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Available Book Titles in Datacenter |
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This paper deals with zooplanktivorous species which,except for one species (H."reginus"),show a large overlao in gross morphological characteristics,competition for food or space is likely to occur anywhere in this flock,it is between such species,unless ecological isolation has been achieved.Strong evidence has been found that the species are indeed ecologically segregated and therefore possibly sufficiently isolated to exist. |
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Within the Mwanza gulf,horizontal distributions of eight and vertical distributions of seven zooplanktivorous species were compared.Species were not randomly distributed over the sampling area,but restricted to certain horizaontal and/or vertical zones.Species which segregated relatively little horizontally'did so vertically,and/or by differrent diets.The two species with the largest diet overlap segregated vertically.Species pairs segregated along at least one niche axis.A detailed study of vertical distributions did not yield any evidence for interactive competition for space.Results of a study on the role of competition for food will be published in a forthcoming paper. |
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Vertical distributions of fish and food at a 14 m deep station (G) correlated well by night.After sunset,H.heusinkveldi and H.pyrrhocephalus made an upward migration similar to that of their main prey,Chaoborus larvae and pupae.By day ,the concordance of fish and food distributions was clear for h.pyrrhocephalus and H.heusinkveldi,but not for H."argens". Phd. 597.5(676)GOL. Lake Victoria. |
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Anders E. Thorsland. Report on survey of inland water pollution in Uganda, Kenya, Zambia and Tanzania, Rome:FAO, 1971. |
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Thorpe W.H. Learning and instinct in animals, London:Methuen and Co. ltd, 1958. |
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David Thomson. Pair trawling and pair seining : the technology of two-boat fishing, Farnham:Fishing News Books Ltd., 1978. |
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Thompson Keith, Howard-williams Clive, and Michell David. A cross-indexed bobliography of the African wetland plants and vegetation, Dordrecht:Junk publishers, 1985. |
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Diana M. Thomas, Ann T. Hinckley, and Elizabeth R. Eisenbach. The effective reference librarian, New York;London:Academic Press, 1981. |
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Davidson Thomas. Improved fishing gear and methods for Lake Chad: Report to the Government of Nigeria, Rome:FAO, 1967. |
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Frank R. Theroux. Laboratory manual for chemical and bacterial analysis of water and sewage, New York; London:McGraw-Hill Book Company, Inc., 1943. |
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Frank R. Theroux. Laboratory manual for chemical and bacterial analysis of water and sewage, 2000. |
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The Uganda Government. The National Agricultural Research Bill, 2003. Part 1 - Preliminary. 2003. |
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The Uganda Government. The Fisheries Bill, 2004: Arrangement of Clauses Part 1- Premiminary. Draft of 4th August, 2004. 2004. |
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The Republic of Uganda. Ugandan's plan: third five -year development plan 1971/2-1975/6. Anonymous. Anonymous. 2002. AL 330.19(676.1)UGA. AL 330.19(676.1)UGA. |
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The Republic of Uganda. Guidelines for Establishment and management of public Agricultural research Institutes. 2004. |
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LVEMP The Fisheries Research Component. The status of the fish stocks and the environment of Kabaka's Lake. 2001. |
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F. Teutscher. Proceedings of the symposium on post-harvest fish technology, Rome:FAO, 1992. |
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F.-W. Tesch. The eel: biology and management of Anguillid Eels, Edinburgh:Chapman and Hall, 1973. |
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Teresa Audesirk and Gerald Audesirk. Biology : life on earth, 1999. |
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Temprosa R.M., Jhocson N.I, Balagapo N.R, and Gonzalez E.B. ICLARM Library serial holdings list, Manila Philipines:International center for living aquatic resources management, 1989. |
