net ecosystem exchange

例句：

1. 1. The study of the net ecosystem exchange is crucial for understanding the impact of climate change on biodiversity.
   研究净生态系统交换对于理解气候变化对生物多样性的影响至关重要。
2. 2. The researchers found that the net ecosystem exchange was significantly reduced due to the pollution.
   研究人员发现，由于污染，净生态系统交换显著减少。
3. 3. By analyzing the data, they were able to calculate the net ecosystem exchange between different ecosystems.
   通过分析数据，他们能够计算出不同生态系统之间的净生态系统交换。