تصفح Qatar University Science Journal - [From 1981 TO 2007] حسب المؤلف "El Samra, M. I. [محمد ابراهيم السمرة]"
-
Acute Toxicity Of Some Oil Dispersants To Mullet Fry ( Liza Macrolepis) Of The Arabian Gulf
El Samra, M. I. [محمد ابراهيم السمرة]; Ibrahim, M. A.; Ahmed, I. F.; Awartani, S. M. ( Qatar University , 1986 , Article)The acute toxicity of Shell LTX, Shell Concentrate, Servo CD 2000 and Exxon OSD 9217 were used to calculate 72 - hr. LC ci\ and toxicity curves to the Mullet Fry ( Liza macrolepis) under the Arabian Gulf conditions (Temp. ... -
Algal Nitrogen Fixation In The Northwestern Part Of The Arabian Gulf
El Samra, M. I. [محمد ابراهيم السمرة]; Dorgham, M. M.; Muftah, A. ( Qatar University , 1988 , Article)Nitrogen fixation and cell counts of blue-green algae and diatoms in the northwestern area of the Arabian Gulf were assayed during the (period, 7-20 November, 1984. Spatial variations indicated that the maximum rate of ... -
Vertical Distribution And Inter-Relations Of Oxygen And Nutrients In The Arabian Gulf And The Gulf Of Oman In Summer
El Samra, M. I. [محمد ابراهيم السمرة]; El Gindy, A. A. H. ( Qatar University , 1990 , Article)The distribution patterns of oxygen and nutrients (phosphate, nitrate, nitrite and ammonia) were studied along the Arabian shelf of the Arabian Gulf and the Gulf of Oman, including the Strait of Hormuz, during September, ...