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Abdel Rahman El Gamal

Author's posts

Impacts of COVID-19 on aquaculture with a special emphasis in Africa

I delivered this presentation in an online workshop held on 27 July 2020. The management of the workshop took place at the Egyptian International Centre for Agriculture (EICA), Dokki, Egypt. The structure of the workshop included three main presentations (this is one of the three) as well as presentations from selected African countries. By the …

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Permanent link to this article: https://fishconsult.org/?p=15551

Supersaturation of dissolved oxygen in fish ponds

Photo credit: Samy Ndala (Congo DR) Review: Abdel Rahman El Gamal (Founder of the website) The supersaturation of dissolved oxygen (DO) is often observed near the surface of water bodies as a result of the strong the photosynthetic activity resulting from phytoplankton abundance. This occurs during bright sunlit days in eutrophic water bodies such as …

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Permanent link to this article: https://fishconsult.org/?p=15542

Co-culture and rotated culture of lotus and fish

Review: Abdel Rahman El Gamal (Founder of the website) Lotus-aquaculture culture system has been practiced for long time in China and is being evaluated recently in some Asian countries where lotus (Nelumbo nucifera) is native macrophytes. Several fish species have been used in such integrated systems including carps, tilapias and others. The two culture forms …

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Permanent link to this article: https://fishconsult.org/?p=15537

Traditional fishery in Gorgol River (Mauritania)

Photo credit: Vaghih El Bechiry (Mauritania)      Description: Vaghih El Bechiry and Abdel Rahman El Gamal (Founder of the website) The inserted picture shows a group of fishermen while fishing in Gorgol River “Gorgol Noir” which is an open fishery resource and hence there is no fishing license is required. In order to achieve enough sustainability …

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Permanent link to this article: https://fishconsult.org/?p=15533

Training small-scale fish farmers in Cambodia

Photo credit: Nyro Tum (Cambodia) Description: Nyro Tum and Abdel Rahman El Gamal (Founder of the website) The inserted picture shows a field day tailored to make potential small-scale farmers acquainted with aquaculture. Field days are typically conducted to train farmers who are already practicing fish farming targeting to introduce enhanced technologies and/or addressing current …

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Permanent link to this article: https://fishconsult.org/?p=15528

Collection and preparation of mangrove oyster by Senegalese women

Photo credit: KIVA Review: Abdel Rahman El Gamal (Founder of the website) In Senegal, the mangrove roots and mud are home of several hundreds of known species of fish, bivalves and oysters, and crustaceans, which are very important especially for domestic consumption. Women are the ones who are in charge of the collection of oyster …

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Permanent link to this article: https://fishconsult.org/?p=15522

Pangasius feeding in Vietnam – Video

Video credit: Mohamed Atta (Egypt) Review: Abdel Rahman El Gamal (Founder of the video channel) Vietnam has the lead in the production of striped catfish (Pangasius sp.) that is exported to over 100 countries. According to FAO statistics, about 1.3 million tons of Pangasius has been produced from aquaculture in 2018. The culture of Pangasius is …

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Permanent link to this article: https://fishconsult.org/?p=15519

Fish production and consumption in Mauritania

Photo credit: Vaghih El Bechiry (Mauritania) Description: Vqghih El Bechiry and Abdel Rahman El Gamal (Founder of the website) The fish display shown in the picture exists in the central market located in Mokama city, South of Mauritania. The fish displayed in the market are caught from Foum Laklet Lake about 80 km from Mokama. …

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Permanent link to this article: https://fishconsult.org/?p=15515

Artificial reproduction of Pacu in Paraguay

Photo credit: Ariel Montiel Benitez (Paraguay)    Review: Ariel Montiel Benitez and Abdel Rahman El Gamal (Founder of the website) Pacu (Piaractus mesopotamicus) is an important fish species with high commercial value in Paraguay. The availability of sufficient number of the species fingerlings would be essential towards the expansion of pacu aquaculture in Paraguay. The artificial reproduction …

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Permanent link to this article: https://fishconsult.org/?p=15510

Fish pond de-silting (Zambia)

Photo credit: John Chiseba Mwamba (Zambia) Description: Abdel Rahman El Gamal (Founder of the website) As silt accumulates, the overall capacity of a pond decreases. Fish ponds which were not desilted for years, ponds had become shallow, which may aggravate weed growth. Silt can lead to pond turbidity which interferes with the sunlight penetration and …

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Permanent link to this article: https://fishconsult.org/?p=15502

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