As such, they are key species for understanding and predicting impacts of global change on Antarctic and sub-Antarctic marine ecosystems.

因此，它们是感知和预测全球变化对南极和亚南极海洋生态系统影响的重要物种。

The next step for Stark and his colleagues is to assess whether historical pollution continues to affect Antarctic ecosystems today.

斯塔克和他的同事的下一步计划是评估历史性污染是否继续影响南极的生态系统。

That data will help scientists understand the role of humpback whales in the Antarctic ecosystem as it reacts to climate change.

这些数据将根据它们对气候变化的反应，帮助科学家们了解座头鲸在南极气候系统中的作用。

D) Sustain fishing without damaging the Antarctic ecosystem.

D) 在不破坏南极生态系统的情况下维持捕鱼。

It also highlights incidents of fishing boats being involved in groundings, oil spills and accidents, which posed a serious threat to the Antarctic ecosystem.

报告还强调，渔船搁浅、漏油和意外事故等事件对南极生态系统构成了严重威胁。

But today's report is the starkest warning yet of the potentially devastating impact of climate change and human exploitation on the Antarctic's delicate ecosystems.

但今天的报告是迄今为止最严厉的警告，气候变化和人类开发对脆弱的南极生态系统可能会带来灾难性的影响。