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particular reference to the mollusca). MSc. Dissertation, University of Lagos, Nigeria. 1975: 137pp. Oyenekan JA. The genital of Pachymelania (Gastropoda: Cerithiacea) in . Biologia Africana. 1984:1:31-38. Oyenekan JA. Benthic macrofaunal communities of . Nigerian Journal of Sciences. 1988: 21: 45 – 51. Scheerboom JE and Van Elk R. observations on the seasonal variations in the natural diets and the heamolymph-glucose concentration of the pond snail Lymnaea stagnalis (L.). Proc. K. ned. Akad. Wet. 1978: C81:365-376 Thomas JD, Grealy B and Fennell CF. Effect of varying the quantity and quality of various plants on feeding and growth of Biomphalaria glabarata (Gastropoda). 41: 77 – 90. Thomas JD Nwankwo DI and Sterry PR. The feeding strategies of juvenile and adult Biomphalaria glabarata (Say) under simulated natural conditions and their relevance to ecological theory and snail control. Proc. R. Soc. Lond. 1985: B226: 177 – 200. Uwadiae RE. Response of benthic macroinvertebrate community to salinity gradient in a sandwiched coastal lagoon. Report and Opinion. 2009: 1(4):45-55. Uwadiae RE, Edokpayi CA, Adegbite O, Abimbola O. Impact of sediment characteristics on the macrobenthic invertebrates community of a perturbed tropical lagoon. Ecology, Environment and Conservation. 2009: 15(3): 441-448. Ugwumba AAA. Food and feeding ecology of Oreochromis niloticus, Sarotherodon melanotheron and Heterotis niloticus (Pisces: Osteichthyes) in Awba reservoir in . Ph.D. Thesis, . 1990: 359pp. Ugwumba AAA and Adebisi A. The food and feeding ecology of Sarotherodon melanotheron (RUPPELI) in a reservoir in . Arch. Hydrobiol. 1992: 124(3): 367-382.
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