Browsing by Author "Evans, Steven W."
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Baseline assessment of the density and diversity of birds around Matimba and Medupi power station
Muyemeki, Luckson (North-West University, 2015)Bird populations are changing at unprecedented rates in response to human-induced changes to the global environment, and these rates of change are expected to accelerate over the coming decades. Changes in the levels of ... -
Current conservation status of the Blue Swallow Hirundo atrocaerulea Sundevall 1850 in Africa
Evans, Steven W.; Monadjem, Ara; Roxburgh, Lizanne; McKechnie, Andrew E.; Baker, Ellizabeth M. (Taylor & Francis + NISC, 2015)The global Blue Swallow Hirundo atrocaerulea was classified as Vulnerable in 2010 on account of its small and rapidly declining population estimated at less than 1 500 pairs. We undertook this study to gain a better ... -
The effects of habitat loss and fragmentation on the relative abundance and conservation of Southern Black Korhaan Afrotis afra, a South African endemic
Evans, Steven W. (Cambridge University Press, 2023)Southern Black Korhaan is “Vulnerable” to extinction and a South African endemic that is restricted to the area of the Northern Cape Province that is west of the Great Escarpment, and to the area south of the Great ...