德国“云杉山”森林更新计划执行情况德国东南部有座以树得名的“云杉山”，满山皆是人工云杉纯林。云杉山与捷克为邻。捷克那边有４个火力发电站离云杉山３０～１００ｋｍ，东来的烟气使这里的云杉于１９８７年出现突发性死亡。森林污染的面积大而且病症明显，树叶发黄。... Germany “spruce mountains” implementation of the plan to update forests in southeastern Germany there is a tree named “spruce mountains”, mountains are all artificial spruce pure forest. Picea mountains and the Czech neighbors. There are 4 thermal power stations in the Czech Republic 30 ~ 100km away from the spruce hills, the east of the flue gas spruce here in 1987 sudden death. The area of ​​forest pollution is large and the disease is obvious, the leaves are yellow. ...