Submitted on: 09 March 2000.
Revised on: 18 April 2000.
Accepted on: 13 June 2000.
___________________Ecological Solutions and Evidence
http://reply.papertrans.cn/1/79/7877/7877-12.png
http://reply.papertrans.cn/1/79/7877/7877-13.png
Submitted on: 20 October 2011.
Revised on: 14 January 2012.
Accepted on: 21 February 2012.
___________________Ecological Solutions and Evidence
Submitted on: 07 September 2020.
Revised on: 15 November 2020.
Accepted on: 01 January 2021.
___________________Ecological Solutions and Evidence
http://reply.papertrans.cn/1/79/7877/7877-16.png
http://reply.papertrans.cn/1/79/7877/7877-17.png
http://reply.papertrans.cn/1/79/7877/7877-18.png
Submitted on: 16 March 2001.
Revised on: 01 June 2001.
Accepted on: 22 June 2001.
___________________Ecological Solutions and Evidence
http://reply.papertrans.cn/1/79/7877/7877-20.png