How Have Human Activities, some of which may be Conflicting,

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…The River Nile also annually carries about 150 million metric tons of sediment. All is now deposited in Lake Nasser rather than on the lower flood plain or delta. There has been no flow of Nile water to the Mediterranean Sea since 1964. Previously the Nile discharge had an eastward drift which provided a freshwater barrier across the mouth of the Suez Canal. In the absence of this barrier, many red Sea species have invaded the Mediterranean