Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Van Rooyen, M.W. (Margaretha W.), 1950-"
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Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Van Rooyen, M.W. (Margaretha W.), 1950-"
Now showing items 1-20 of 28
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(University of Pretoria, 2013)An assessment of the natural resources on Chapungu Ranch, Zimbabwe, was undertaken for the purpose of incorporating this ranch into the larger Sango Ranch. The geological description was based on literature, whilst the ...
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(University of Pretoria, 2006-08-11)Please read the abstract/summary in the section, 00front/07back, of this document.
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(University of Pretoria, 1992)The effect of competitive stress was studied in two key grass species, Athephora pubescens Nees ecotype VH20 and Eragrostis curvula (Schrad.) Nees cultivar Ermelo. Increasing competition resulted in a decrease in the total ...
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(University of Pretoria, 2006-05-19)The purpose of the current research project was to undertake a thorough quantitative and qualitative survey of the vegetation on Ngamba Island. Based on the results of this survey suggestions are made for future management ...
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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, 2007-02-01)This study was done in the communal area surrounding Makoko village and in the adjacent conservation area within the Kruger National Park, Mpumalanga province, South Africa. The structure of the woody vegetation within the ...
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(University of Pretoria, 2012)The study evaluated the extent and threat of bark harvesting of plant species for medicinal purposes in the Venda region and investigated possibilities of the sustainability of these practices. Approximately 30% of the ...
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(University of Pretoria, 2006-12-07)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2007-10-03)The present study was conducted on Ezemvelo Nature Reserve in the highveld grasslands of South Africa. The evidence for ecological separation between the black and blue wildebeest was investigated in an area with suboptimal ...
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(University of Pretoria, 2009-05-11)Please read the abstract in the section 10back of this document
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(University of Pretoria, 2010-03-01)Ecological monitoring is an integral part of the ecological active adaptive management of wildlife reserves. The present study was conducted as an initial trial of a holistic ecological monitoring programme for Mabula Game ...
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(University of Pretoria, 2007-04-02)The commercial harvesting of Phragmites australis reeds in the Tembe Elephant Park, Maputaland, KwaZulu-Natal was investigated to determine the impact of reed use on the Muzi Swamp. The reed quality in the harvesting areas ...
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(University of Pretoria, 2007)Springbok Antidorcas marsupialis ecology was examined on the South African side of the Kgalagadi Transfrontier Park in the Kalahari, with the use of public questionnaires and field forms. Statistically significant differences ...
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A functional analysis of the response of the Southern Kalahari dune vegetation to land-use intensity (University of Pretoria, 2011-11-18)Natural and anthropogenic environmental variables pressures exert fitness pressures on our flora and vegetation and necessitate an understanding of the mechanisms of plant responses to those pressures. Overgrazing and ...
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(University of Pretoria, 2010-03-29)This study focuses on certain urban forestry aspects of the City of Tshwane (previously Pretoria) and in particular that of growth rate and carbon sequestration estimates of street trees with the aim of quantification of ...
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(University of Pretoria, 2008-07-03)This study presents an exploration of the structure, dynamics and utilisation of woody plants in vegetation units of northern Maputaland. Animal (in Tembe Elephant Park) and human (in the rural community of Manqakulane) ...
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(University of Pretoria, 1996)Namaqualand presents tourists with massive floral displays of species at high densities in disturbed areas. Understanding the interactions and functioning of these species is necessary for optimal utilization and management. ...
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(University of Pretoria, 2012)The African Elephant is a key component of the savanna ecosystem. They contribute to the generation of habitat for smaller vertebrates, as well as invertebrates, by the breaking of branches or uprooting of trees. Elephants ...
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Long-term monitoring of vegetation dynamics in the Goegap Nature Reserve, Namaqualand, South Africa (University of Pretoria, 2010-11-12)Namaqualand is a semi-desert area situated in the winter rainfall region of South Africa hosting the world’s richest succulent flora, and is one of only two arid areas to classify as a global hotspot of biodiversity. The ...
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(University of Pretoria, 2005-02-18)Namaqualand is world renowned for its mass displays of annual wildflowers occurring in highly disturbed areas. Leysera gnaphalodes is a short-lived perennial shrub that encroaches into this wildflower display, lessening ...
Now showing items 1-20 of 28