Submitted on: 21 April 2003.
Revised on: 02 August 2003.
Accepted on: 12 September 2003.
___________________Freshwater Science---UNIV CHICAGO PRESS
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Submitted on: 12 January 1998.
Revised on: 14 April 1998.
Accepted on: 14 May 1998.
___________________Freshwater Science---UNIV CHICAGO PRESS
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Submitted on: 03 June 2024.
Revised on: 06 September 2024.
Accepted on: 04 November 2024.
___________________Freshwater Science---UNIV CHICAGO PRESS
Submitted on: 28 February 2007.
Revised on: 30 May 2007.
Accepted on: 23 July 2007.
___________________Freshwater Science---UNIV CHICAGO PRESS
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