Browsing 2. EAC Institutions by Author "a753a491-fad9-4161-9723-a49b3f000258"
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Age validation of a tropical cyprinid, Rastrineobola argentea (Pellegrin 1904) by immersin in tetracycline hydrochloride and use phi prime
Njiru, M.; Pitcher, T. J.; Pauly, D. (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 ... -
Impact of water hyacinth, Eichhornia crassipes (Mart.) Solms-Laubach, on the fishery of Lake Victoria, Kenya
Njiru, M; Othina, AN; Wakwabi, E (Lake Victoria Environmental Management Project (LVEMP), 2004)Due to heavy infestation of water hyacinth in Lake Victoria catches of Clarias gariepinus (Burchell) and Protopterus aethiopicus (Heckel), which strongly decreased in the 1980s, increased markedly in 1998. Tilapia catches ... -
Population parameters of Oreochromis leucostictus from Lake Naivasha, Kenya
Njiru, M.; Ojuok, J.E. (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 ... -
Some aspects of Nile tilapia Oreochromis niloticus (L.) population characteristics in Lake Victoria, Kenya
Njiru, M; Okeyo-Owour, JB; Muchiri, M; Cowx, IG (2005)Length frequency data collected from commercial landings were used to estimate growth parameters, mortality (Z, F, M), growth performance index (f’) and exploitation rate (E) in O. niloticus from the Nyanza Gulf of Lake ...