EKB Journal Management System
1.

Morphological and ecological studies of two chelonian reptiles

Pages 1-11
Suzan Naguib; Ragaa El-Deeb; Fatma Abd El- Haddy
2.

Distributional patterns of benthic invertebrates at some meso-habitats of sandy riverbed of a mountain stream in Japan

Pages 13-35
Khaled Abdelsalam
3.

Assessment of nutritional value and sensory quality of salted roes of catfish Clarias gariepinus

Pages 37-46
Mohamed Salama
4.

Effect of some commercial feed additives on the structure of gonads and microbiology of Nile tilapia (Oreochromis niloticus) fish

Pages 47-62
Abdelhamid Abdelhamid; Mehrim I.; El-Barbary I.; El-Sharawy A.
5.

Heavy metals pollution origin in the bed sediments of Aswan high dam reservoir: lithogenic or anthropogenic sources

Pages 63-72
Mohsen Yousry; Talaat Salem; Karima Yousry
6.

Comparative study for the production of the male Nile tilapia between inter-specific hybridization and hormonal sex reversal

Pages 73-89
Nabil Abd Al-Hakim; Mohsen Hessen; Esam Rizkalla; Ahmed Hegazi; Al-Azab Tahoun; Ayman Khalfalla
7.

Effect of fertilization sources with artificial feeding on growth performance, water quality and returns of monosex Nile tilapia (Oreochromis niloticus) reared in earthen ponds

Pages 91-104
Abdel-Wahab Abdel-Warith
8.

Studies on some heavy metals in the River Nile water and fish at Helwan area, Egypt

Pages 105-126
Abdelhamid M.; Gomaa H.; El-Sayed M.