Nitrogenase activity in marine sediments from a temperate saltmarsh lagoon: modulation by complex polysaccharides, ammonium and oxygen

B.J. Tibbles1, M.I. Lucas1, V.E. Coyne2, S.T. Newton1
1Marine Biology Research Institute, Department of Zoology, University of Cape Town, Private Bag Rondebosch, 7700 South Africa
2Department of Microbiology, University of Cape Town, Private Bag Rondebosch 7700, South Africa

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