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Abdel Rahman El Gamal

Author's posts

Role of women in seaweed farming in Zanzibar (Tanzania)

Photo credit: Farida Mlaponi Mohamed (Tanzania) Review: Abdel Rahman El Gamal (Founder of the website) Commercial seaweed farming started on Zanzibar (Unguja) Island in 1989 and expanded to Pemba Island and mainland Tanzania around 1994.  The seaweed strains of Kappaphycus were imported from the Philippines. Tanzania Seaweed farming in Tanzania started commercially in 1989 and …

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Permanent link to this article: http://fishconsult.org/?p=15595

Pond culture of African catfish in Togo

Photos’ credit: Sabi Asma (Togo)     Description: Sabi Asma and Abdel Rahman El Gamal (Founder of the website) According to a conducted survey, two production systems do exist in Togo with extensive system (about 88%) that is carried out in earthen ponds and reservoirs, while the semi intensive system (about 12%) is practiced in tanks and …

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Permanent link to this article: http://fishconsult.org/?p=15592

Machinery use in the construction of Egyptian fish ponds (Video)

Video credit: Herman Hennig (Argentina) Review: Abdel Rahman El Gamal (Founder of the video channel) This video was filmed in 2015 during the construction of a fish farm in Egypt. Typically, fish ponds in Egypt are constructed using different types of machinery that are required for excavation, compacting, levelling and dyke construction; bulldozers, rollers, tractors …

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Permanent link to this article: http://fishconsult.org/?p=15587

Cage culture of gilthead seabream and European seabass fish in Egypt – Video

Video credit: Alejandro Joachin (Guatemala) Review: Abdel Rahman El Gamal (Founder of the video channel) This video was filmed in 2014 during a field visit by the participants in an international training course held and organized by the Egyptian International Centre for Agriculture (EICA). The non-floating cages shown in this video represent a part of …

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Permanent link to this article: http://fishconsult.org/?p=15584

Pond culture of tilapia in Togo – Video

Video credit: Sabi Asma (Togo) Review: Sabi Asma and Abdel Rahman El Gamal (Founder of the video channel) Video credit: Sabi Asma (Togo) Review: Sabi Asma and Abdel Rahman El Gamal (Founder of the video channel) The inserted video was filmed in a private fish farm in Togo showing the stocking of all-male Nile tilapia …

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Permanent link to this article: http://fishconsult.org/?p=15574

Safe interaction with stingrays in touch tanks (Video)

This video was filmed by the author during a visit to the Sea World, California, USA. As shown in the video, visitors surrounding the touch tank are trying and actually touching the stingrays which is a unique experience. In order to ensure a safe touch, the barbs (stingers) of rays are constantly trimmed down like …

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Permanent link to this article: http://fishconsult.org/?p=15569

Aquaponics in Togo

Photo credit: Sabi Asma (Togo) Description: Sabi Asma and Abdel Rahman El Gamal (Founder of the website) The inserted pictures show one of the aquaponics projects in Togo. This one is a private farm located in Plateau Region, prefectures of Kpele, and locality of Bodze. This particular farm was established in 2012. The fish component …

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Permanent link to this article: http://fishconsult.org/?p=15559

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: http://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: http://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: http://fishconsult.org/?p=15537

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