Revised on: 10 October 2008.
Accepted on: 28 October 2008.
___________________AFRICAN JOURNAL OF AQUATIC SCIENCE
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Submitted on: 15 September 2010.
Revised on: 12 October 2010.
Accepted on: 03 December 2010.
___________________AFRICAN JOURNAL OF AQUATIC SCIENCE
Submitted on: 22 October 2009.
Revised on: 28 November 2009.
Accepted on: 08 January 2010.
___________________AFRICAN JOURNAL OF AQUATIC SCIENCE
Submitted on: 30 August 2010.
Revised on: 31 October 2010.
Accepted on: 07 December 2010.
___________________AFRICAN JOURNAL OF AQUATIC SCIENCE
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Submitted on: 26 September 2017.
Revised on: 05 November 2017.
Accepted on: 26 November 2017.
___________________AFRICAN JOURNAL OF AQUATIC SCIENCE
Submitted on: 30 November 2008.
Revised on: 27 December 2008.
Accepted on: 31 January 2009.
___________________AFRICAN JOURNAL OF AQUATIC SCIENCE
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