Allen, S. E., H. M. Grimshaw, J. A. Parkinson, and C. Quarmby. 1974. Chemical analysis of ecological materials. Blackwell Scientific Publications, Oxford.
AOAC (Association of Official Agricultural Chemists). 1960. Methods of analysis. Washington, DC.
Auclair, A. N. D., A. Bouchard, and J. Pajaczkowski. 1976. Plant standing crop and productivity relations in aScirpus-Equisetum wetland. Ecology 57:941–952.
Beadle, I. C. 1974. The inland waters of tropical Africa. Longman, New York.
Boyd, C. E. 1968. Fresh-water plants: a potential source of protein. Econ. Bot. 22:359–368.
—. 1969. The nutritive value of three species of water weeds. Econ. Bot. 23:123–127.
—. 1970. Production, mineral accumulation and pigment concentrations inTypha latifolia andScirpus americanus. Ecology 51:285–290.
—, and R. D. Blackburn. 1970. Seasonal changes in the proximate composition of some common aquatic weeds. Hyacinth Contr. J. 8:42–44.
Gaudet, J. J. 1977. Uptake, accumulation and loss of nutrients by papyrus in tropical swamps. Ecology 58:415–422.
Hakanen, R. 1984. Preliminary study of suitability of ureaphosphate treatment in fodder conservation in tropical developing countries. Research Report to Emil Aaltonen Foundation, Tampere, Finland.
Hansen, R. M., D. L. Whittington, R. D. Child, and J. M. Wanyama. 1984. Ruminai digestion consistency of Zebu cattle. J. Range Managem. 37:283–284.
Johnson, M. K., H. Wofford, and W. Mitchell. 1982. Contamination during nylon-bag digestion trials. J. Wildl. Managem. 46:253–255.
Jones, M. B. 1983. Papyrus: a new fuel for third world. New Sci. 99:419–421.
Karue, C. N. 1974. The nutritive value of herbage in semi-arid lands of East Africa. 1. chemical composition. E. African Agric. Forest. J. 70:89–95.
Kinyamario, J. I., R. D. Child, and D. F. Burzlaff. n.d. Nodal tillering in two East African grasses,Themeda triandra Forsk. andCenchrus ciliaris L. Proceedings of 2nd International Rangeland Congress, Adelaide, Australia. (In press)
Kothmann, M. M. 1980. Nutrition of livestock grazing on range and pasture lands. Pages 56–90in D. C. Church, ed., Digestive physiology and nutrition of ruminants. Vol. 3. O & B Books, Corvallis, OR.
Little, E. C. S. 1968. Handbook of utilization of aquatic plants. Food and Agriculture Organization, United Nations, Rome.
Lusk, J. W., C. B. Browning, and J. T. Miles. 1962. Small sample in vivo cellulose digestion procedure for forage evaluation. J. Dairy Sci. 45:69–73.
Muthuri, F. M. 1985. The primary productivity of papyrus(Cyperus papyrus L.) in relation to environmental variables. Ph.D. thesis, University of Nairobi, Nairobi.
Polisini, J. M., and C. E. Boyd. 1972. Relationships between cell-wall fractions, nitrogen and standing crop in aquatic macrophytes. Ecology 53:483–488.
Sinclair, A. R. E. 1975. The resource limitation of trophic levels in tropical grassland ecosystems. J. Anim. Ecol. 44:497–520.
Thompson, K. 1976a. Swamp development in the head-waters of the White Nile. Pages 177–196in J. Rzoska, ed., The Nile, biology of an ancient river. Dr. W. Junk B. V., Publishers. The Hague, Netherlands.
—. 1976b. The primary productivity of African wetlands with particular reference to the Oka-vango Delta. Pages 67–79in Proceedings of a Symposium on the Okavango Delta and its future utilization. The Botswana Society, Gaborone.
—, P. R. Shewry, and H. W. Woolhouse. 1979. Papyrus swamp development in the Upemba Basin, Zaire: studies of population structure in Cyperus papyrus stands. J. Linn. Soc, Bot. 78:299–316.
Ulehlova, B., S. Husak, and J. Dvorak. 1973. Mineral cycles in reed stands of Neyst fishpond in southern Moravia. Polish Arch. Hydrobiol. 20:121–129.
van Dyne, G. M. 1962. Micro-methods for nutritive evaluation of range forages. J. Range Managem. 15:303–314.
—, F. M. Smith, R. L. Czaplewski, and R. G. Woodmansee. 1974. Analyses and syntheses of grassland ecosystem dynamics. Pages 1–79in Structure, functioning and management of ecosystems: proceedings of the First Internationl Congress of Ecology. The Hague, Netherlands.
Westlake, D. F. 1963. Comparisons of plant productivity. Biol. Rev. 38:385–429.
—. 1975. Primary production of freshwater macrophytes. Pages 189–206in J. P. Cooper, ed., Photosynthesis and productivity in different environments. Cambridge University Press, Cambridge.