Publications

DlV\IN ACHE OF THE TEI.EOST CLARIAS LAZERA AS INDICATOR OF WATER CONTAMINATION BY PHENOL OR METHANOL H. ASSEM, A. KHALIFA AND U.K. BADAWI National Institute of Oceanography and Fisheries ABSTRlICT The present investigation revealed the effect of phenol or methanol at different sublethal concentrations on the specific activity of brain acetylcholinesterase. The study was also […]

DISTRIBUTION OF OXYGEN AND NUTRIENT SALTS IN THE QATARI WATERS H. I. EMARA, M. I. EL-SAMRA AND K. Z. EL-DEEB Marine Sciences Dept., University of Qatar. ABSTRACT The horizontal and vertical dlstri~ltion of oxygen and the nutrient salts concentrations as well as the atomle ratios of th~ elements P: N: SI In the Qatarl waters […]

DISTRIBUTION OF CHLOROPHYCEAE IN LAKE BUROLWS, EGYPT. AMIN A. SAMAAN, ZEINAB M. El-SHERIF AND EISHA Y. El-AYOUTY· National Institute of Oceanography and Fisheries, Alexandria • Botany Dept., FaCUlty of Science, Cairo University. ABSTRACT The standing crop of phytoplankton in take Burollus was estimated monthly dJring the years 197a and 1979. The community was rich both […]

DISTRIBUTION AND ECOLOGY OF PHYTOPLANKTON IN EL-MEX BAY, EGYPTZEINAB M. EL-SHERIF National Institute of Oceanography and Fisheries, Alexandria, Egypt ABSrrtACT El-Mex Bay is a semisheltered shallow estuary which receives large amounts of drainage water contaminated with sewage and industrial wastes from the Umum Drain. Quantitative and qualitative estimations of. phytoplankton at both the surface and […]

A NEW RECORD OF SPONGES FROM THE EGYPTIAN MEDITERRANEAN WATERS ~N~ M~~~~;ESH~E:SHy~~ElRALLAH*, H.K. BADAWI** * Zoology Department, Faculty of Science, University of Alexandria. * * National Institute of Oceanography and Fisheries, Alexandria. ABSTRACT Four aponge apecles were recorded for the flrat tl. fre. the EIlVPtien Meclfterraneen watera. One of th_ wea cOlllll8rclal (Spongi. IISI8relnl.) 8nd […]