field ecosystem

例句：

1. 1. The field ecosystem is crucial for the survival of many species.
   田野生态系统对许多物种的生存至关重要。
2. 2. Ecological studies in the field ecosystem are essential for understanding the impact of human activities on the environment.
   田野生态系统中的生态研究对于理解人类活动对环境的影响至关重要。
3. 3. The study of the field ecosystem helps us to understand how different species interact and contribute to the overall biodiversity of a region.
   田野生态系统的研究帮助我们了解不同物种如何相互作用，以及它们如何为某一地区的生物多样性做出贡献。