Submitted on: 18 July 1999.
Revised on: 15 August 1999.
Accepted on: 12 October 1999.
___________________AFRICAN JOURNAL OF MARINE SCIENCE
Submitted on: 18 January 2019.
Revised on: 28 March 2019.
Accepted on: 14 April 2019.
___________________AFRICAN JOURNAL OF MARINE SCIENCE
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Submitted on: 13 December 2018.
Revised on: 02 February 2019.
Accepted on: 22 February 2019.
___________________AFRICAN JOURNAL OF MARINE SCIENCE
http://reply.papertrans.cn/1/10/909/909-25.png
Submitted on: 17 November 2006.
Revised on: 09 March 2007.
Accepted on: 12 April 2007.
___________________AFRICAN JOURNAL OF MARINE SCIENCE
Submitted on: 31 May 2002.
Revised on: 17 July 2002.
Accepted on: 28 August 2002.
___________________AFRICAN JOURNAL OF MARINE SCIENCE
Submitted on: 10 June 2022.
Revised on: 20 August 2022.
Accepted on: 08 September 2022.
___________________AFRICAN JOURNAL OF MARINE SCIENCE
Submitted on: 14 July 2003.
Revised on: 28 October 2003.
Accepted on: 22 December 2003.
___________________AFRICAN JOURNAL OF MARINE SCIENCE
Submitted on: 25 July 1999.
Revised on: 29 August 1999.
Accepted on: 21 September 1999.
___________________AFRICAN JOURNAL OF MARINE SCIENCE