PolE At Sea Observations of Birds and Marine Mammals during PS 81 (ANT-XXIX/4)

During the PS81 (ANT-XXIX/4) expedition of icebreaking RV Polarstern from Punta Arenas to the North Scotia Sea Ridge, South Georgia, and the South Sandwich Trench and back to the Falkland Islands from 22 March till 26 April 2013, three independent datasets were collected in order to establish the quantitative at-sea distribution of marine mammals and seabirds.2013年3月22日至4月26日，破冰科考船“极星号”（RV Polarstern）执行PS81（ANT-XXIX/4）航次，航线始发于蓬塔阿雷纳斯（Punta Arenas），途经斯科舍海北部海岭（North Scotia Sea Ridge）、南乔治亚岛（South Georgia）与南桑威奇海沟（South Sandwich Trench），最终返回福克兰群岛（Falkland Islands）。本航次期间共采集三套独立数据集，以定量明确海洋哺乳动物与海鸟的远洋分布情况。