首页> 外文期刊>The Royal Society Proceedings B: Biological Sciences >Effects of warm sea-surface temperature anomalies on the blue petrel at the Kerguelen Islands
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Effects of warm sea-surface temperature anomalies on the blue petrel at the Kerguelen Islands

机译:暖海面温度异常对克格伦群岛蓝海燕的影响

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Several long-term studies on Southern Ocean seabirds and seals have suggested a possible link between major declines in breeding performance and El Nino Southern Oscillation events. We report that the breeding performances and body condition of the blue petrel (Halobaena carulea) on the Kerguelen Islands is depressed by episodic, warm sea-surface temperatures (SSTs) in the winter before breeding. Lagged cross-correlations between SSTs in the Kerguelen sector and the Southern Oscillation Index indicate that warm SSTs were found south of the Kerguelen Islands within a year of, and between 4.2 and 5.4 years after an El Nino event took place. These results can be discussed with respect to the recently described Antarctic Circumpolar Wave that drives climatic anomalies eastward around the Southern Ocean. [References: 36]
机译:对南部海洋海鸟和海豹的一些长期研究表明,繁殖性能的大幅下降与厄尔尼诺现象的南方涛动之间可能存在联系。我们报告说,在繁殖之前的冬天,蓝色海燕(Halobaena carulea)在Kerguelen群岛的繁殖表现和身体状况受到突发性,温暖的海面温度(SSTs)的抑制。凯格琳地区的SST与南方涛动指数之间的滞后相互关系表明,在厄尔尼诺事件发生后的一年内和4.2至5.4年之间,在凯格琳群岛以南发现了温暖的SST。关于最近描述的南极绕极波,可以讨论这些结果,南极绕极波向南大洋向东推动气候异常。 [参考:36]

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