Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.14377 |
Reproductive performance and diving behaviour share a common sea-ice concentration optimum in Adelie penguins (Pygoscelis adeliae) | |
Le Guen, Camille1; Kato, Akiko1; Raymond, Ben2; Barbraud, Christophe1; Beaulieu, Michael3,4; Bost, Charles-Andre1; Delord, Karine1; MacIntosh, Andrew J. J.5; Meyer, Xavier6; Raclot, Thierry6; Sumner, Michael2; Takahashi, Akinori7,8; Thiebot, Jean-Baptiste7; Ropert-Coudert, Yan1 | |
2018-11-01 | |
发表期刊 | GLOBAL CHANGE BIOLOGY |
ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2018 |
卷号 | 24期号:11页码:5304-5317 |
文章类型 | Article |
语种 | 英语 |
国家 | France; Australia; Germany; Japan |
英文摘要 | The Southern Ocean is currently experiencing major environmental changes, including in sea-ice cover. Such changes strongly influence ecosystem structure and functioning and affect the survival and reproduction of predators such as seabirds. These effects are likely mediated by reduced availability of food resources. As such, seabirds are reliable eco-indicators of environmental conditions in the Antarctic region. Here, based on 9 years of sea-ice data, we found that the breeding success of Adelie penguins (Pygoscelis adeliae) reaches a peak at intermediate sea-ice cover (ca. 20%). We further examined the effects of sea-ice conditions on the foraging activity of penguins, measured at multiple scales from individual dives to foraging trips. Analysis of temporal organisation of dives, including fractal and bout analyses, revealed an increasingly consistent behaviour during years with extensive sea-ice cover. The relationship between several dive parameters and sea-ice cover in the foraging area appears to be quadratic. In years of low and high sea-ice cover, individuals adjusted their diving effort by generally diving deeper, more frequently and by resting at the surface between dives for shorter periods of time than in years with intermediate sea-ice cover. Our study therefore suggests that sea-ice cover is likely to affect the reproductive performance of Adelie penguins through its effects on foraging behaviour, as breeding success and most diving parameters share a common optimum. Some years, however, deviated from this general trend, suggesting that other factors (e.g. precipitation during the breeding season) might sometimes become preponderant over the sea-ice effects on breeding and foraging performance. Our study highlights the value of monitoring fitness parameters and individual behaviour concomitantly over the long-term to better characterize optimal environmental conditions and potential resilience of wildlife. Such an approach is crucial if we want to anticipate the effects of environmental change on Antarctic penguin populations. |
英文关键词 | Antarctic breeding success diving activity foraging strategies Pygoscelis adeliae sea ice |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000447760300025 |
WOS关键词 | CLIMATE-CHANGE ; MARINE ECOSYSTEMS ; FORAGING BEHAVIOR ; ENVIRONMENTAL VARIABILITY ; POPULATION-DYNAMICS ; ANTARCTIC PENINSULA ; BREEDING SUCCESS ; FRACTAL ANALYSIS ; ROSS SEA ; PREDATOR |
WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/16484 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Univ La Rochelle, Ctr Etud Biol Chize, CNRS, UMR7372, Villiers En Bois, France; 2.Australian Govt, Dept Environm, Australian Antarctic Div, Kingston, Tas, Australia; 3.Ernst Moritz Arndt Univ Greifswald, Zool Inst & Museum, Greifswald, Germany; 4.German Oceanog Museum, Stralsund, Germany; 5.Kyoto Univ, Primate Res Inst, Inuyama, Aichi, Japan; 6.Univ Strasbourg, UMR7178, Inst Pluridisciplinaire Hubert Curien, CNRS, Strasbourg, France; 7.Natl Inst Polar Res, Tachikawa, Tokyo, Japan; 8.SOKENDAI, Dept Polar Sci, Tokyo, Japan |
推荐引用方式 GB/T 7714 | Le Guen, Camille,Kato, Akiko,Raymond, Ben,et al. Reproductive performance and diving behaviour share a common sea-ice concentration optimum in Adelie penguins (Pygoscelis adeliae)[J]. GLOBAL CHANGE BIOLOGY,2018,24(11):5304-5317. |
APA | Le Guen, Camille.,Kato, Akiko.,Raymond, Ben.,Barbraud, Christophe.,Beaulieu, Michael.,...&Ropert-Coudert, Yan.(2018).Reproductive performance and diving behaviour share a common sea-ice concentration optimum in Adelie penguins (Pygoscelis adeliae).GLOBAL CHANGE BIOLOGY,24(11),5304-5317. |
MLA | Le Guen, Camille,et al."Reproductive performance and diving behaviour share a common sea-ice concentration optimum in Adelie penguins (Pygoscelis adeliae)".GLOBAL CHANGE BIOLOGY 24.11(2018):5304-5317. |
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