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This study describes the relationships between dinitrogen (N2) fixation, dihydrogen (H2) production, and electron transport associated with photosynthesis and respiration in the marine cyanobacterium Trichodesmium erythraeum Ehrenb. strain IMS101. The ratio of H2 produced:N2 fixed (H2:N2) was controlled by the light intensity and by the light spectral composition and was affected by the growth irradiance...
The present study investigated the roles of nitrogen (N) in modulating phytoplankton growth in the South China Sea (SCS), an oligotrophic marginal sea in the western Pacific Ocean, by examining (1) the in situ nitrate and nitrite concentrations [NO 3 +NO 2 ]; (2) the [NO 3 +NO 2 ]/[solublereactivephosphorus(SRP)] in the euphotic layer; (3) phytoplankton growth in response...
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