Bacterioplankton production in the Zhujiang River Estuary and the adjacent northern South China Sea

LIU Cheng-gang; NING Xiu-ren; CAI Yu-ming; HAO Qiang; LE Feng-feng

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LIU Cheng-gang, NING Xiu-ren, CAI Yu-ming, HAO Qiang, LE Feng-feng. Bacterioplankton production in the Zhujiang River Estuary and the adjacent northern South China Sea[J]. Haiyang Xuebao, 2007, 29(2): 112-122.

Citation:

LIU Cheng-gang, NING Xiu-ren, CAI Yu-ming, HAO Qiang, LE Feng-feng. Bacterioplankton production in the Zhujiang River Estuary and the adjacent northern South China Sea[J]. Haiyang Xuebao, 2007, 29(2): 112-122.

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Bacterioplankton production in the Zhujiang River Estuary and the adjacent northern South China Sea

1.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012 China;Key Laboratory of Marine Ecosystem and Biogeochemistry, State Oceanic Administration, Hangzhou 310012 China
2.
Key Laboratory of Marine Ecosystem and Biogeochemistry, State Oceanic Administration, Hangzhou 310012 China

Received Date: 2005-07-04
Rev Recd Date: 2006-09-07

Abstract

Abstract

Abundance,biomass and production of bact erioplankt on,primary production,new production,and the related environmental parameters were measured in the Zhujiang River Estuary and the adjacent northern South China Sea in winter and summer of 2004.The results showed that the substrate supply,including dissolved organic mater from phytoplankt on and river input and inorg anic nutrients,mightbe the most important factor governing the spatial patterns of the standing stock and production of bact erioplankton.As the results,biomass and production of bact erioplankt on gradually decreased from the estuary to the shelf and open sea along the salinity gradient.IBP:IPP ratios,r anged 4%~96%,were negatively correlated with IPP,while the spatial patterns of IBP:IPP ratios were opposite to that of new produc-tion f-ratio.Furthermore,the spatial difference of the importance of bacterio plankt on in the euphotic zone material cycle was also discussed.
- bacterioplankton,
- bacterial production,
- bacterial biomass,
- northern South China Sea,
- Zhujiang River Estuary,

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References(37)

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