The distribution patterns of bacteria, ATP and the relations with respiration rates and phytoplankton in the Changjiang Estuary and its adjacent East China Sea

Shi Junxian; C. Courties; Chen Zhongyuan; M. N. Hermin; Ning Xiuren

doi:10.1007/BF02843828

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The distribution patterns of bacteria, ATP and the relations with respiration rates and phytoplankton in the Changjiang Estuary and its adjacent East China Sea

Updated：2023-05-16

- The distribution patterns of bacteria, ATP and the relations with respiration rates and phytoplankton in the Changjiang Estuary and its adjacent East China Sea
- Journal of Oceanology and Limnology Vol. 10, Issue 3, Pages: 278-289(1992)
- Affiliations：
  
  1. Second Institute of Oceanography
  2. Station Biologique CNRS
  3. Microbiologie Marine CNRS ER,223
- Author bio：
- Funds：
- DOI：10.1007/BF02843828
  CLC：
- Published：1992
- Accepted：
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Junxian, S., Courties, C., Zhongyuan, C. et al. The distribution patterns of bacteria, ATP and the relations with respiration rates and phytoplankton in the Changjiang Estuary and its adjacent East China Sea., Chin. J. Ocean. Limnol. 10, 278–289 (1992). https://doi.org/10.1007/BF02843828
DOI：

Junxian, S., Courties, C., Zhongyuan, C. et al. The distribution patterns of bacteria, ATP and the relations with respiration rates and phytoplankton in the Changjiang Estuary and its adjacent East China Sea., Chin. J. Ocean. Limnol. 10, 278–289 (1992). https://doi.org/10.1007/BF02843828 DOI：

摘要

Abstract

Two cruises were conducted in January and July 1986 in the Changjiang (Yangtse River) Estuary and its adjacent East China Sea (30°45′−32°00′ N

121°00′−124°00′ E). Direct epifluorescence counts of planktonic bacteria and determinations of ATP concentrations were made. Subsamples were taken for measurement of oxygen consumption rates and chlorophyll concentrations. Bacteria and ATP concentrations were higher in summer than in winter

highest in the river and the river mouth

and gradually lower offshore. The bacteria number was correlated positively with suspended matter

nitrates and oxygen consumption rates

and negatively with salinity. In winter bacteria were the main contributors of ATP and the main consumers of dissolved oxygen in the whole studied area. In summer two maxima of ATP were found along the salinity gradient. The first one which coincided with the peak of turbidity near the river mouth was attributed to bacteria

and the second which occurred in the waters with a salinity range between 25 and 30 was attributed to phytoplankton. Similar feature was observed for oxygen consumption.

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references

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