POST-IMPOUNDMENT TRENDS IN THE FISH POPULATIONS OF THE HENDRIK VERWOERD DAM, SOUTH AFRICA

REFERENCES

• BOWMAKER , A. P. 1975 . Fisheries productivity of Lake Kariba. . Tobacco Forum , 2 : 17 – 25 .
   Google Scholar
• BRUTON , M. N. 1979 . The breeding biology and early development of Clarias gariepinus (Pisces: Clariidae) in Lake Sibaya, South Africa, with a review of breeding in species of the subgenus Clarias (Clarias). . Trans. zool. Soc. Lond. , 35 : 1 – 45 .
   Google Scholar
• BRUTON , M. N. and ALLANSON , B. R. 1980 . Growth of Clarias gariepinus in Lake Sibaya, South Africa. . S. Afr. J. Zool. , 15 : 7 – 15 .
   Google Scholar
• CAMBRAY , J. A. , HAHNDIEK , S. and HAHNDIEK , Q. 1978 . The juvenile fish populations in the marginal areas of the Hendrik Verwoerd Dam. . J. Limnol. Soc. sth. Afr. , 4 : 21 – 30 .
   Google Scholar
• ENSLIN , J. M.N. 1966 . 'n Vergelykende studie van die voedingsgewoontes van sekere visse in Baberspan, Transvaal Potchefstroom : Potchefstroom University for C.H.E. . M.Sc.-dissertation
   Google Scholar
• FAIRALL , N. and HAMMAN , K. C.D. 1977 . Population structure of two labeo species in the Hendrik Verwoerd Dam as determined by gill net sampling. . J. Limnol. Soc. sth. Afr. , 3 : 9 – 12 .
   Google Scholar
• GAIGHER , I. G. 1977 . Reproduction of catfish (Clarias gariepinus) in Hardap Dam, South West Africa. . Madoqua , 10 : 55 – 59 .
   Google Scholar
• GAIGHER , I. G. and BLOEMHOF , H. J. 1975 . Hybrid Labeo umbratus x L. capensis(Pisces, Cyprinidae) from the Hardap Dam . S.W.A. Madoqua , 9 : 53 – 55 .
   Google Scholar
• GAIGHER , I. G. , CAMBRAY , J. A. and HAMMAN , K. C.D. 1977 . Relative population densities and breeding habits of fishes in the Orange River between the H.F. Verwoerd and P.K. le Roux Dams. Dept. of Nat. and Environm. Conserv., C.P.A. Research Report: Freshwater 125 – 145 .
   Google Scholar
• GAIGHER , I. G. , HAMMAN , K. C.D. and THORNE , S. C. 1980 . Relative fish population density changes in the P.K , le Roux Dam during the first three years after inundation. J. Limnol. Soc. sth. Afr. 6
   Google Scholar
• GROENEWALD , A. A. van J. 1964 . Observations on the food habits of Clarias gariepinus Burchell, the South African freshwater barbel (Pisces: Clariidae) in Transvaal. . Hydrobiol. , 23 : 287 – 291 .
   Google Scholar
• HAMMAN , K. C.D. 1974 . 'n Ondersoek na lengte, massa, ouderdom en gonade-ontwikkeling van die groter visspesies in die H.F. Verwoerddam Johannesburg : Rand Afrikaans University . M.Sc. thesis
   Google Scholar
• HAMMAN , K. C.D. , CAMBRAY , J. A. and ANN SCOTT , H. (in prep.) Gill net catch per unit effort statistics on two large Orange River impoundments in South Africa. Submitted to J. Limnol. Soc. sth. Afr
   Google Scholar
• JACKSON , P. B.N. 1973 . Preliminary report on small fishes from the Hendrik Verwoerd Dam, Orange River. . S. Afr. J. Sci. , 69 : 85 – 86 .
   Google Scholar
• JUBB , R. A. and FARQUHARSON , F. L. 1965 . The freshwater fishes of the Orange River drainage basin. . S. Afr. J. Sci. , 61 : 118 – 124 .
   Google Scholar
• MARSHALL , B. E. 1979 . Fish populations and the fisheries potential of Lake Kariba. . S. Afr. J. Sci. , 75 : 485 – 488 .
   Google Scholar
• MULDER , P. F.S. 1971 . 'n Ekologiese studie van die hengelvisfauna in die Vaalriviersisteem met spesiale verwysing na Barbus kimberleyensis Gilchrist and Thompson Johannesburg : Rand Afrikaans University . Ph.D. thesis
   Google Scholar
• MULDER , P. F.S. 1973 . Aspects of the ecology of Labeo umbratus Labeo capensis in the Vaal River. . Zool. Afr. , 8 : 15 – 24 .
   Google Scholar
• NIKOLSKII , G. V. 1969 . Theory of fish population dynamics as the biological background for rational exploitation and management of fishery resources Edinburgh. : Oliver and Boyd .
   Google Scholar
• REGIER , H. A. and ROBSON , D. S. 1966 . Selectivity of gill nets, especially to lake whitefish. . J. Fish. Res. Bd. Can. , 23 : 423 – 454 .
   Web of Science ®Google Scholar
• SCHOONBEE , H. J. 1969 . Notes on the food habits of fish in Lake Baberspan, Western Transvaal, South Africa, Verh. . Internat. Verein. Limnol. , 17 : 689 – 701 .
   Google Scholar
• VAN DER WAAL , B. C.W. 1972 . 'n Ondersoek na aspekte van die ekologie, teelt en produksie van Clarias gariepinus (Burchell) 1822 Johannesburg : Rand Afrikaans University . M.Sc. thesis
   Google Scholar
• WEATHERLEY , A. H. 1972 . Growth and ecology of fish populations London and New York : Academic Press .
   Google Scholar