• By-Catch Of Commercial Bottom Trawl Fishery From Qatar Waters, Arabian Gulf 

      Ibrahim, M. A. [محمد امين ابراهيم]; El-Bary, Kamal A.; Al-Khayat, Jassim A. ( Qatar University , 1989 , Article)
      The by-catch of the bottom trawl fishery from Qatar water, Arabian Gulf was analysed during the year (1987) on bimonthly basis. It was estimated that 496-635 tons were discarded as by-catch which included a lot of commercialy ...
    • Inhibition Effect Of Four Oil Dispersants On Primary Productivity In Qatar Water (Ararian Gulf) 

      Ibrahim, M. A. [محمد امين ابراهيم]; El Samra, Mohamed I. ( Qatar University , 1987 , Article)
      Four major oil dispersant mixtures in seawater wore used to depict their in—situ inhibition ratio to productivity rate of natural phytophanklon populations in Qatar water — Arabian Gulf — during the spring season of 1986. ...
    • Primary Productivity of Lake Manzalah, Egypt, using C14 technique 

      Ibrahim, M. A. [محمد امين ابراهيم]; El-Reheim, H. A. ( Qatar University , 1981 , Article)
      The hydrographical and chemical conditions of Lake Manzalah, Egypt, are influenced by the surging in of saline water from the Mediterranean sea and are by no means stable. The average of the parameters studied during the ...
    • Studies On Bottom Trawling And Demersal Fishes Of Qatar Waters, Arabian Gulf 

      Ibrahim, M. A. [محمد امين ابراهيم] ( Qatar University , 1989 , Article)
      The bottom trawl fishery and their by-catch from Qatar waters were analysed on a systematic basis for species composition, length, weight and girth-among other things-during the year 1986-1987. The resuls proved a steady ...
    • Studies On Catch Rates Of Bottom Trawlers In Qatar Waters, Arabian Gulf 

      Ibrahim, M. A. [محمد امين ابراهيم]; El-Bary, Kamal A.; Rahman, Mohsin A. ( 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 ...