鱼类正在以塑料微粒为食,以为这是浮游生物或者其它食物,于是塑料就进入了海洋中的食物链。
The fish are consuming small particles of plastic thinking it is plankton or other food then the plastic enters the food chain of the ocean.
在海洋生态系统中,鲨鱼处于食物链的顶端。
Sharks are at the top of the food chain in the ocean's ecosystem.
食物链等级体系中的高等级物种平均捕获率(而捕获正在并将持续进行)处于持续上升态势之中——按照所谓食物链等级理论,这应当意味着海洋生态系统的健康平衡发生了变化。
The average trophic level of what is being caught is rising — and this in principle should indicate improving ecosystem health.
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