| Ning Xiuren,C. Courties,Shi Junxian,G. Cauwet. 1992. Relationships between chlorophyll a, bacteria, ATP, POC and respiration rates in the Changjiang Estuary and the plume. Acta Oceanologica Sinica, (3):425－434 |
| Relationships between chlorophyll a, bacteria, ATP, POC and respiration rates in the Changjiang Estuary and the plume |
| Relationships between chlorophyll a, bacteria, ATP, POC and respiration rates in the Changjiang Estuary and the plume |
| Received:January 11, 1991 Revised:December 04, 1991 |
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| Author Name | Affiliation | | Ning Xiuren | Second Institute of Oceanography, State Oceanic Administration, P. O. Box 1207, Hangzhou 310012, China | | C. Courties | CNRS, Station Biologique de Roscoff, 29211 Roscoff, France | | Shi Junxian | Second Institute of Oceanography, State Oceanic Administration, P. O. Box 1207, Hangzhou 310012, China | | G. Cauwet | CNRS, Universite de Perpignan, Laboratoire de Sedimentologic et Geochimie Marines, 66025 Perpignan, France |
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| Abstract: |
| Bacteria abundance, chlorophyll a, ATP and POC concentrations and respiration rates of microorganisms in the Changjiang Estuary and the plume were determined in July 1986. The high values of bacteria abundance occurred in the river mouth in association with suspended matter. It is assumed that bacteria were the major contributor to ATP and the main consumer of dissolved oxygen, and that the relationship between ATP and POC was present in that area. In the dilution zone (salinity; 25-30), instead of bacteria, phytoplankton was the major contributor to ATP and respiration rates, due to diatom bloom. Close relationships between Chi a and ATP, and ATP and POC were observed. Contribution of microbial carbon to POC was also estimated. |
| 中文摘要: |
| Bacteria abundance, chlorophyll a, ATP and POC concentrations and respiration rates of microorganisms in the Changjiang Estuary and the plume were determined in July 1986. The high values of bacteria abundance occurred in the river mouth in association with suspended matter. It is assumed that bacteria were the major contributor to ATP and the main consumer of dissolved oxygen, and that the relationship between ATP and POC was present in that area. In the dilution zone (salinity; 25-30), instead of bacteria, phytoplankton was the major contributor to ATP and respiration rates, due to diatom bloom. Close relationships between Chi a and ATP, and ATP and POC were observed. Contribution of microbial carbon to POC was also estimated. |
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