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The effect of the artificial linkage between the Kunene river and the Cuvelai system on the fish fauna in Owambo, Namibia / C. J. Hay; F. H. van der Bank; J. T. Ferreira

By: Contributor(s): Material type: TextTextLanguage: English Series: Madoqua 1997, Vol. 19 (2), p. 99 - 105Publication details: Windhoek : Nature Conservation and Tourism Division, 1997, : Multi ServicesDescription: 7 pages : tables, fig.; 28 cmISSN:
  • 1011-5498
Subject(s): DDC classification:
  • PER 154 Madoqua
Summary: A concrete canal, built in 1972 to supply water from the Kunene river to the central parts of Owamboland, is responsible for the transfer of 32 species from the Kunene river to Owambo. Most of these fish are limited to artificial reservoirs. Only one cichlid species has so far successfully invaded the oshana system. Turbidity is believed to be the main factor preventing the invasion of Kunene river fish into the oshanas. A total of 22 species have been collected in the oshanas of which five species are considered to be permanent inhabitants. Oreochromis mossambicus is present in the Ondangwa reservoir and individuals may be present in the surrounding waterbodies
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A concrete canal, built in 1972 to supply water from the Kunene river to the central parts of Owamboland, is responsible for the transfer of 32 species from the Kunene river to Owambo. Most of these fish are limited to artificial reservoirs. Only one cichlid species has so far successfully invaded the oshana system. Turbidity is believed to be the main factor preventing the invasion of Kunene river fish into the oshanas. A total of 22 species have been collected in the oshanas of which five species are considered to be permanent inhabitants. Oreochromis mossambicus is present in the Ondangwa reservoir and individuals may be present in the surrounding waterbodies

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