我们离赤松林不远了。
这里就是赤松林了。
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。
How to accelerate succession of the red pine woods into a higher-grade ecosystem is discussed.
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。
The results show that the red pine woods is a weak ecosystem, which may be the cause of spreading plant diseases and pest insects.
本文采用动态可比性林木分级法，研究了东北东部天然赤松林的种群结构。
The method of dynamic comparable tree classification was introduced to study the population structure of natural Japanese red pine forest in Northeast China.
本文采用动态可比性林木分级法，研究了东北东部天然赤松林的种群结构。
The method of dynamic comparable tree classification was introduced to study the population structure of natural Japanese red pine forest in Northeast China.
应用推荐