【摘要】 根据赤松林次优势层片的差异,将烟台地区赤松林分为三大类,并分析了各类的特征。指出目前的赤松林是一种脆弱的生态系统,这是病虫害蔓延的原因。对如何促进赤松林演替为较高级的生态系统,进行了初步讨论。更多还原

【Abstract】 On the basis of differences among the subdominant synusias, the red pine woods in Yantai area is classified into three categories,and each of them is analysed. The results show that the red pine woods is a weak ecosystem, which may be the cause of spreading plant diseases and pest insects. How to accelerate succession of the red pine woods into a higher-grade ecosystem is discussed.更多还原