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Phosphorus, Nitrogen, Iron and Manganese in Marine Zooplankton

Published online by Cambridge University Press:  11 May 2009

L. H. N. Cooper
L. H. N. Cooper
Affiliation:
Assistant Chemist at the Plymouth Laboratory
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Extract

Analyses of phosphorus, nitrogen, iron and manganese are recorded for Balanus nauplii (a cirripede crustacean), post-larval Callionymus (a teleostean fish), mature Sagitta elegans (a chaetognath), Pleurobrachia (a ctenophore) and for crab zoeas and megalopas (Table I). A sample of Sagitta setosa in 1934 contained much more iron than that in S. elegans here reported. The ctenophore, Pleurobrachta, is relatively poor in phosphorus, nitrogen and iron and its ash-free protoplasm must evidently be rich in either fats or carbohydrates. Neither Pleurobrachia nor Balanus nauplii effect any appreciable concentration of manganese from sea water.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 23 , Issue 2 , May 1939 , pp. 387 - 390
Copyright
Copyright © Marine Biological Association of the United Kingdom 1939

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References

Cooper, L. H. N., 1935a. The determination of phosphorus and nitrogen in plankton. Journ. Mar. Biol. Assoc., Vol. XIX, pp. 755–60.Google Scholar
Cooper, L. H. N., 1935b. Iron in the sea and in marine plankton. Proc. Roy. Soc., B, Vol. 118, pp. 419–38.Google Scholar
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Yoe, J. H., 1928. Photometric chemical analysis. Vol. I. Colorimetry. New York: John Wiley.Google Scholar