Výsledky vyhledávání - "Kamanyi, J.R."

Cooperative use of research and training vessels in the East African region (Lake Victoria): Uganda report

Autor: Kamanyi, J.R.

Publikováno v: National Fisheries Resources Research Institute, Uganda

There are two functioning research and training vessels in Uganda owned by Fisheries Resources Research Institute at JinJa. R.V. IBIS (180HP) and: R.V MPUTA(125HP) though both functioning they are constantly breading down and. lack some essential nav

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::31530c09c98356ca232ad0b2d9a8c58a
https://hdl.handle.net/1834/32973

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Plankton identified in stomach contents of Oreochromis niloticus (Pisces, CICHILIDAE) and the water system of Lakes Edward, George and Kazinga channel-Uganda

Autor: Kamanyi, J.R., Olet, O., Twongo, E.

Publikováno v: National Fisheries Resources Research Institute, Uganda

Lake Edward is connected to Lake George by Kazinga Channel and the commercial fisheries of this water system are dominated by Oreochromis niloticus and Bagrus docmak. However, Oreochromis niloticus is on the decline in commercial catches and yet the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::d9a6918c867cdf8b1ebf3d4e15ea9853
https://hdl.handle.net/1834/34942

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The hook fishery on Lake Victoria, Uganda

Autor: Kamanyi, J.R., Nabbongo, H., Kibrige, L.

Publikováno v: National Fisheries Resources Research Institute, Uganda

Lake Victoria is very important to the economies of the three East African partner states producing about 500,000 tons of fish annually worth US $ 600m at the landing sites, and contributed about US$ 217m in export in 2001. This Nile perch export in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::457d323816aa1d0c6c4f9540a440276c
https://hdl.handle.net/1834/33027

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A report of the fisheries catch assessment survey in the Ugandan waters of Lake Victoria for the March 2006 survey

Autor: Muhoozi, L.I., Kamanyi, J.R., Wadanya, J.

Publikováno v: National Fisheries Resources Research Institute, Uganda

This report presents findings of the CAS conducted in the Ugandan waters of Lake Victoria in March 2006. The results of the CASs in July, August, September, and November 2005 are also included to show the emerging trends. The findings indicate stable

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::5a9e509c7276859fe058b9d70bef9c5d
https://hdl.handle.net/1834/35346

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A report of the fisheries catch assessment surveys in the Ugandan waters of Lake Victoria for November 2005

Autor: Muhoozi, L.I., Kamanyi, J.R., Wandanya, J.

Publikováno v: National Fisheries Resources Research Institute, Uganda

The fisheries of Lake Victoria have undergone many changes in the recent past which have been characterized by shifts in abundance of different fish Species and changes in fishing effort. Monitoring of the population dynamics as well as the magnitude

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::689f3b5ab523d9099263ff2f4f500004
https://hdl.handle.net/1834/32971

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Impacts of fishing gears, fishing methods and fishing effort in the fisheries of Lake Victoria and proposals for management

Autor: Muhoozi, L.I., Kamanyi, J.R.

The initial subsistence fisheries of Lake Victoria were dominated by two indigenous tilapiines, Oreochromis esculentus (Graham 1929) and Oreochromis variabilis Boulenger 1906, exploited with simple fishing crafts and gears that had little impact on t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1022::28c5b4cbcc3c516a90068e9caafc271f
http://aquaticcommons.org/20176/

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The fisheries diversity of Lake Mburo with reference to Lake Kachera and some other Ankole minor lakes

Autor: Kamanyi, J.R., Mbabazi, D.

Publikováno v: National Fisheries Resources Research Institute, Uganda

Lakes Mburo and Kachera are part of the complex system of lakes known as the the Koki lakes. These lakes form part of the Victoria satellite lakes. The Koki lakes are separated by extended swamps. The fisheries of these lakes are important as they co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::90f8501639da931bb5bf5fb7a0fd56ee
https://hdl.handle.net/1834/34679

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Appropriate fishing gears for exploiting Nile Perch, Nile Tilapia and Mukene

Autor: Ogutu-Ohwayo, R., Wandera, S.B., Kamanyi, J.R.

Publikováno v: National Fisheries Resources Research Institute, Uganda

Catch effort data on which fisheries management regulations are sometimes basedare not available for most lakes in Uganda. However, failure to regulate fishing gearsand methods has been a major cause of collapse of fisheries in the country. Fisheries

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::69fcf5756bbdd6ed47a86f332c76bbc4
https://hdl.handle.net/1834/32966

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Productivity factors and fish production and their fisheries management concerns

Autor: Kamanyi, J.R., Okaronon, J.O.

The fundamental purpose of fisheries management is to ensure sustainable production over time from fish stocks, preferably through regulatory and enhancement actions that promote economic and social well being of the fishers and industries that depen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1022::d494ab3e4246fd571909e5759c978190
http://aquaticcommons.org/20710/

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Biomass and distribution of commercially important fish species in lake Victoria (Uganda), their exploitation and management

Autor: Okaronon, J.O., Kamanyi, J.R., Ogutu-Ohwayo, R.

Publikováno v: National Fisheries Resources Research Institute, Uganda

Until the 1970s, Lake Victoria had a multi-species fishery dominated by the tilapiine and haplochromine cichlids. There were important subsidiary fisheries for more than 20 genera of non-cichlid fishes , including catfishes (Bagrus docmak, Clarias ga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______229::88bf879a1a2f5c6da0a0eaadadad63eb
https://hdl.handle.net/1834/34820

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