forest ecosystem

例句：

1. 1. Forests are crucial for maintaining the balance of the ecosystem.
   森林对于维持生态系统的平衡至关重要。
2. 2. The forest ecosystem plays a vital role in carbon sequestration.
   森林生态系统在碳固定中发挥着重要作用。
3. 3.The loss of forests has led to a significant decline in the health of the forest ecosystem.
   森林的丧失导致森林生态系统健康状况显著下降。