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Production and fate of copepod fecal pellets across the Southern Indian Ocean

机译：整个印度洋南部of足类粪便颗粒的生产和命运

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摘要

The vertical distribution of copepods, fecal pellets and the fecal pellet production of copepods were measured at seven stations across the Southern Indian Ocean from productive areas off South Africa to oligo-trophic waters off Northern Australia during October/ November 2006. We quantified export of copepod fecal pellet from surface waters and how much was retained. Furthermore, the potential impact of Oncaea spp. and harpacticoid copepods on fecal pellets degradation was evaluated and found to be regional substantial. The highest copepod abundance and fecal pellet production was found in the western nutrient-rich stations close to South Africa and the lowest at the central oligotrophic stations. The in situ copepod fecal pellet production varied between 1 and 1,000 靏 C m~(-3) day~(-1). At all stations, the retention of fecal pellets in the upper 400 m of the water column was more than 99% and the vertical export of fecal pellets was low (<0.02 mg m~2 day~(-1)).
机译：2006足类，粪便颗粒的垂直分布和co足类的粪便颗粒产量是在2006年10月/ 11月从印度洋南部的生产区到澳大利亚北部的贫营养水域的七个印度洋站进行测量的。我们对co足类的出口进行了量化地表水中的粪便沉淀物，并保留了多少。此外，Oncaea spp的潜在影响。评估了类类拟co足类动物对粪便颗粒降解的影响，发现该区域具有实质性意义。 pe足类的丰度和粪便颗粒产量最高，位于靠近南非的西部营养丰富的站，最低的是中营养站。 co足类粪便颗粒的原位生产在1至1,000靏C m〜（-3）天〜（-1）之间变化。在所有站点，粪便颗粒在水柱上方400 m处的保留率均超过99％，粪便颗粒的垂直出口量较低（<0.02 mg m〜2 day〜（-1））。

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  • 来源
    《Marine biology》 |2011年第3期|p.677-688|共12页
  • 作者

    Eva Friis Moller; Christian Marc Andersen Borg; Sigrun H. Jonasdottir; Suree Satapoomin; Cornelia Jaspers; Torkel Gissel Nielsen;

  • 作者单位

    National Environmental Research Institute,Department of Marine Ecology, University of Aarhus,Frederiksborgvej 399, PO Box 358, 4000 Roskilde, Denmark;

    Department of Systems Ecology,Stockholm University, 106 91 Stockholm, Sweden;

    National Institute of Aquatic Resources, DTU Aqua,Section for Ocean Ecology and Climate,Technical University of Denmark (DTU),Kavalergarden 6, 2920 Charlottenlund, Denmark;

    Phuket Marine Biological Center,P.O. Box 60, Phuket 83000, Thailand;

    National Institute of Aquatic Resources, DTU Aqua,Section for Ocean Ecology and Climate,Technical University of Denmark (DTU),Kavalergarden 6, 2920 Charlottenlund, Denmark;

    National Institute of Aquatic Resources, DTU Aqua,Section for Ocean Ecology and Climate,Technical University of Denmark (DTU),Kavalergarden 6, 2920 Charlottenlund, Denmark;

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