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首页> 外文期刊>ICES Journal of Marine Science >Comparative ecology of over-wintering Calanus finmarchicus in the northern North Atlantic, and implications for life-cycle patterns
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Comparative ecology of over-wintering Calanus finmarchicus in the northern North Atlantic, and implications for life-cycle patterns

机译：北大西洋北部越冬的finmarchicus的比较生态学及其对生命周期模式的影响

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摘要

Data from plankton net and Optical Plankton Counter sampling during 12 winter cruises between 1994 and 2002 have been used to derive a multi-annual composite 3-D distribution of the abundance of over-wintering Calanus finmarchicus in a swath across the North Atlantic from Labrador to Norway. Dense concentrations occurred in the Labrador Sea, northern Irminger Basin, northern Iceland Basin, eastern Norwegian Sea, Faroe-Shetland Channel, and in the Norwegian Trench of the North Sea. A model of buoyancy regulation in C. finmarchicus was used to derive the lipid content implied by the in situ temperature and salinity at over-wintering depths, assuming neutral buoyancy. The Faroe-Shetland Channel and eastern Norwegian Sea emerged as having the highest water column-integrated abundances of copepodites, the lowest over-wintering temperature, and the highest implied lipid content. The results are discussed in the context of spatial persistence of populations, seasonal patterns of abundance, and relationships between over-wintering and lipid accumulation in the surface waters.
机译：在1994年至2002年的12次冬季航行中，来自浮游生物网和光学浮游生物计数器采样的数据已用于得出北大西洋从拉布拉多到拉脱维亚的一带的冬季越冬的大量Calanus finmarchicus的多年复合3D分布。挪威。在拉布拉多海，北部的艾明格盆地，北部的冰岛盆地，东部的挪威海，法罗-设得兰群岛海峡以及北海的挪威海沟中发生了密集的浓缩。假设中性浮力，则使用finmarchicus浮力调节模型来推导越冬深度下原位温度和盐度所隐含的脂质含量。法罗-设得兰群岛海峡和挪威东部海出现，具有最高的水柱整合的拟足动物丰度，最低的越冬温度和最高的隐含脂质含量。将在人口的空间持久性，丰富度的季节性模式以及地表水中越冬与脂质积累之间的关系的背景下讨论结果。

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