Abstract
The characteristics of phosphorus excretions of zooplankton collected in spring 1974 from Stonehouse Pond, New Hampshire were studied with gel filtration, ultraviolet spectroscopy and seston incorporation. The soluble phosphorus component released from a natural population has a molecular weight the same as orthophosphate and behaves similar to orthophosphate in seston incorporation studies. Approximately 15 percent of the total phosphorus released was organic, but could not be identified by ultraviolet spectroscopy. No evidence of nucleic acid excretion or any hydrolytic degradation product was detected in the ultraviolet spectrum.
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The experimental work was based on a thesis submitted to the Graduate School of the University of New Hampshire in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
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Ferrante, J.G. The characterization of phosphorus excretion products of a natural population of limnetic zooplankton. Hydrobiologia 50, 11–15 (1976). https://doi.org/10.1007/BF00016836
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DOI: https://doi.org/10.1007/BF00016836