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Now showing items 11-20 of 47
Assessment of metals pollution in the sediments of lake burullus, s.e. Mediterranean, egypt
(
Qatar University
, 1995 , Article)
The present study aims to quantify the heavy metals contents in the sediments of Lake Burullus. Cu, Pb, Zn, and Cd were analyzed using ICP spectrometer. The contamination factors (CF) were calculated for each element. The ...
Plant diversity, dispersion, community similarity, and vegetation description in united arab emirates. II eastern coast
(
Qatar University
, 1995 , Article)
Papers presented at The gulf symposium on Environmental biology, University of Qatar, 7-9 May 1994
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The vegetation on the eastern coast of UAE was studied in 3 undisturbed sites. Dispersion, species-area, and ...
The interaction between adults and recruitments in the brachidontes variabilis l. (lamellibranchiata) bed in the bitter great lake, suez canal
(
Qatar University
, 1992 , Article)
The purpose of the present study was to test two hypotheses concerning the interactions between adults and recruitments in the densly-packed assemblages of a population of suspension feeder (Brachidontes variabilis L.) in ...
A Preliminary Check-List Of Benthic Mollusca On The Qatari Coasts, Arabian Gulf
(
Qatar University
, 1994 , Article)
In this paper, an annotated checklist of the benthic marine Mollusca collected from Qatari coasts, Arabian Gulf, is presented. Localities and habitats are given for the common families of the recorded groups. Gastropoda ...
The Tidal Range And The Observed Sea Level Variations At Alexandria Harbour
(
Qatar University
, 1994 , Article)
On the basis of sea level observations of five years period (1975-1979), the basic properties of the tidal range at Alexandria are described. The problem of the combined effect of tides and meteorological factors on sea ...
Studies On Catch Rates Of Bottom Trawlers In Qatar Waters, Arabian Gulf
(
Qatar University
, 1990 , Article)
Data pertaining to catch, effort, time, space, landing, commercial value, by-catch and some environmental parameters covering the period from 1983 to 1988 were used in this regard. The results conformed that; the CPUE ...
Heat Storage In The Eastern Mediterranean
(
Qatar University
, 1993 , Article)
Results of the monthly climatological fields of heat storage for the Eastern Mediterranean are presented. The zonal annual trend of monthly mean heat storage in the Levantine, Aegean and Ionian Seas are shown as well as ...
Mullet culture in qatar: effects of replacing fish meal With soybean meal on growth rates and feed utilization efficiency of liza macrolepis (pisces: mugilidae)
(
Qatar University
, 1994 , Article)
The effects of replacing fish meal (FM) with soybean meal (SBM) in practical diets fed to fingerling mullet, Liza macrolepis, on the growth rates, feed utilization and body composition were investigated. Five isocaloric ...
Sponges in Qatari waters A new source of marine natural products for biological applications
(
Qatar University
, 1999 , Article)
Sponges are the most primitive multicellular organisms belonging to Animalia kingdom. They lack symetry and do not have differentiated tissues or organs. However, as a consequence of this primitive organization it is very ...
Adenylate Energy Charge As A Tool For Evaluating Sub-Lethal Toxicity
(
Qatar University
, 1999 , Article)
Adenylate energy charge (AEC) is directly related to the cellular concentrations of the three adenylates nucleotides ATP, ADP and AMP. This biochemical index reaches high values (0.9) under optimal conditions but drops ...