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Submitted on: 10 December 2021.
Revised on: 28 March 2022.
Accepted on: 05 May 2022.
___________________Annual Review of Environment and Resources
Submitted on: 13 October 1999.
Revised on: 20 November 1999.
Accepted on: 21 December 1999.
___________________Annual Review of Environment and Resources
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Submitted on: 18 May 2007.
Revised on: 27 August 2007.
Accepted on: 24 September 2007.
___________________Annual Review of Environment and Resources
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