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Relation of Bacteria to Diatoms In Sea Water

Published online by Cambridge University Press:  11 May 2009

Selman A. Waksman
Affiliation:
Woods Hole Oceanographic Institution
Margaret R. Butler
Affiliation:
Woods Hole Oceanographic Institution

Extract

1. Dead marine diatom plankton was found to undergo rapid oxidation and decomposition when added to fresh sea water. This was measured by oxygen consumption, nitrogen liberation, phosphate regeneration and bacterial multiplication.

2. Living diatoms added to sea water and placed in the dark continued to absorb oxygen; they were rather resistant to bacterial attack.

3. Diatom-rich marine plankton also absorbed oxygen, while the phosphorus was gradually regenerated. The bacteria did not increase in numbers in correspondence with the oxidation of the fresh diatom material.

4. When sea water in which photosynthesis was allowed to proceed for varying periods of time was placed in the dark, rapid oxidation of the freshly synthesized material took place, as indicated by oxygen consumption and phosphate liberation. Although there was a greater number of bacteria in the water in which photosynthesis took place, the oxidation of the fresh diatom material was not accompanied by any large increase in bacteria; in fact a decrease in numbers was frequently observed.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1937

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References

Cooper, L. H. N., 1935. The rate of liberation of phosphate in sea water by the breakdown of plankton organisms. Journ. Mar. Biol. Assoc., Vol. XX, pp. 197202.CrossRefGoogle Scholar
Fuller, J. L. & Clarke, G. L., 1936. Further experiments on the feeding of Calanus finmarchicus. Biol. Bull., Vol. 70, pp. 308–20.CrossRefGoogle Scholar
Gran, H. H., 1933. Studies on the biology andchemistry of the Gulf of Maine. II. Biol. Bull., Vol. 64, pp. 159–82.CrossRefGoogle Scholar
Lackey, J. B., 1936. Occurrence and distribution of the marine protozoan species in the Woods Hole area. Biol. Bull, Vol. 70, pp.264–78.CrossRefGoogle Scholar
Renn, C. E., 1937. Bacteria and the phosphorus cycle in the sea Biol. Bull., Vol. 72, pp. 190–5.CrossRefGoogle Scholar
Waksman, S. A. & Carey, C. L., 1935. Decomposition of organic matter in sea water by bacteria. II. Influence of addition of organic substances upon bacterial activities. Journ. Bacter., Vol. 29, pp. 545–61.CrossRefGoogle ScholarPubMed
Waksman, S. A., Carey, C. L. & Reuszer, H. W., 1933. Marine bacteria and their role in the cycle of life in the sea. I. Decomposition of marine plant and animal residues by bacteria. Biol. Bull., Vol. 65, pp. 5779.CrossRefGoogle Scholar
Waksman, S. A. & Hotchkiss, M., 1937. Viability of bacteria in sea water. Journ. Bacter., Vol. 33, pp. 389400.CrossRefGoogle ScholarPubMed
Waksman, S. A. & Renn, C. E., 1936. Decomposition of organic matter in sea water by bacteria. III. Factors influencing the rate of decomposition. Biol. Bull., Vol. 70, pp. 472–83.CrossRefGoogle Scholar