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首页> 外文期刊>Oceanography >Supply-Side Ecology and the Response of Zooplankton to Climate-Driven Changes in North Atlantic Ocean Circulation
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Supply-Side Ecology and the Response of Zooplankton to Climate-Driven Changes in North Atlantic Ocean Circulation

机译：供方生态学和浮游动物对北大西洋环流气候驱动变化的响应

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摘要

Recent findings from oceanographic field studies conducted on both sides of the North Atlantic have dramatically altered our view of how zooplankton populations respond to climate-driven changes in ocean circulation. Shelf populations of the copepod species Calanus finmarchicus dominate springtime secondary production in many shelf ecosystems throughout the North Atlantic. Despite their seasonal dominance, these shelf populations must be supplied by advection from oceanic sources or else they would be driven to local extinction. It now appears that the supply of external recruits is not only important to the long-term persistence of these shelf populations, but also central to their dynamics on seasonal to interdecadal time scales. Here, we present a synthesis of findings from the U.S. Global Ocean Ecosystem Dynamics (GLOBEC) Northwest Atlantic Field Study. This synthesis reveals that climate-driven changes in the circulation of the Northwest Atlantic can account for a large amount of the variability in C. finmarchicus abundance observed in the Gulf of Maine/Georges Bank region during recent years and over the past half century.
机译：在北大西洋两岸进行的海洋学实地研究的最新发现，极大地改变了我们对浮游动物种群如何响应气候驱动的海洋环流变化的看法。 pe足类物种Calanus finmarchicus的货架种群在整个北大西洋的许多陆架生态系统中主导春季次生生产。尽管它们在季节性上占主导地位，但这些架子种群必须通过平流从海洋资源中获得，否则它们将被迫灭绝。现在看来，外部新兵的供应不仅对于这些架子人口的长期生存很重要，而且对于他们从季节到年代际时间尺度的动态至关重要。在这里，我们提供了来自美国全球海洋生态系统动力学（GLOBEC）西北大西洋现场研究的发现的综合报告。该综合表明，由气候驱动的西北大西洋环流变化可以解释近年来和过去半个世纪在缅因州海湾/乔治银行地区观察到的finmarchicus丰度的大量变化。

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