1.

Impact of Zinc and Selenium on Reproduction Profile of Hybrid Red Tilapia Treated with Sub-lethal Concentration of Water-Soluble Fractions (WSFs) of Petroleum Crude Oil

Pages 1-10
Hagar Sedeek Dighiesh; Zaki Zaki Shaarawy; Said Abdelhalim Kamel; Mohammed Abdelhamid Eldanasoury; Mohammed Mohammed Saeed; Amina Desouky
2.

Water Temperature Modeling for Water Tank in Recirculating Aquaculture System for Nile Tilapia Raising

Pages 11-20
Ahmed Mohammed Ragab; Abdel-Ghany Mohamed El-Gindy; Osama Kaddour; Samir Ahmad Ali
3.

Coalescing and discriminating offspring from pure line and reciprocal crosses of two African catfishes: Clarias gariepinus and Heterobranchus longifilis

Pages 21-33
Gabriel Arome Ataguba; Paul Aunde Annune; Samuel Olabode Olufeagba
4.

An Analytical Economic Study for The Optimal Use of Irrigation Water in Egyptian Agriculture

Pages 34-57
Mohamed Ali El-Shahed
5.

Topographic Study the rise and fall of the level of the Nile River using Remote Sensing technology and Geographic Information Systems to achieve a comprehensive development management

Pages 56-65
Heba Abdelmoteleb Ahmed
6.

Using Remote Sensing technology integrated with the Geographic Information System (GIS) to develop a Plan to save the Egyptian Northern lakes Case study: Lake Burullus

Pages 66-73
Sameh El-Kafrawy; Heba Ahmed