Introduction
Beach seine is widely used along the Egyptian Mediterranean
coast in front of the Nile Delta, where the nursery grounds
of most fishes occur (Faltas and Akel, 2003). The beach seine
causes a considerable increase in the landing of unwanted
species and catches large quantities of juveniles (small sizes
of economic species) which are considered as contributors to
the future stocks (Faltas and Akel, 2003).
The chemistry and hydrography of the Eastern Harbor
w