我国桉树林发展中的生态问题探讨_王震洪.pdfVIP

199 , 17( 6)64- 6 Chinese Journal of Ecology * 王震洪 段昌群 起联春 张世彪 徐以宏 ( 云南大学生物系, 昆明650091) ( 云南省牟定县水土保持局, 675500) A Preliminary Investigation of Ecological Issues Arising in the Man- made Forest of Eucalyp t us in China. Wang Zhenhong, Duan Changqun( The Biology Dep artment of Yunnan Univ ersity, kun- ming 650091) , Qi Lianchun, Zhang Shibiao, Xu Yihong( The Soil and Water Conservation Bu- reau of Mouding county Yunan rovince 675500) . Chinese Journal of Ecology, 199 , 17( 6) : 64- 6 . The findings about the man- made forest of Eucalyp tus in China and other countries in recent years are review ed related ecological problems, such as t he decrease of soil fertility, the loss of biodiversit y and the simpt ified structure the man- made forest are pointed out in development of Eucalyp tus plantations in China. For making use of Eucalyp tus advantages, some suggestions are put forward in the paper. Key words:man- made forest of Eucalup tus, ecological problems, decrease of land capacity, loss of biodiversity ) , 33( ) ; 1 20%[ 2] ( Eucalyp tus) ( , [ 1] , , ) , 1 90 , 100 , , 15~ 20 17 , ( ) 600 1~ 2m , 300 , 10 , , 3 3 675% , 053m 3 [ 2] [4] 1) ; 0 , 5 5 10 ha( 1995 : 31 10 , (E. p ilutaris) 5 5 (E. grandis) (E. microcorys) ha, 1 7 10 ha, 13 10 ha, 5 4 600 ~ 147 10 ha, 144 10 ha, 4 1200mm 6~ ; 12 10 ha) , , 4