http://reply.papertrans.cn/1/83/8250/8250-31.png
http://reply.papertrans.cn/1/83/8250/8250-32.png
http://reply.papertrans.cn/1/83/8250/8250-33.png
Submitted on: 05 November 2001.
Revised on: 08 December 2001.
Accepted on: 07 January 2002.
___________________Elementa-Science of the Anthropocene
Submitted on: 03 November 2015.
Revised on: 03 January 2016.
Accepted on: 20 January 2016.
___________________Elementa-Science of the Anthropocene
http://reply.papertrans.cn/1/83/8250/8250-36.png