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The Rate of Liberation of Phosphate in Sea Water by the Breakdown of Plankton Organisms

  • L. H. N. Cooper (a1)

Extract

Samples of animal and plant plankton were added to sea water in glass vessels and the subsequent changes in the phosphate content of the water were followed.

The breakdown of the zooplankton was very rapid and more phosphate was set free than had originally been added as plankton. The balance was produced from dissolved organic phosphorus compounds in the water. The breakdown of phytoplankton showed a short time lag and only a part of the phosphorus added was set free as phosphate.

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References

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Atkins, W. R. G., and Wilson, E. G. 1927. The Phosphorus and Arsenic Compounds of Sea Water. Journ. Mar. Biol. Assoc., N.S., Vol. XIV, pp. 609614.
Cooper, L. H. N. 1934. The Determination of Phosphorus and Nitrogen in Plankton. Journ. Mar. Biol. Assoc., N.S., Vol. XIX pp. 755759.
Kalle, K. 1933. Phosphat und Gesamtphosphor in Beziehung zu Temperatur, Salzgehalt und Plankton an der Oberfläche der isländischen Küstengewässer. Ber. deutsch. Wiss. Komm. Meeresforschung, N.F., Vol. 6, pp. 273299.
Kreps, E. 1934. Organic Catalysts or Enzymes in Sea Water. James Johnstone Memorial Volume. Liverpool, pp. 193202.
Matthews, D. J. 1917. On the Amount of Phosphoric Acid in the Sea Water off Plymouth Sound. II. Journ. Mar. Biol. Assoc., N.S., Vol. XI, pp. 251257.
Rakestraw, N. W., and Lutz, F. B. 1933. Arsenic in Sea Water. Biol. Bull., Vol. 65, pp. 397401.

The Rate of Liberation of Phosphate in Sea Water by the Breakdown of Plankton Organisms

  • L. H. N. Cooper (a1)

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