الفهرس Only 14 pages are availabe for public view
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Abstract
Reviewed the research study the transparency of the sea, as well as Shebin estimating the amount of dissolved salts in water as measured by the temperature of the air over the Sea of Shebin during the winter and summer where it found that there was no significant difference between the temperature on the surface of the water in the bottom and also noted that there is no significant difference between the amount of a 2 Dissolved in the water on the surface albedo in the bottom fish in the Sea of Shebin with less growth factor for lengths that have been studied and found to be less weight compared to fish whiting in the northern and southern parts of the Nile. For fertility were found to be between egg 17500 - 39500 eggs and the highest rate of the breach of the month of June and sex ratio of males to females is 1.06 = 1.0 and found that the male up to the stage of maturity at 42 cm in length while females reach the stage of maturity at 39 cm in length.