Browsing by Author "O'Brien, G.C."
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Comparative behavioural assessment of an established and a new tigerfish Hydrocynus vittatus population in two man–made lakes in the Limpopo River catchment, Southern Africa
Smit, N.J.; O'Brien, G.C.; Bulfin, J.B.; Husted, A. (Taylor & Francis, 2012)With the continued establishment of man-made lakes within the natural distribution range of tigerfish in southern Africa, many artificial tigerfish populations now exist in the region. Very little of the behavioural ecology ... -
Regional-scale risk assessment methodology using the Relative Risk Model (RRM) for surface freshwater aquatic ecosystems in South Africa
O'Brien, G.C.; Wepener, V. (South African Water Research Commission, 2012)To maximise the long-term use of limited ecosystem services in South Africa, managers continually require approaches to optimise the establishment of balances between the use and protection of ecosystems to ensure ...