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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41224

Title: Estimates of bacterioplankton and Synechococcus spp. mortality from nanoflagellate grazing and viral lysis in the subtropical Danshui River estuary
Authors: Chien Fu Chao
An-Yi Tsai
Gwo-Ching Gong
Yu Wen Huang
Contributors: 國立臺灣海洋大學:海洋環境化學與生態研究所
Keywords: viral lysis
modified dilution technique
nanoflagellates
Synechococcus spp.
bacteria
Date: 2015-02
Issue Date: 2017-02-10T03:48:47Z
Publisher: Estuarine, Coastal and Shelf Science
Abstract: Abstract: 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.
Relation: 153
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41224
Appears in Collections:[海洋環境與生態研究所] 期刊論文

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