First global census of the Adelie Penguin
First global census of the Adelie Penguin
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DOI：
10.1642/auk-14-31.1
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发表时间：
2014-10-01
期刊：
影响因子：
2.8
通讯作者：
LaRue, M. A.
中科院分区：
文献类型：
--
作者：
Lynch, H. J.;LaRue, M. A.
我们报告了阿德利企鹅 (Pygoscelis adeliae) 的首次全球普查，该普查通过地面计数和卫星图像相结合的方式实现，发现繁殖种群比 1993 年的上次估计增加了 53%（379 万对繁殖对）。我们对 41 个以前未调查的企鹅群（总共包含 420,000 个繁殖对）提供了首次丰度估计，并报告了 17 个以前未知的企鹅群。殖民地，其中 11 个可能是最近的殖民者。这些最近的定居点相当于已知繁殖种群增量的 5%，并提供了对这些高度亲海性海鸟定居新繁殖地的能力的深入了解。此外，我们还报告了调查中未发现的 13 个菌落，其中 8 个我们认为已经灭绝。我们发现，南极半岛阿德利企鹅数量的减少被东南极洲的数量增加所抵消。我们的全球人口评估为了解未来丰度和分布的变化提供了坚实的基线。这些结果对于正在进行的有关南大洋海洋保护区设计和实施的谈判至关重要。
We report on the first global census of the Adelie Penguin (Pygoscelis adeliae), achieved using a combination of ground counts and satellite imagery, and find a breeding population 53% larger (3.79 million breeding pairs) than the last estimate in 1993. We provide the first abundance estimates for 41 previously unsurveyed colonies, which collectively contain 420,000 breeding pairs, and report on 17 previously unknown colonies, 11 of which may be recent colonizations. These recent colonizations represent similar to 5% of the increase in known breeding population and provide insight into the ability of these highly philopatric seabirds to colonize new breeding territories. Additionally, we report on 13 colonies not found in the survey, including 8 that we conclude have gone extinct. We find that Adelie Penguin declines on the Antarctic Peninsula are more than offset by increases in East Antarctica. Our global population assessment provides a robust baseline for understanding future changes in abundance and distribution. These results are a critically needed contribution to ongoing negotiations regarding the design and implementation of Marine Protected Areas for the Southern Ocean.