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Birds and the urban ecology of Potchefstroom
(North-West University, 2004)
Human activities cause drastic changes in the environment, such as the fragmentation of habitats, which is the greatest threat to the world's biodiversity and biogeography. By using birds to study habitat changes, it ...
Effects of land-use on avian demography in the Kalahari area of the North-West Province, South Africa
(North-West University, 2004)
Desertification, whether due to anthropogenic pressures, climate change or other factors, has become a global concern. The far-reaching effects of desertification have prompted the formation of the United Nations Convention ...
Aquatic avifauna of the Middle Vaal River
(North-West University, 2006)
Ornithology should be considered as an essential part of ecological studies. Birds provide an easy way of monitoring the state of the environment, because they are easier to detect, simpler to locate than many other taxonomic ...
The determination of dioxin-like POPs in sediments and fish of the Vaal Triangle region, Gauteng, South Africa
(North-West University, 2006)
Water resources in South Africa are scarce, and should therefore be protected against
pollutants, also from persistent organic pollutants (POPs). This is emphasised by the
Stockholm Convention on POPs, which aims at ...
Diversity and distribution of birds in villages in the Kalahari
(North-West University, 2009)
Urbanisation and human settlements affects natural habitats in South Africa and around the world through the removal of vegetation, construction of roads and houses, and by various forms of pollution. The Bophirima District ...
Avian response to controlled fire at Barberspan
(North-West University, 2005)
Grasslands cover about a quarter of the Earth and are often characterised by wetlands (McAllister, 2000). A large diversity of animal life is found there. In South Africa, there are 21 species of grassland birds, of which ...
Evaluation of predictive models for pesticide behaviour in South African soils
(North-West University, 2009)
The re-evaluation of pesticide use patterns is a high priority internationally. The process has led to a reduction in the numbers of pesticides allowed for use in many countries. This withdrawal of pesticides is aimed at ...
The quality of environmental impact reports for projects with the potential of affecting wetlands
(North-West University, 2005)
Listed development activities, which may have a substantial detrimental effect on the environment require an Environmental Impact Assessment (EIA). One of the important elements of the EIA process is the submission of a ...
Persistent organic pollutants (POPs) associated with a platinum mine in the Limpopo Province, South Africa
(North-West University, 2005)
South Africa ratified the Stockholm Convention (SC), which became legally binding on 17 May 2004. This Convention targets 12 particularly toxic persistent organic pollutants (POPs) for virtual elimination. The Convention ...
Evaluation of the effects of atrazine exposure on Xenopus laevis in South Africa
(North-West University (South Africa), 2003)
It has been reported that exposure of Xenopus laevis to atrazine in laboratory
studies increase the incidence of intersex gonads and induced changes in
plasma testosterone concentrations. However, the response to atrazine ...