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Browsing Natural and Agricultural Sciences by Supervisor "Ferguson, J. Willem H."
Now showing items 1-19 of 19
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(University of Pretoria, 2014)The purpose of this study was to identify and address an expectations gap in the environmental-performance information between a community that believes it is being polluted and the organisations from a nearby industrial ...
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(University of Pretoria, 2014)Natural water resources are globally under pressure due to increasing population numbers and associated global change drivers, such as land-use and climate change. South Africa has a semi-arid climate, with variable patterns ...
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(University of Pretoria, 2014-11-30)Prior to this in-depth phytosociological classification and biogeographical study, the only other intense floristic study focussing on all plant species done specifically on Mariepskop was the work by Van der Schijff and ...
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(University of Pretoria, 2005-11-24)The biological diversity of the planet is at great risk as a direct result of an ever-expanding human population and its associated activities. Landscape transformation to accommodate such activities leads to habitat loss ...
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(University of Pretoria, 2012-09-14)The giant bullfrog, Pyxicephalus adspersus, is a large, explosive-breeding anuran from southern Africa, which spends most of the year buried in a state of torpor. In South Africa this species is considered to be ...
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(University of Pretoria, 2016)Mariepskop Mountain is the highest peak on the northern Drakensberg escarpment at an elevation of 1945 m above sea level (asl). The Klaserie River emanates from the Mariepskop in a south-easterly direction whilst the Blyde ...
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(University of Pretoria, 2016)Change in land use has had major impacts on natural resources. Mountain terrains and their associated natural resources are especially vulnerable to extensive changes in land use. We evaluated climate, demographic and ...
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(University of Pretoria, 2016)Climate change is leading to loss of global and local biodiversity through changes in the ecology of fauna and flora. Changes in environmental temperature influence species distributional ranges. They respond by either ...
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(University of Pretoria, 2013-06-28)Development, environmental sustainability, agriculture and livelihoods are dimensions that are often considered antagonistic. By thinking at the landscape level however, innovative opportunities arise for simultaneity ...
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(University of Pretoria, 2006)Please read the abstract in the 00front part of this document
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(University of Pretoria, 2013)The transfrontier conservation areas (TFCAs) concept appears well-timed and appropriate to Southern Africa but the role of local communities in these enterprises is not defined. A framework that fully integrates agriculture, ...
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(University of Pretoria, 2016)Amphibians have long been recognized as excellent indicators of both biological and ecological health of ecosystems, as they occupy many habitats and environments and have a diverse range of impacts on their immediate ...
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(University of Pretoria, 2006)Sexual selection is a frame of reference that attempts to explain exaggerated signaling traits, including acoustic signals between male and female animals. Contemporary studies in the field of sexual selection are focused ...
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(University of Pretoria, 2013)Afforestation is considered to be one of the leading land-use changes affecting ecosystem function and diversity. This study investigates the impact of pine afforestation on microclimate and soil in fragments of highly ...
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(University of Pretoria, 2006-11-07)The African Wild Silk moths (Gonometa spp., Lasiocampidae) are species that are presently of particular economic interest in southern Africa. Both Gonometa postica and G. rufobrunnea, two species of African Wild Silk moth ...
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(University of Pretoria, 2012-11-22)Concern for the severe loss of biodiversity of grassland species is often voiced. Plantation forestry is known to cause extensive and long lasting disturbance of the natural environment in particular in areas such as the ...
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(University of Pretoria, 2006-11-22)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2011-03-16)The pouched mouse, Saccostomus campestris Peters, 1846 from southern Africa shows a high degree of karyotypic variation where up to 16 variants (2n = 30–50) have been reported. This has led to a systematic uncertainty that ...
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(University of Pretoria, 2007-02-13)No abstract available.
Now showing items 1-19 of 19