How to accelerate succession of the red pine woods into a higher-grade ecosystem is discussed.
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。
The results show that the red pine woods is a weak ecosystem, which may be the cause of spreading plant diseases and pest insects.
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.
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。
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