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9. REFERENCES

Beveridge, M. C. M. 1984. Cage and pen fish farming. Carrying capacity models and environmental impact. FAO Fish. Tech. Pap., 255:131 p.

Henderson, R. F. and R. L. Wellcome, 1974. The relationship of yield to morpho-edaptive indix and number of fishermen in an African fisheries. Committee for Inland Fisheries of Africa (CIFA) Pap. 1. FAO, Rome. 19pp.

Hepher, B. 1962. Primary production in fish ponds and its application to fertilization experiments. Limnol. Ocean. 7(7): 131 – 136

Kutty, M. N. 1985. An analyse of factors affecting individual fish growth and pond fish production. Proc. IFS Aquaculture meeting Oct. 1985. Aquac. Research in Africa. Hursman, E.A., 1986. PUDOC, Wageninger, Netherlands.

Le Cren, E. D. and R. H. Lowe-McConnell, 1980 The functioning of the freshwater ecosystems. Cambridge University Press, Cambridge, London.

Melack, J.M. 1976. Primary productivity in tropical lakes. Trans. Ameri. Fish. Soc. 106 (5): 575 – 580.

Morgan, N.C., T. Backiel, G. Bretschke, A. Duncan, A. Hillbricht-Ilkowska, Z. Kajak, J. F. Kitchell, P. Lansson, C. Levesque, A. Nauwerck, F. Schiemer and J. E. Thorpe, 1980. Secondary production. Chap. 6. in Le Cren, E. D. and R. H. Lowe-McConnel, eds. The functionning of the freshwater ecosystems. Cambridge University Press, Cambridge, London.

Noreiga-Curtis, P. 1979. Primary productivity and related fish yield in intensely manured ponds. Aquaculture, 17 : 335 – 344.

Ryder, R. A., S. R. Kerr, K. A. Loftus and H. A. Regier. 1974. The morpho-edaptive index, a fish yield estimator - riviews and evaluation. J. Fish. Res. Board Can. 31(5); 663 – 688.

Srinivasan, A. 1972. Energy transformations through primary productivity and fish production in some tropical freshwater unpoundments and ponds. Pages 505 - 514 in Z. Kajak and A. Hilbricht - Ilkowska, eds, Productivity problems in freshwaters. Polish Scientific Publishers. Warsaw.

Tang, Y.A. 1970. Evaluation of balance between fishes and available fish foods in multi-species fish culture ponds in Taiwan. Trans. Amer. Fish. Soc. 99(4):708 – 718.

Wellcome, R. L. 1972. The inland waters of Africa. Committee for Inland Fisheries of Africa. Tech. Pap. No. 1. FAO, Rome, 117 pp.


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