Environmental studies of seawater along the Egyptian mediterranean beaches between Port-Said and Gamasa

Monthly sea water samples were collected from the beaches of Gamasa. Ras El-Bar [Damietta estuary] and port said during the period from July, 1992 to June, 1993. The environmental parameters, salinity, dissolved oxygen, nitrate, nitrite, ammonia, urea, phosphate and silicate were measured. The results reveal that, generally, port-said region exhibited higher leveles of nutrient salts with respect to those in the other areas mainly due to the outflowing of breackish water enriched with these nutrients from lake manzala. Also damietta branch has little effect on the sea as its Nile water has been efficiently damned in the branch 20 km landward by faraskour dam