Letter | Published:

Observations on the Entrapment of Organic Matter within the Particle Structure of Calcareous Sediments

Naturevolume 207pages627628 (1965) | Download Citation



IN the course of experiments on the metabolism of intact sediment communities we had to determine the concentration of ninhydrin-positive substances associated with the sediments. In addition, data on the uptake of free amino-acids from solution by these sediments was needed.

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  1. University of California, San Diego, Institute of Marine Resources, P.O. Box 109, La Jolla, California

    • R. D. HAMILTON
  2. University of Miami, Institute of Marine Science, Miami, Florida



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