http://reply.papertrans.cn/4/302/30198/30198-21.png
Submitted on: 25 November 1998.
Revised on: 05 December 1998.
Accepted on: 28 December 1998.
URBAN FORESTRY & URBAN GREENING
http://reply.papertrans.cn/4/302/30198/30198-23.png
http://reply.papertrans.cn/4/302/30198/30198-24.png
Submitted on: 17 August 2008.
Revised on: 04 September 2008.
Accepted on: 16 September 2008.
URBAN FORESTRY & URBAN GREENING
http://reply.papertrans.cn/4/302/30198/30198-26.png
http://reply.papertrans.cn/4/302/30198/30198-27.png
Submitted on: 01 June 2019.
Revised on: 17 June 2019.
Accepted on: 06 July 2019.
URBAN FORESTRY & URBAN GREENING
http://reply.papertrans.cn/4/302/30198/30198-29.png
http://reply.papertrans.cn/4/302/30198/30198-30.png