Abstract

Sediments from five fresh-water lakes of the English Lake District were analyzed for total sulfur and carbon. The elements are closely correlated, but the C/S ratio is lower in reducing environments and in fertile lakes than in oxidizing environments and infertile lakes. In lakes showing seasonal changes in redox potential and fertility, the C/S ratio in sediments reflects the changes, attaining a maximum just after the phase of most rapid increase in organic content.

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