这份报告还强调了渔船搁浅、石油泄漏和意外事件，这些事件对南极生态系统构成了严重威胁。
The report also highlights incidents of fishing boats being involved in groundings, oil spills and accidents, which posed a serious threat to the Antarctic ecosystem.
因此，在理解和预测全球变化对南极和亚南极海洋生态系统影响方面，它们是关键物种。
As such, they are key species for understanding and predicting impacts of global change on Antarctic and sub-Antarctic marine ecosystems.
今天的报告是迄今为止对气候变化和人类开发对南极脆弱生态系统的潜在破坏性影响发出的最严厉警告。
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.
南极气候与生态系统合作研究中心的研究人员简短的声明。 “未来两座巨大冰山的位置很可能会影响当地洋流循环、海冰及深海海水的形成。”
Thefuture position of the two giant icebergs will likely affect localocean circulation ... sea ice production, and deep water formation, ”ACECRC researchers said in a statement.
在Oden停靠在南极洲美国主基地后，Thatje在船上接受了采访，他描述了蟹类靠近毫无防备的生态系统的情况。
During an interview on board the Oden just after it docked at the main U. s. base in Antarctica, Thatje described how the crabs are moving closer to an ecosystem with no defenses.
在Oden停靠在南极洲美国主基地后，Thatje在船上接受了采访，他描述了蟹类靠近毫无防备的生态系统的情况。
During an interview on board the Oden just after it docked at the main U.S. base in Antarctica, Thatje described how the crabs are moving closer to an ecosystem with no defenses.
南极洲周边各国采取了美国的建议，为了保护南极洲脆弱的生态系统而限制其周边地区的旅游。
Countries with ties to Antarctica have adopted US proposals to limit tourism in the region, in a bid to protect the fragile ecosystem of the continent.
由于科学考察活动日益频繁以及旅游业在南极地区的迅速开展，人类活动对南极陆地生态系统的影响在最近几十年内一直倍受国际社会的关注。
An awareness of human impacts on the Antarctic terrestrial ecosystem has been increasing in the recent decades due especially to the expansion of scientific expeditions and the tourism industry.
由于科学考察活动日益频繁以及旅游业在南极地区的迅速开展，人类活动对南极陆地生态系统的影响在最近几十年内一直倍受国际社会的关注。
An awareness of human impacts on the Antarctic terrestrial ecosystem has been increasing in the recent decades due especially to the expansion of scientific expeditions and the tourism industry.
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