Submitted on: 21 July 2003.
Revised on: 17 October 2003.
Accepted on: 29 November 2003.
___________________ENVIRONMENTAL AND ECOLOGICAL STATISTICS
Submitted on: 17 September 2022.
Revised on: 14 October 2022.
Accepted on: 02 November 2022.
___________________ENVIRONMENTAL AND ECOLOGICAL STATISTICS
Submitted on: 05 May 2021.
Revised on: 02 July 2021.
Accepted on: 22 July 2021.
___________________ENVIRONMENTAL AND ECOLOGICAL STATISTICS
http://reply.papertrans.cn/1/86/8586/8586-14.png
Submitted on: 24 September 2014.
Revised on: 02 January 2015.
Accepted on: 21 January 2015.
___________________ENVIRONMENTAL AND ECOLOGICAL STATISTICS
http://reply.papertrans.cn/1/86/8586/8586-16.png
http://reply.papertrans.cn/1/86/8586/8586-17.png
http://reply.papertrans.cn/1/86/8586/8586-18.png
http://reply.papertrans.cn/1/86/8586/8586-19.png
http://reply.papertrans.cn/1/86/8586/8586-20.png