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首页> 外文期刊>ICES Journal of Marine Science >Long-term hydrological and phytoplankton monitoring (1992-2007) of three potentially eutrophic systems in the eastern English Channel and the Southern Bight of the North Sea
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Long-term hydrological and phytoplankton monitoring (1992-2007) of three potentially eutrophic systems in the eastern English Channel and the Southern Bight of the North Sea

机译：长期的水文和浮游植物监测（1992-2007年），位于英吉利海峡东部和北海南部海岸线的三个潜在富营养化系统

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摘要

The spatial and main temporal variations in nutrient concentrations and phytoplankton abundance were investigated between 1992 and 2007 in the eastern English Channel and the Southern Bight of the North Sea, zones of consistent presence of Phaeocystis globosa and diatom blooms. Silicate and phosphate were the main nutrients potentially limiting phytoplankton growth, but the dynamics of the limitation seemingly differ between sites. Phosphate concentration showed a clear monotonic decreasing trend, whereas dissolved inorganic nitrogen and silicate trends were more complex. Nitrate was rarely or never a limiting factor. Results highlight three main periods with a Phaeocystis- or diatom-dominated system in the 1990s, and a more complex pattern in the 2000s. The composition of the phytoplanktonic community is described and an attempt made to establish a link between the community and its environment in terms of variability, shifts, and trends. The effects of larger- vs. regional-scale controlling factors are also discussed.
机译：在1992年至2007年之间，研究了英吉利海峡东部和北海南部海岸线，球藻藻和硅藻开花持续存在的区域中养分浓度和浮游植物丰度的时空变化。硅酸盐和磷酸盐是可能限制浮游植物生长的主要营养素，但限制的动态似乎在两个地点之间有所不同。磷酸盐浓度表现出明显的单调下降趋势，而溶解的无机氮和硅酸盐趋势则更为复杂。硝酸盐很少或从来没有成为限制因素。结果突出显示了1990年代以囊藻或硅藻为主的系统的三个主要时期，以及在2000年代更为复杂的模式。描述了浮游植物群落的组成，并尝试根据变异性，变化和趋势在群落及其环境之间建立联系。还讨论了较大规模的控制因素与区域规模的控制因素的影响。

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  • 来源
    《ICES Journal of Marine Science》 |2011年第10期|p.2029-2043|共15页
  • 作者

    Alain Lefebvre; Natacha Guiselin; Frederique Barbet; Felipe L. Artigas;

  • 作者单位

    Ifremer, Laboratoire Environnement Cotier et Ressources Aquacoles, 750 quai Cambetta, BP 699, Boulogne-sur-Mer 62321, France,Universite Lille Nord de France, Lille 59000, France;

    Ifremer, Laboratoire Environnement Cotier et Ressources Aquacoles, 750 quai Cambetta, BP 699, Boulogne-sur-Mer 62321, France,Universite du Littoral Cote d'Opale, Laboratoire d'Oceanologie et Ceosciences, Maison de la Recherche en Environnement Naturel, 32 Avenue Foch,Wimereux 62930, France,CNRS UMR 8187, Laboratoire d'Oceanologie et Ceosciences, 28 Avenue Foch, Wimereux 62930, France;

    Ifremer, Laboratoire Environnement Cotier et Ressources Aquacoles, 750 quai Cambetta, BP 699, Boulogne-sur-Mer 62321, France,Universite Lille Nord de France, Lille 59000, France;

    Ifremer, Laboratoire Environnement Cotier et Ressources Aquacoles, 750 quai Cambetta, BP 699, Boulogne-sur-Mer 62321, France,Universite du Littoral Cote d'Opale, Laboratoire d'Oceanologie et Ceosciences, Maison de la Recherche en Environnement Naturel, 32 Avenue Foch,Wimereux 62930, France,CNRS UMR 8187, Laboratoire d'Oceanologie et Ceosciences, 28 Avenue Foch, Wimereux 62930, France;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    diatoms; eastern English channel; eutrophication; long-term series; phaeocystis globosa; Southern Bight of the North Sea;

    机译：硅藻东部英语频道富营养化长期系列;球囊菌北海南部湾;

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