environmental periodicity

例句：

1. 1. Thestudy of environmental periodicity is crucial forunderstanding the impact of climate change on ecosystems.
   研究环境周期性对于理解气候变化对生态系统的影响至关重要。
2. 2. The research team has identifiedseveral environmental periodicities that could affect thehealth of the local population.
   研究团队已经识别出几个可能影响当地人口健康的环境周期性。
3. 3. The scientists have discovered a newenvironmental periodicity that may explain why certainspecies are more abundant in certain regions.
   科学家们发现了一种新的环境周期性，这可能解释了为什么某些物种在某些地区更丰富。