A NOTE ON THE USE OF C 14 FOR MEASURING CARBON ASSIMILAnON IN EPIPHYTES
A NOTE ON THE USE OF C 14 FOR MEASURING CARBON ASSIMILAnON IN EPIPHYTES By RICH. A. VOLLENWEIDER AND .AMm A. SAMAAN Institute .1 Hydrobiology and Fisheries, Alexandria U.A.R. INTRODUCTION Since the introduction of the Cl4 method by Steemann Nielsen (1952) for measuring organic production in the sea our knowledge concerning primary production of phytoplankton […]
THE ELASMOBRANCHS OR THE MEDITERRANEAN
THE ELASMOBRANCHS OR THE MEDITERRANEAN VI – THREE TORPEDOS. FATMA M. M. MAZHAR Department of Zoology, University College for Women, Ain Shams University. ABSTRACT Three species of the genus Torpedo are reported from Ale~andria shores. The external morphology of the three species is studies and taxonomically treated. A key for their identification is elaborated. The […]
ON THE INFLUENCE OF WATER POLLUTION UPON THE FISHERY GROUNDS IN EL-SALLUM, ABU-QIR AND EL-BORULLUS REGIONS.
ON THE INFLUENCE OF WATER POLLUTION UPON THE FISHERY GROUNDS IN EL-SALLUM, ABU-QIR AND EL-BORULLUS REGIONS. M. L. EL-SAYED EL-HEHYAWI Inst. Ocean. Fish., Kayet Bay, Alexandria, Egypt. ABSTRACT The petroleum pollution in the western regions are at its maximum in El-Sal1um Bay. Comparatively rich fish catch is found in the Bay. Abu-Oir Bay was surveyed […]
OBSERVATIONS ON CATCH OF THE MOST IMPORTANT FISHES ALONG THE EGYPTIAN CONTINENTAL SHELF IN THE SOUTH-EASTERN PART OF THE MEDITERRANEAN SEA.
OBSERVATIONS ON CATCH OF THE MOST IMPORTANT FISHES ALONG THE EGYPTIAN CONTINENTAL SHELF IN THE SOUTH-EASTERN PART OF THE MEDITERRANEAN SEA. W.F. WADlE. Institute of Oceanography and Fisheries. Mediterranean Sea Branch. ABSTRACT This study revealed that after the construction of the Aswen High Dam. the catch of pelagfc ffshes specfally sardfnes have been dropped frOll […]
MATURATlON, SPAWNING AND FECUNDITY OF TWO SPARID FISH DIPLODUS SARGUS,L. AND DIPLODUS VULGARIS,GEOFF. IN THE EGYPTIAN MEDITERRANEAN WATERS.
MATURATlON, SPAWNING AND FECUNDITY OF TWO SPARID FISH DIPLODUS SARGUS,L. AND DIPLODUS VULGARIS,GEOFF. IN THE EGYPTIAN MEDITERRANEAN WATERS. A.M. EL-MAGHRABY”‘; M.T. HASHEM”””; G.A. BOTROS’” and E.A. WASSEF”””· * Department of Oceanography. Faculty of Science. Alexandria University. ** Institute of Oceanography and Fisheries. Alexandria. ABSTRACT The spawning seasons of both D1plodus sargus and D1plodus vulgaris are […]
GEOCHEMICAL STUDIES OF RECENT SEDIMENTS FROM THE GULF OF ST. LA WRENCE.
GEOCHEMICAL STUDIES OF RECENT SEDIMENTS FROM THE GULF OF ST. LA WRENCE. I. DISTRIBUTION OF MAJOR AND MINOR ELEMENTS. ALI 1. BELTAGY AND B. F. d’ANGLEJAN* Institute of Oceanography and Fisheries, Alexandria, Egypt. *Mc Gill University, Montreal, Canada. ABSTRACT The distribution of the major and minor elements in some recent sediments from the Gul f […]
GEOCHEMICAL STUDIES OF RECENT SEDIMENTS FROM THE GULF OF ST. LAWRENCE. II. GEOCHEMISTRY OF TRACE ELEMENTS•
GEOCHEMICAL STUDIES OF RECENT SEDIMENTS FROM THE GULF OF ST. LAWRENCE. II. GEOCHEMISTRY OF TRACE ELEMENTS• ALI • I. BELTAGY AND B. F. d’ANGLEJAN Institute of Oceanography and Fisheries. Alexandria. Egypt. * Me Gill University. Montreal. Canada. ABSTRACT The abundace of the e1eme’lt Co. Cr. Cu. Mn. He. Hi. Pb. Sr. Se and Zn in […]
