MESH SBLECTIVITY OF MONOFILAMBNT NYLON TRAMMBL HBT IN LAXB BDI«1, BayPT •
MESH SBLECTIVITY OF MONOFILAMBNT NYLON TRAMMBL HBT IN LAXB BDI«1, BayPT • IBRAHIM, A. SOLIMAN National Institute of oceanography and Fi.herie., Xayet Bey Alexandria – Bgypt. ABS’l’RAC’l’ Experimentll fi.hing operltion. hlvt bttn clrried out in tht llkt Edku durtng 1990 f1.h1ng with tht 11m of 1nvt.t1glt1ng tht .tltct1on bth.viour of the newly introduced monoftllment trlmmll […]
INTERACTIVE EFFECTS OF SALINITY AND NATURAL NITROGF;N SOURCE ON SOME METABOLIC ACTIVITIES OF CHLORELLA VULGARIS
INTERACTIVE EFFECTS OF SALINITY AND NATURAL NITROGF;N SOURCE ON SOME METABOLIC ACTIVITIES OF CHLORELLA VULGARIS SHAALAN, S. H.; KHALEAFA, A. F. AND EL-SAID, A. A. F. Department of Botany and Microbiology, Faculty of Science, Alexandria University. ABSTRACT Chlorella vulgaris (Chlorophyceae) was cultured on media of combined mixtures containing different salinity levels (ranging from 50·200 mM […]
GENE’rlC APPROACH OF RED TlLAPIA
GENE’rlC APPROACH OF RED TlLAPIA SAFAA I EL-DEEB AND MOHAMED A ESSA National Institute of Oceanography and Fisheries, Kayet Bay, Alexandria, Egypt. ABSTRACT The electrophoretic analysts of muscle myogen of the different phenotypes of red tilapia; Oreochr~i. nilottcus and O. lUreua revealed that myogen petterns were not exactly similar and specific for each species. On […]
FIELD AND LABORATORY STUDIES ON THE ECOLOGY OF MARINE FOULING IN ALEXANDRIA HARBOUR, EGYPr .
FIELD AND LABORATORY STUDIES ON THE ECOLOGY OF MARINE FOULING IN ALEXANDRIA HARBOUR, EGYPr . MOHAMED M. EL-KOMI. National Institute of Oceanography and Fisheries, Alexandria, Egypt. ABSTRACT The species composition, seasonal a~ndance and rate of growth of fouling are investigated on submerged test panels in the field (the Eastern Harbour of Alexandria) and under laboratory […]
EFFECTS OF J~CALITY AND TISSUE TYPE ON HEAVY METAL LEVELS OF SOME COMMERCIAL FISHES FROM Al.EXANDRIA-EGYPl’.
EFFECTS OF J~CALITY AND TISSUE TYPE ON HEAVY METAL LEVELS OF SOME COMMERCIAL FISHES FROM Al.EXANDRIA-EGYPl’. K.S. GHAZALY*, M.M. El-MOFTV**, S 1. ATTIA**, * Department of Natural Hlstory, Faculty of Education, Alexandria University: ** De~artm~nt of Zoology, Faculty of science, Alexandria Un1vers1ty. * Present address: Biolog¥ Dept., Centre of Sci. & Math. B.O.Box 1~70, Taif, […]
EFFECT OF SOME NUTRIENTS AND THEIR COMBINATIONS ON THE GROWTH OF NITZSCHIA PALEA (KUTZ) W.SM.
EFFECT OF SOME NUTRIENTS AND THEIR COMBINATIONS ON THE GROWTH OF NITZSCHIA PALEA (KUTZ) W.SM. RAMSES R. ABDALLA, AKIN A. SAMAAN AND ZEINAB M. EL-SHERIF National Institute of oceanography and Fisheries, Alexandria-Egypt. ABSTRACT Mathemetical regression models ~re given, which describie the dependence of Nitzschia pale. growth on the available concentration of nitrogen, phosphorus, iron and […]
DIFFERENTIATION BETWEEN ADVANCING AND RETREATING BEACH SANDS ALONG THE NOUARCHOTT COAST, MAURITANIA.
DIFFERENTIATION BETWEEN ADVANCING AND RETREATING BEACH SANDS ALONG THE NOUARCHOTT COAST, MAURITANIA. ‘t ‘t;J,(> .,,”/ M.F. LOTFY, ‘\ Coastal ResearchI~stitute, 15 Faraana Str., EI-Shallalat, Alexandria, £gypt. ABSTRACT This study distinguishes between accreted and eroded beach sands along the Nouakchott coast of Mauritania on the basis of their grain size, shape of grain size distribution curves […]
DETAI LED VARIATIONS IN MEAN TEMPERATURE AND HEAT CONTENT OF SOME EGYPl’IAN LAKES
DETAI LED VARIATIONS IN MEAN TEMPERATURE AND HEAT CONTENT OF SOME EGYPl’IAN LAKESM. A. SAID National Institute of Oceanography & Fisheries, Kayet Bay, Alexandria, Egypt. ABSTRACT Detailed variations in the mean temperature end heat content were studied for SOlIe Egyptian lakes. The,e l.” are: Maryut. Idku. Burullus. Manzalah, Port-Foued-and Bardawll lagoon. The depth and vol~ […]
