What problems did the construction of the aswan high dam create for the people of egypt and their environment?

The Aswan High Dam took 11 years to be built, and was finalized in 1970 across the Nile River to stop the massive devastating floods, it generates electric power, the water stored is shared between Egypt and Sudan and it was crucial during the drought years of Africa, and it has helped the irrigation system for new acres and dessert land. But despite the benefits it has created problems such as:

The annual flood contributed to the fertility of the soil, so when the flood stopped the soil lost its fertility and now the application of artificial fertilizers exceeds 1 million tons a year and it's very expensive. Schistosomiasis, a disease spread by snails that live in the irrigation system. Erosion and shrinkage has been experienced for the lack of silk in the Nile Delta. The number of fish in the Nile has been decreasing because many of them were migratory, and the food and nutrients for the fish that are trapped are less.

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