华顶山云锦杜鹃林衰退原因及对策

Cause and countermeasure of deterioration of Rhododendron fortunei forest in Mount Huading

浙江天台华顶山云锦杜鹃古树林生长势减弱 ,开花指数减少 ,衰退现象正在加剧。主要是由于上层树种黄山松和柳杉入侵不断扩大和低灌层箬竹的蔓延所致。如能采取科学管理措施 ,对上层树种进行适当的疏伐和修枝 ,并清理箬竹等 ,可以阻止云锦杜鹃衰退 ,使群落复壮。参

The increasingly deterioration such as reducing growth potential and flower number of Rhododendron fortunei of Mount Huading,an ancient tree,was observed by investigating.The reasons are the continuing invasion of upper trees Pinus taiwnensis and Cryptomeria fortunei and of low shrubs Indocalamus tessellatus.If suitable measures such as trimming,thinning forest and cleaning the Indocalamus tessellatus are adopted,the deterioration of the trees could be prevented and the renovation of the forest could be expected.