SOME ECOLOGICAL FACTORS AFFECTING CORAL REEF ASSEMBLAGES OFF HURGHADA, RED SEA, EGYPT.
SOME ECOLOGICAL FACTORS AFFECTING CORAL REEF ASSEMBLAGES OFF HURGHADA, RED SEA, EGYPT. TAREK ABD EL-AZIZ AHMED MOHAMMED* AND MOHAMED ABD EL-WAHAB MOHAMED** * National Institute of Oceanography and Fisheries, Red Sea and Suez & Aqaba Gulfs Branch, Hurghada Marine Research Station, Hurghada, Egypt. ** Correspondence author: Dr. Tarek A. A. Mohammed. Researcher in the National […]
SOME COMPARATIVE HISTOLOGICAL STUDIES ON ALIMENTARY TRACT OF TILAPIA FISH (TILAPIA SPILURUS) AND SEA BREAM (MYLIO CUVIERI)
SOME COMPARATIVE HISTOLOGICAL STUDIES ON ALIMENTARY TRACT OF TILAPIA FISH (TILAPIA SPILURUS) AND SEA BREAM (MYLIO CUVIERI) HEYAM ABDULLAH AL ABDULHADI Faculty of Science in Dammam in Saudi Arabia Key word: Histology, Alimentary tract, Tilapia and sea bream. ABSTRACT The present work was carried out on ten mature Tilapia (Tilapia spilurus) and ten mature Bream […]
SOME BIOCHEMICAL ASPECTS OF REPRODUCTION IN FEMALE TRACHINOTUS OVATUS (CARANGIDAE)
SOME BIOCHEMICAL ASPECTS OF REPRODUCTION IN FEMALE TRACHINOTUS OVATUS (CARANGIDAE) ASSEM S. S. *, EL-SERAFY S. S.**, EL-GARABAWY M. M. *, ELABSAWY M. EL-G. * AND KALDUS S. K.** *National Institute Of Oceanography and Fisheries. ** Faculty of science, Zagazig University, Banha branch. Key words: Trachinotus ovatus, Ovaries, Total proteins and amino acids, total lipids […]
SHORT TERM VARIATIONS OF ZOOPLANKTON COMMUNITY IN THE WEST NAUBARIA CANAL, ALEXANDRIA, EGYPT
SHORT TERM VARIATIONS OF ZOOPLANKTON COMMUNITY IN THE WEST NAUBARIA CANAL, ALEXANDRIA, EGYPT NAGWA E. ABDEL AZIZ National Institute of Oceanography & Fisheries, Alexandria, Egypt Keywords: Zooplankton – Naubaria Canal – Weekly variations – Salinity ABSTRACT The variations of zooplankton structure and abundance were studied at short time intervals in the northern part of the […]
Reproductive Biology and Histology of Male Brushtooth Lizardfish Saurida undosquamis (Richardson), Family: Synodontidae, From The Mediterranean Coast of Egypt
Reproductive Biology and Histology of Male Brushtooth Lizardfish Saurida undosquamis (Richardson), Family: Synodontidae, From The Mediterranean Coast of Egypt ZIENAB ABDEL-BAKI EL-GREISY National Institute of Oceanography and Fisheries, Alexandria, Egypt Key words: Synodontidea, Saurida undosquamis, Brushtooth lizardfish, Reproductive biology, Histology, Testes, Reproduction. ABSTRACT The present study indicates that male Saurida undosquamis fish in the Egyptian […]
Reproductive Biology and Histology of Female Brushtooth Lizardfish Saurida undosquamis (Richardson), Family: Synodontidae, from the Mediterranean Coast of Egypt
Reproductive Biology and Histology of Female Brushtooth Lizardfish Saurida undosquamis (Richardson), Family: Synodontidae, from the Mediterranean Coast of Egypt ZIENAB ABDEL-BAKI EL-GREISY National Institute of Oceanography and Fisheries, Alexandria, Egypt. Key words: Synodontidea, Saurida undosquamis, Brushtooth lizardfish, Reproductive biology, Histology, Ovary, Reproduction. ABSTRACT The present study aims at the investigation of reproductive biology and ovarian […]
PRECONCENTRATION AND SEPARATION OF FE (III), CO (II), NI (II) AND ZN (II) BY SOLID-PHASE EXTRACTION USING SILICA MODIFIED WITH N- PROPYLSALICYLALDIMINE
PRECONCENTRATION AND SEPARATION OF FE (III), CO (II), NI (II) AND ZN (II) BY SOLID-PHASE EXTRACTION USING SILICA MODIFIED WITH N- PROPYLSALICYLALDIMINE MOHAMED A. HAMED National Institute of Oceanography and Fisheries, Suez, Egypt. Keywords: preconcentration, separation, modified silica, metals and water. ABSTRACT N- propylsalicylaldimine based on porous silica, as ion exchanger, was used for the […]
NITROGEN AND PHOSPHORUS SPECIES OF LAKE BURULLUS WATER (EGYPT)
NITROGEN AND PHOSPHORUS SPECIES OF LAKE BURULLUS WATER (EGYPT) MOHAMED ABD EL-AZIZ OKBAH National Institute of Oceanography and Fisheries, Alexandria, Egypt Key words: Lake Burullus, Nutrients, Nitrogen, phosphorus forms. ABSTRACT Water samples collected from Lake Burullus were analyzed to investigate temporal and spatial variations of phosphorus and nitrogen species during the period from January to […]
