Nutrient pulses driven by internal solitary waves enhance heterotrophic bacterial growth in the South China Sea

Tzong Yueh Chen, Jen Hua Tai, Chia Ying Ko, Chih Hao Hsieh, Chung Chi Chen, Nianzhi Jiao, Hong Bin Liu, Fuh Kwo Shiah

研究成果: 雜誌貢獻文章

6 引文 (Scopus)

摘要

This study demonstrated the potential effects of internal waves (IWs) on heterotrophic bacterial activities for the first time. Nine anchored studies were conducted from 2009–2012 in the South China Sea areas with different physical conditions, i.e. areas subjected to elevation IWs, to depression IWs, and to weak/no IWs. The latter two areas were treated as the Control sites. Field survey results indicated that within the euphotic zone, the minima of the depth-averaged bacterial production (IBP; ∼1.0 mgC m−3 d−1) and growth rate (IBμ; ∼0.1 d−1) at all sites were similar. Except for one case, the maxima of IBP (6–12 mgC m−3 d−1) and IBμ (0.55–1.13 d−1) of the elevation IWs areas were ∼fivefolds higher than those of the Control sites (IBP 1.7–2.1 mgC m−3 d−1; IBμ 0.13–0.24 d−1). Replicate surveys conducted at the north-western area of the Dongsha atoll during spring-to-neap (NW1 survey) and neap-to-spring (NW2 survey) tide periods showed a great contrast to each other. Low variation and averages of IBμ in NW1 survey were similar to those of the Control sites, while those in NW2 were similar to the other elevation IWs sites with larger variation and higher averages of IBμ. This finding suggests that bacterial activities may be a function of the lunar fortnightly (14-day) cycle. Enrichment experiments suggested more directly that the limiting inorganic nutrients introduced by the elevation waves (EIWs) may contribute a higher IBμ within the euphotic zone.

原文英語
頁(從 - 到)4312-4323
頁數12
期刊Environmental Microbiology
18
發行號12
DOIs
出版狀態已發佈 - 2016 十二月 1

指紋

Heterotrophic Processes
solitary wave
South China Sea
internal wave
Oceans and Seas
microbial growth
China
Food
nutrient
nutrients
euphotic zone
microbial activity
atoll
tides
field survey
Surveys and Questionnaires
sea
tide
Growth
O,O-diisopropyl-S-benzylthiophosphate

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

引用此文

Nutrient pulses driven by internal solitary waves enhance heterotrophic bacterial growth in the South China Sea. / Chen, Tzong Yueh; Tai, Jen Hua; Ko, Chia Ying; Hsieh, Chih Hao; Chen, Chung Chi; Jiao, Nianzhi; Liu, Hong Bin; Shiah, Fuh Kwo.

於: Environmental Microbiology, 卷 18, 編號 12, 01.12.2016, p. 4312-4323.

研究成果: 雜誌貢獻文章

Chen, Tzong Yueh ; Tai, Jen Hua ; Ko, Chia Ying ; Hsieh, Chih Hao ; Chen, Chung Chi ; Jiao, Nianzhi ; Liu, Hong Bin ; Shiah, Fuh Kwo. / Nutrient pulses driven by internal solitary waves enhance heterotrophic bacterial growth in the South China Sea. 於: Environmental Microbiology. 2016 ; 卷 18, 編號 12. 頁 4312-4323.
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abstract = "This study demonstrated the potential effects of internal waves (IWs) on heterotrophic bacterial activities for the first time. Nine anchored studies were conducted from 2009–2012 in the South China Sea areas with different physical conditions, i.e. areas subjected to elevation IWs, to depression IWs, and to weak/no IWs. The latter two areas were treated as the Control sites. Field survey results indicated that within the euphotic zone, the minima of the depth-averaged bacterial production (IBP; ∼1.0 mgC m−3 d−1) and growth rate (IBμ; ∼0.1 d−1) at all sites were similar. Except for one case, the maxima of IBP (6–12 mgC m−3 d−1) and IBμ (0.55–1.13 d−1) of the elevation IWs areas were ∼fivefolds higher than those of the Control sites (IBP 1.7–2.1 mgC m−3 d−1; IBμ 0.13–0.24 d−1). Replicate surveys conducted at the north-western area of the Dongsha atoll during spring-to-neap (NW1 survey) and neap-to-spring (NW2 survey) tide periods showed a great contrast to each other. Low variation and averages of IBμ in NW1 survey were similar to those of the Control sites, while those in NW2 were similar to the other elevation IWs sites with larger variation and higher averages of IBμ. This finding suggests that bacterial activities may be a function of the lunar fortnightly (14-day) cycle. Enrichment experiments suggested more directly that the limiting inorganic nutrients introduced by the elevation waves (EIWs) may contribute a higher IBμ within the euphotic zone.",
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AU - Chen, Tzong Yueh

AU - Tai, Jen Hua

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AU - Hsieh, Chih Hao

AU - Chen, Chung Chi

AU - Jiao, Nianzhi

AU - Liu, Hong Bin

AU - Shiah, Fuh Kwo

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N2 - This study demonstrated the potential effects of internal waves (IWs) on heterotrophic bacterial activities for the first time. Nine anchored studies were conducted from 2009–2012 in the South China Sea areas with different physical conditions, i.e. areas subjected to elevation IWs, to depression IWs, and to weak/no IWs. The latter two areas were treated as the Control sites. Field survey results indicated that within the euphotic zone, the minima of the depth-averaged bacterial production (IBP; ∼1.0 mgC m−3 d−1) and growth rate (IBμ; ∼0.1 d−1) at all sites were similar. Except for one case, the maxima of IBP (6–12 mgC m−3 d−1) and IBμ (0.55–1.13 d−1) of the elevation IWs areas were ∼fivefolds higher than those of the Control sites (IBP 1.7–2.1 mgC m−3 d−1; IBμ 0.13–0.24 d−1). Replicate surveys conducted at the north-western area of the Dongsha atoll during spring-to-neap (NW1 survey) and neap-to-spring (NW2 survey) tide periods showed a great contrast to each other. Low variation and averages of IBμ in NW1 survey were similar to those of the Control sites, while those in NW2 were similar to the other elevation IWs sites with larger variation and higher averages of IBμ. This finding suggests that bacterial activities may be a function of the lunar fortnightly (14-day) cycle. Enrichment experiments suggested more directly that the limiting inorganic nutrients introduced by the elevation waves (EIWs) may contribute a higher IBμ within the euphotic zone.

AB - This study demonstrated the potential effects of internal waves (IWs) on heterotrophic bacterial activities for the first time. Nine anchored studies were conducted from 2009–2012 in the South China Sea areas with different physical conditions, i.e. areas subjected to elevation IWs, to depression IWs, and to weak/no IWs. The latter two areas were treated as the Control sites. Field survey results indicated that within the euphotic zone, the minima of the depth-averaged bacterial production (IBP; ∼1.0 mgC m−3 d−1) and growth rate (IBμ; ∼0.1 d−1) at all sites were similar. Except for one case, the maxima of IBP (6–12 mgC m−3 d−1) and IBμ (0.55–1.13 d−1) of the elevation IWs areas were ∼fivefolds higher than those of the Control sites (IBP 1.7–2.1 mgC m−3 d−1; IBμ 0.13–0.24 d−1). Replicate surveys conducted at the north-western area of the Dongsha atoll during spring-to-neap (NW1 survey) and neap-to-spring (NW2 survey) tide periods showed a great contrast to each other. Low variation and averages of IBμ in NW1 survey were similar to those of the Control sites, while those in NW2 were similar to the other elevation IWs sites with larger variation and higher averages of IBμ. This finding suggests that bacterial activities may be a function of the lunar fortnightly (14-day) cycle. Enrichment experiments suggested more directly that the limiting inorganic nutrients introduced by the elevation waves (EIWs) may contribute a higher IBμ within the euphotic zone.

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