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BOX 1. ESTIMATING RATES OF MICROZOOPLANKTON GRAZING

机译:方框1.估算微浮游植物的放牧率

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摘要

Grazing plays a major role in determining the fate of materials delivered to coastal regions by riverine plumes. Classical food webs emphasize photosynthetic production by net phytoplank-ton, grazing by mesozooplankton (200-500 μm), and predation by larger zooplankton and fish. Improved estimates of abundances and turnover rates for smaller organisms indicate that, on average, up to half of all oceanic primary production channels through bacteria (Azam, 1998) and significant amounts of production are consumed by a diverse array of zooplanktonic grazers smaller than 200 urn (microzooplankton; Calbet and Landry, 2004). New insights into the pathways and rates comprising these trophic interactions arise continually, and an understanding of their full improtance awaits further research.
机译:放牧在决定河流羽流向沿海地区运送材料的命运方面起着重要作用。古典食物网强调净浮游植物光合作用,中游浮游动物(200-500μm)的放牧以及大型浮游动物和鱼类的捕食。对小型生物的丰度和周转率的估计值的改进表明,平均而言,所有通过细菌的海洋初级生产渠道中,多达一半(Azam,1998)和大量生产被各种小于200微米的浮游动物放牧者消耗。 (microzooplankton; Calbet和Landry,2004年)。对构成这些营养相互作用的途径和速率的新见解不断地出现,并且对它们的完全重要性的理解有待进一步研究。

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  • 来源
    《Oceanography》 |2008年第4期|79-79|共1页
  • 作者单位

    Department of Fisheries and Aquatic Sciences, University of Florida, Gainesville, FL, USA;

    Department of Fisheries and Aquatic Sciences, University of Florida, Gainesville, FL, USA;

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