الفهرس | Only 14 pages are availabe for public view |
Abstract Water pollution caused changes in the drinking water, rivers, lakes and oceans all over the world.Consequently,this harms human health and the aquatic environment. In Egypt, there are many sources of pollution such as industrial, agricultural, sewage and drainage sources which discharge their water in the River Nile and cause alterations in the biochemical and histological characteristic of aquatic organisms. |