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The southern New Valley consists of three main oases, Farafra, Dakhla and Kharga Oases in the Western Desert, Egypt. Sediment samples collected, from land (24) and in ponds (23), from the three oases were used to evaluate the potential ecological risk and spatial distribution of Zn, Cu, Pb and Cd, also to verify whether the sources of pollution were by human activities or an accumulation of different...