Browsing Lake Victoria Fisheries Organization (LVFO) by Subject "Fish Species"
Now showing items 1-18 of 18
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Age validation of a tropical cyprinid, Rastrineobola argentea (Pellegrin 1904) by immersin in tetracycline hydrochloride and use phi prime
(LVFO, 2000)To verify that increments observed in the otoliths of R. argentea were deposited daily, fish were immersed in tetracycline hydrochloride (TC) of 100 - 600 mg V between 2-24 hours. TC was found to be incorporated within ... -
Analysis of Competition in the Wholesale and Retail Markets for fish in Kisumu, Kenya
(LVFO, 1996)This study analyses competition in the wholesale and retail fish marketing system in Kisurnu, which is Kenya's largest fish market. It is based on cross sectional and time series primary data collected in a survey involving ... -
Analysis of fish catch data from 1985 to 1994 in the Kenyan inshore marine waters
(LVFO, 1996)Fish landing data collected by the Kenyan Fisheries Department from the nearshore coastal marine waters from 1985 to 1994 were statistically analyzed to determine trends in the traditional fisher's catch. Over the ten year ... -
A decline in Fish catches and the size of Oreochromis niloticus in Lake Wamala (Uganda) following human exploitation
(LVFO, 1995)The fishery of Lake Wamala has declined since the lake was stocked in 1956 and opened to fishing during the 1960s. Surveys were conducted on the lake during 1975178 and 1988/92 to investigate the causes of declining fish ... -
Effect of Water Harvesting on Species Diversity and Overall Rangeland Recovery in Kagera Microcatchement
(LVFO, 2001)Plant species diversity was investigated on ridges with and without water harvesting structures. The effect of water harvesting technology on the soil properties and rangeland recovery was also investigated. The experimental ... -
Evaluation of external anchor tags for estimation of growth and survival in Tilapia (Oreochromis shiranus chilwae Trewavas)
(LVFO, 1995)The effects of tagging with Floy FD-68B T-bar anchor tags on estimates of growth in Tilapia (Oreochromis shiranus chilwaei were investigated in a pond and in a field experiment. In the pond experiment, mean length increments ... -
Fishery resources and some economic aspects of four fishing villages on lake George and Edward in the Queen Elizabeth National Park, Uganda
(LVFO, 1995)The fisheries resources of Lake George and Ugandan waters of Lake Edward are described. The main fish species currently observed in the commercial catches were determined and the reasons of changes in species composition ... -
Food and feeding habits of the African lungfish, Protopterus annectens (Owens) (Pisces: Sarcopterygii) in the flood plains of River Niger in Etsako east of Edo State, Nigeria
(LVFO, 2000)An analysis of the gut contents of African lungfish Protopterus annectens(O) using the frequency of occurrence, numerical and volumetric methods show that the fish has selective preference for diets of other fishes, ... -
Growth, mortality and recruitment of Nile tilapia (Oreochromis niloticus) (L.) (Cichlidae) in Lake Turkana (Kenya): Possible variations as assessed by length frequency analysis.
(LVFO, 1998)Estimates of growth, mortality and recruitment pattern of Nile tilapia iOreochromis niloticus) from Lake Turkana were obtained from two sets of length frequency distributions: one from HOPAON (1982) obtained in 1974 from ... -
The Nile perch processing industry in Tanzania: trends, issues and development
(LVFO, 2000)Under modern conditions of product competition, it is increasingly risky not to innovate and, at the same time, it is extremely expensive to do. Consumers always want a stream of new and improved products. Competition ... -
The patterns and trends of marketing and consumption of the fish of Lake Victoria (Kenya waters)
(LVFO, 1998)Over 90% of Kenya's fish is produced from Lake Victoria, its principle source of fish for domestic consumption and for export. The three fish species of most economic importance are Lates niloticus, Rastrineobola argentea ... -
Population parameters of Oreochromis leucostictus from Lake Naivasha, Kenya
(LVFO, 1996)Length-frequency data collected from fish landings on Lake Naivasha were used to estimate the growth parameters: total mortality (Z), growth performance index (¢'), exploitation rate and recruitment pattern in Oreochromis ... -
Preliminary investigation into the haematology of adult protopterus annectens (Owen) in Nigeria. (Short communication)
(LVFO, 2000)HaematologicaI values other than mean cell haemoglobin concentration, were consistently higher in the male Protopterus annectens(O) than the female. These all showed significant linear correlation with weight at 5% level ... -
The role of women in artisanal fish processing and trading on Lake Victoria (Kenya)
(LVFO, 2000)This paper examines the role women in artisanal fish processing and trade along the Kenyan shore of Lake Victoria. The study was carried out with aid of a structured questionnaire administered through personal interviews. ... -
Seasonal Dynamics of The Phytoplankton Community in Relation to Environment in Lake Baringo, Kenya (Impact on the Lake's Resource management)
(LVFO, 2001)Studies were conducted in Lake Baringo between May 1994 and April 1995 to map temporal changes in productivity (phytoplankton standing stock) and attempt to relate these changes to environmental parameters in this ... -
Studies on induced breeding of Clarias gariepinus (Burchell, 1822) in Hapa Pens
(LVFO, 1996)Induced breeding of Clarias gariepinus was conducted monthly in hapa pens, set up in Otamiri river for nineteen months (June 1993 - December 1994). Results of natural fertilization were unsatisfactory as few eggs ...
