forestry ecosystem的用法和樣例：
例句
- Millipedes is an important decomposer in the forest ecosystem.
馬陸是森林生態系統重要的分解者，在帽兒山林區，馬陸攝食量隨溫度的升高而增加。 - Stand biomass which is the foundation of researching many forestry and ecology problems is a basic quantity character of the forest ecological system.
摘要林分生物量是森林生態系統最基本的數量特徵，是研究許多林業問題和生態問題的基礎。
