Browsing Lake Victoria Fisheries Organization (LVFO) by Subject "Fisheries"
Now showing items 1-20 of 27
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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 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 ... -
Buffering Capacity Studies in a Rural aod Urban Wetlands in Lake Victoria Catchment in Uganda
(LVFO, 2001)Wetlands are known to filter water from catchments by retaining solid waste, and eroded sediments from catchment areas. Wetlands also reduce the impact of flooding, speed of flow, and hence store water while releasing it ... -
Comparative fecundity estimates in the thumbprint emperor, Lethrinus harak (Forsskal, 1775) using volumetric and stereological methods
(LVFO, 2000)Comparative fecundity estimates were made on 10 stage 4 ovaries of the thumbprint emperor, Lethrinus harak using volumetric and stereological methods. Results show that the volumetric method tended to under-estimate fecundity ... -
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 ... -
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 methods and fish diversity in the Kilombero River in south-eastern Tanzania
(LVFO, 1996)Assessment of common fishery methods and of fish diversity was undertaken In two fishing camps on the Kilombero River in south-eastern Tanzania in surveys towards the end of the dry season. 1994. Fishermen identified 23 ... -
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 ... -
HIV/AIDS in the fisheries communities of Lake Victoria: a strategic action plan 2006
(LVFO, 2006-11)HIV/AIDS remains a serious challenge within East Africa, none more so than for the fishing communities of Lake Victoria. Despite HIV/AIDS being first confirmed in the region within the fishing communities of Lake Victoria, ... -
Information from radio telemetry on movements and exploitation of naturalized rainbow trout, Oncorhynchus mykiss (Walbaum), in Kenya cold water streams
(2000)Rainbow trout populations in Kenya streams have declined rapidly over several decades. Therefore, we studied movements of rainbow trout, Oncorhynchus mykiss (Walbaum), in two third order streams (the Sagana and Thego) ... -
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 ... -
Potential Impacts of Kirinya Wetland in Treating Secondary Municipal Effluent from Jinja Stabilisation Ponds
(LVFO, 2001)Kirinya West wetland is located on the Northern shores of Lake Victoria in Jinja- Uganda The wetland receives secondary treated effluent from the stabilisation ponds owned and operated by the National Water and Sewerage ...