DISTRIBUTION OF NUTRIENT SALTS IN THE’WATER AND POREWAT’ER OF THE WESTERN HARBOUR OF ALEXANDRIA, EGYPT.
DISTRIBUTION OF NUTRIENT SALTS IN THE’WATER AND POREWAT’ER OF THE WESTERN HARBOUR OF ALEXANDRIA, EGYPT. RAMZY B. NESSIM AND A. B. TADROS. Institute of Oceanography and Fisheries, Kayet Bey, Alexandria, Egypt. ABSTRACT Water and surface sediment samples were collected seasonally during the year 1985 from nine stations in Alexandria western harbour. The nutrient salts; Phosphate, […]
DISSOLUTION OF CALCIUM FLUORIDE IN AQUEOUS SOLUTION RTIFICIAL SEA WATER).
DISSOLUTION OF CALCIUM FLUORIDE IN AQUEOUS SOLUTION RTIFICIAL SEA WATER). • . M. HAMZA , ···A. I;BELTAGY AND·· S. HAMDONA • Chemistry Department, Faculty of Sc1ence. Henoffa University, Sh1bin El-Kom. Egyot. **1 1 • nst tute o. OceanographY and Fisheries, Alexandr1a. Egypt. The kfnetics of dissolut10n of calcium fluoo’1de has been studfed over a range […]
PRESERVATION OF EGYPTIAN COTTON NETTING TWINES
PRESERVATION OF EGYPTIAN COTTON NETTING TWINES By G. A. BOTROS, A. A. AL-S AYES AND R. A. KOURA INTRODUCTION Amongst the several causes of deterioration of natural netting-twines of which operational fatigue, frictional abrasion, sunlight and fish slime are examples, rotting by the action of cellulose-consuming micro-organisms is considered the most responsible. Un-preserved netting-twines after […]
COMPARATIVE STUDIES ON MICROBIOLOGICAL AND CHEMICAL CHARACTERISTICS OF HIGH DAM LAKE WITHEN TEN YEARS.
COMPARATIVE STUDIES ON MICROBIOLOGICAL AND CHEMICAL CHARACTERISTICS OF HIGH DAM LAKE WITHEN TEN YEARS. ABDEL SAMIE ELEWA* AND MOHAMED AZAZY** *Institute of Oceanography and Fisheries, Cairo, Egypt. **Soil and Water Use Lab., National Research Centre, Cairo, Egypt. ABSTRACT High Dam Lake is a tropical eutrophic empoundment in upper Egypt. The Late drought period led to […]
CATCH PER UNIT EFFORT IN THE NORTHERN EGYPTIAN DELTA LAKES.
CATCH PER UNIT EFFORT IN THE NORTHERN EGYPTIAN DELTA LAKES. AIIMED FAWZY EL-KARACHJLY AND IBRAHJM AWAD EL-KARYONY. National Institute of OCeanography an4 Fisheries. Alexandria. Egypt. ABSTRACT Catch per effort statistical analysts has been adopted on Egyptian northern Delta Lakes in order to study the relation between the catch of unit effort (CPUE). effort and the […]
OOGENESIS IN THE NILE BOLTI, TILAPIA NILOTICA L.
OOGENESIS IN THE NILE BOLTI, TILAPIA NILOTIOA L. By A.F.A. LA1’IF (Ph.D.) Institute of Oceanography and Eisheries, B.E. SAADY (M.Se.) Zoology Department, Fcculty of Science, University of Cairo I.-INTRODUCTION Bl:LLE’l’IN Since the end of the Ia-t century, the study of oogenesis III fishes has attracted the attention of many authors. They are mainly interested in […]
BEACH SEDIMENTS AND LITTORAL PROCESSES ALONG THE RED SEA COAST OF EGYPT.
BEACH SEDIMENTS AND LITTORAL PROCESSES ALONG THE RED SEA COAST OF EGYPT. ATEF A. MOUSSA, KHALED A. MOUSSA AND MOHAMED H. EL-MAMONEY Institute of Oceanography and Fisheries, Alexandria, Egypt. ABSTRACT The upper and lower foreshore sediments have been analyzed in order to determine the grain size parameters and the carbonate contents. Statistical analyses were used […]
IlV(PREGNATION OF ROT-RETARDING PRESERVATIVES BY EGYPTIAN COTTON NETTING TWINES
IlV(PREGNATION OF ROT-RETARDING PRESERVATIVES BY EGYPTIAN COTTON NETTING TWINES By G.A. BOTROS(l) AND A.A. AL-SAYESe INTRODUCTION This work is carried out in an attempt to give further bases for the evaluation of the different preservatives used with cotton netting! twines. The percentage impregnation with tile respective preservative and the degree of water absorption by the […]
