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Reproductive biology of a riverine cyprinid, Labeo umbratus (Teleostei: Cyprinidae), in small South African reservoirs
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WarrenM Potts AnthonyJ Booth Thomas Hecht TimothyG AndrewThe reproductive and recruitment characteristics of moggel, Labeo umbratus, populations were examined in four small South African reservoirs. Reproduction, characterised by an extended spawning season, high fecundity, short incubation time and rapid larval development, appears to be ideally suited to... -
Predictor variables for moggel (Labeo umbratus) biomass and production in small South African reservoirs
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WM Potts AJ Booth T Hecht TG AndrewThe biomass and production of moggel, Labeo umbratus, in five small previously unexploited Eastern Cape reservoirs were estimated and related to environmental conditions. Biomass and production estimates varied widely between the reservoirs. Whilst the production/biomass ratio was not a good... -
The life history and fishery potential of Labeo umbratus (Teleostei: Cyprinidae) in five small South African reservoirs
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WarrenM Potts AnthonyJ Booth Thomas Hecht TimothyG AndrewThe life histories of five populations of moggel, Labeo umbratus, inhabiting small Eastern Cape reservoirs were compared and the differences related to environmental parameters. A significant positive correlation between fish growth and chlorophyll a was noted in four cases. In...