Environmental Science
7 years ago

Phosphorus levels in Egyptian sediments pose no threat to marine life.

International Journal of Sediment Research
Evaluation of phosphorus bioavailability in El Mex Bay and Lake Mariut sediments
Naglaa F. Soliman, Gehan M. El Zokm, Mohamed A. Okbah

Paper Summary

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Phosphorus levels in El Mex Bay and Lake Mariut sediments in Egypt were studied to see how much of it is available to marine organisms. Different methods were used to extract phosphorus fractions from the sediments. The largest fraction of phosphorus in El Mex Bay was Olsen-P, while in Lake Mariut it was AAP. The total phosphorus content was not high enough to harm marine life. There was no strong relationship between total phosphorus and iron, aluminum, or calcium in the sediments. The amount of organic matter in the sediment was a good predictor of total phosphorus content. This study provides a baseline for future research on phosphorus in these sediments.