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首页> 外文期刊>Estuarine Coastal and Shelf Science >Estimates of bacterioplankton and Synechococcus spp. mortality from nanoflagellate grazing and viral lysis in the subtropical Danshui River estuary
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Estimates of bacterioplankton and Synechococcus spp. mortality from nanoflagellate grazing and viral lysis in the subtropical Danshui River estuary

机译：浮游细菌和Synechococcus spp的估计。亚热带淡水河口纳米鞭毛放牧和病毒裂解的死亡率

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摘要

To better understand picoplankton dynamics in the surface waters of upriver the Danshui River and its estuary, we assessed nanoflagellate-induced and virus-induced mortality of bacteria and Synechococcus spp. during different seasons (October, 2012 and January, April and July, 2013) using a modified dilution technique. Bacteria and viruses were significantly higher in abundance upriver than at the estuary. The distribution of Synechococcus spp. did not follow this spatial pattern. Abundance of Synechococcus spp. was relatively low during the whole sampling period in the upriver region. Furthermore, bacterial mortality resulting from nanoflagellate grazing were generally higher than those resulting from viral lysis in the upriver region, while Synechococcus spp. losses appeared to be mainly due to viral lysis upriver and in the estuary. Our dilution experiments suggested that nanoflagellates largely depend on bacteria as an important energy source there.
机译：为了更好地了解淡水河上游及其河口表层浮游鱼类的动态，我们评估了纳米鞭毛虫和病毒引起的细菌和冰球菌的致死率。在不同的季节（2012年10月以及2013年1月，4月和2013年7月）使用改良的稀释技术。细菌和病毒在河上游的数量明显高于河口。 Synechococcus spp的分布。没有遵循这种空间格局。 Synechococcus spp的丰富。在整个采样期间，上游地区的相对较低。此外，纳米鞭毛放牧引起的细菌死亡率通常高于上游地区病毒裂解引起的细菌死亡率，而Synechococcus spp则较高。损失似乎主要归因于病毒裂解上游和河口。我们的稀释实验表明，纳米鞭毛在很大程度上依赖细菌作为那里的重要能源。

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  • 来源
    《Estuarine Coastal and Shelf Science》 |2015年第5期|54-61|共8页
  • 作者

    An-Yi Tsai; Gwo-Ching Gong; Yu Wen Huang; Chien Fu Chao;

  • 作者单位

    Institute of Marine Environmental and Ecology, National Taiwan Ocean University, Keelung 202-24, Taiwan;

    Institute of Marine Environmental and Ecology, National Taiwan Ocean University, Keelung 202-24, Taiwan,Center of Excellence for the Oceans, National Taiwan Ocean University, Taiwan;

    Institute of Marine Environmental and Ecology, National Taiwan Ocean University, Keelung 202-24, Taiwan;

    Institute of Marine Environmental and Ecology, National Taiwan Ocean University, Keelung 202-24, Taiwan;

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  • 正文语种 eng
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  • 关键词

    modified dilution technique; nanoflagellates; Synechococcus spp.; bacteria; viral lysis;

    机译：改进的稀释技术;纳米鞭毛;球菌属;菌;病毒裂解;

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