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Bio-assay of nitrogen available to two species of phytoplankton in an off-shore water

Published online by Cambridge University Press:  11 May 2009

H. W. Harvey
H. W. Harvey
Affiliation:
The Plymouth Laboratory
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Extract

A bio-assay of the nitrogen which was available to two phytoplankton species with their associated bacteria in an off-shore water is described.

The concentrations found by assay (11·5 and 13μg N/1.) were similar to the concentration of total inorganic nitrogen compounds found by analysis (10μg N/1.).

Of the organic nitrogen normally present in solution in sea water, an insignificant quantity appears to be available to the plant-bacteria community.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 36 , Issue 1 , February 1957 , pp. 157 - 160
Copyright
Copyright © Marine Biological Association of the United Kingdom 1957

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References

Krogh, A., 1934. Conditions of life at great depths in the ocean. Ecol. Monogr., Vol. 4, PP. 430–39.Google Scholar
Riley, J. P. and Sinhaseni, P., 1957. The determination of ammonia and total ionic inorganic nitrogen in sea water. J. mar. biol. Ass. U.K., Vol. 36, pp. 161–68.CrossRefGoogle Scholar