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Conservation of fishes in the Elands River, Mpumalanga, South Africa: Past, present and future

Koedoe, 2014-01, Vol.56 (1), p.1-8 [Peer Reviewed Journal]

COPYRIGHT 2014 African Online Scientific Information Systems (Pty) Ltd t/a AOSIS ;Copyright AOSIS OpenJournals, A Division of AOSIS (Pty) Ltd 2014 ;This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License. ;ISSN: 0075-6458 ;ISSN: 2071-0771 ;EISSN: 2071-0771 ;DOI: 10.4102/koedoe.v56i1.1118

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  • Title:
    Conservation of fishes in the Elands River, Mpumalanga, South Africa: Past, present and future
  • Author: O'Brien, Gordon C ; Smit, Nico J ; Wepener, Victor
  • Subjects: Animal populations ; Biodiversity ; Biodiversity Conservation ; Chiloglanis ; conservation ; Ecosystems ; Elands River ; Environmental Sciences ; extinction ; Fish ; Fishery conservation ; Fishing ; Freshwater ; Habitats ; Kneria ; local tribal authority ; nature reserve ; Pisces ; Pulp & paper mills ; River ecology
  • Is Part Of: Koedoe, 2014-01, Vol.56 (1), p.1-8
  • Description: In an isolated reach, between two large natural waterfalls in the Elands River in Mpumalanga, populations of a critically endangered Kneria sp., the endangered Chiloglanis bifurcus and a genetically unique population of Labeobarbus polylepis occur. The aim of this article was to evaluate past efforts to conserve these fishes, describe the current status and propose future conservation and management actions. The population status assessments were based on a series of fish community composition and population structure evaluations from surveys undertaken at 22 sites during seven surveys from 2002 to 2006. Although water-use activities have continued to increase in the area, impacts have been offset by conservation efforts initiated almost 30 years ago. The existing C. bifurcus population appears to be stable, which is reflected in the downgrading of the conservation status of the species from critically endangered to endangered. The abundance of the kneriid population appears to be increasing and spreading to other tributaries in the study area. The abundance of L. polylepis appears to be increasing but has still not reached historical levels.
  • Publisher: Pretoria: AOSIS (Pty) Ltd
  • Language: English;Portuguese
  • Identifier: ISSN: 0075-6458
    ISSN: 2071-0771
    EISSN: 2071-0771
    DOI: 10.4102/koedoe.v56i1.1118
  • Source: SciELO
    AOSIS OpenJournals
    Free E Journals
    ProQuest Central
    DOAJ Directory of Open Access Journals
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