degradation of food chain

例句：

1. 1. The soil is undergoing a process of degradation due to the lack of proper management.
   由于缺乏适当的管理，土壤正在经历一个降解过程。
2. 2.The food chain has been severely degraded by pollution.
   由于污染，食物链已经严重退化。
3. 3.The study found that the degradation rate of this material was significantly higher than that of other similar materials.
   研究发现，这种材料的降解速率明显高于其他类似材料。