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Submitted on: 22 November 2008.
Revised on: 25 February 2009.
Accepted on: 22 April 2009.
___________________JOURNAL OF FRESHWATER ECOLOGY---TAYLOR & FRANCIS INC
Submitted on: 11 March 2019.
Revised on: 09 July 2019.
Accepted on: 24 July 2019.
___________________JOURNAL OF FRESHWATER ECOLOGY---TAYLOR & FRANCIS INC
Submitted on: 19 May 2011.
Revised on: 02 August 2011.
Accepted on: 17 August 2011.
___________________JOURNAL OF FRESHWATER ECOLOGY---TAYLOR & FRANCIS INC
Submitted on: 03 June 2007.
Revised on: 24 September 2007.
Accepted on: 10 November 2007.
___________________JOURNAL OF FRESHWATER ECOLOGY---TAYLOR & FRANCIS INC
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Submitted on: 03 October 2014.
Revised on: 24 October 2014.
Accepted on: 04 December 2014.
___________________JOURNAL OF FRESHWATER ECOLOGY---TAYLOR & FRANCIS INC