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Browsing by Author "Zengeya, TA"

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Ecological niche modeling of the invasive potential of Nile tilapia Oreochromis niloticus in African river systems: concerns and implications for the conservation of indigenous congenerics

Author: Zengeya, TA ; Robertson, MP ; Booth, AJ ; Chimimba, CT Date: Jul 2013 This study applied ecological niche models to determine the potential invasive range of Nile tilapia, Oreochromis niloticus, with a particular focus on river systems in southern Africa where it is now established and spreading. Computational ... Read more
Predicting the potential distribution of invasive silver carp Hypophthalmichthys molitrix in South Africa

Author: Lübcker, N ; Zengeya, TA ; Dabrowski, James M ; Robertson, MP Date: 2014 Predicting the potential geographical distribution and spread of non-native species is of major concern to ecologists. Silver carp Hypophthalmichthys molitrix, ranked as one of the world’s 100 worst invasive species, were introduced into South ... Read more
A qualitative ecological risk assessment of the invasive Nile tilapia, Oreochromis niloticus in a sub-tropical African river system (Limpopo River, South Africa)

Author: Zengeya, TA ; Robertson, MP ; Booth, AJ ; Chimimba, CT Date: Jan 2013 This study outlines the development of a qualitative risk assessment method and its application as a screening tool for determining the risk of establishment and spread of the invasive Nile tilapia, Oreochromis niloticus (Linnaeus, 1758), ... Read more
Trophic ecology and persistence of invasive silver carp Hypophthalmichthys molitrix in an oligotrophic South African impoundment

Author: Lübcker, N ; Dabrowski, J ; Zengeya, TA ; Oberholster, Paul J ; Hall, G ; Woodborne, S ; Robertson, MP Date: Dec 2016 The alien invasive silver carp Hypophthalmichthys molitrix established a self-sustaining feral population in an oligotrophic impoundment, Flag Boshielo Dam, in South Africa. The ability of this population to persist in a dam with low algal ... Read more

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Browsing by Author "Zengeya, TA"

Browsing by Author "Zengeya, TA"

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