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Tag: phytoplankton

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

Sampling of plankton in Lake Nasser – Egypt

Credit: Olfat Anwar (Egypt) The photos show the sampling of plankton in Lake Nasser using plankton nets equipped with flow meters (shown in the middle). The flow-meter measures the quantity of water filtered through the plankton net and hence enables relating the results to units of water. There are two types of plankton nets based …

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Permanent link to this article: http://fishconsult.org/?p=10586

Production of natural food in Bandar Emam Research Station, Iran

The two photos show a model of phytoplankton and rotifer production as required for the reproduction of marine fish species. This unit has been placed in Bandar Emam Research Station, Iran. As shown in the photos, each unit of the tanks has two compartments at two levels. The 300-liter upper compartment is used for phytoplankton …

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Permanent link to this article: http://fishconsult.org/?p=8864

Integrated rabbit-fish culture (Rwanda)

Credit: Fidele Kampayana (Rwanda) These photos belong to a private farm in Rwanda where integrated system is being applied between rabbits and mix-sex Nile tilapia (Oreochromis niloticus). The minimum pond size is about 500m2. Fish are stocked at a rate of 2 fingerlings per m2. In this particular pond, tilapia of 5-g average size has …

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Permanent link to this article: http://fishconsult.org/?p=1841

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