Phosphorus Enrichment, Silica Utilization, and Biogeochemical Silica Depletion in the Great Lakes

@inproceedings{Schelske1986PhosphorusES,
  title={Phosphorus Enrichment, Silica Utilization, and Biogeochemical Silica Depletion in the Great Lakes},
  author={Claire L. Schelske and Eugene F. Stoermer and Gary L. Fahnenstiel and Mark Haibach},
  year={1986}
}
Our hypothesis that silica (Si) depletion in Lake Michigan and the severe Si depletion that characterizes the lower Great Lakes were induced by increased phosphorus (P) inputs was supported by bioassay experiments showing increased Si uptake by diatoms with relatively small P enrichments. We propose that severe Si depletion (Si concentrations being reduced to ≤0.39 mg SiO2∙L−1 prior to thermal stratification) results when P levels are increased to the extent that increased diatom production… CONTINUE READING

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