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- Browsing Theses and Dissertations (Zoology and Entomology) by Title
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Browsing Theses and Dissertations (Zoology and Entomology) by Title
Now showing items 1-20 of 405
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(University of Pretoria, 2013)Genetic parameters such as genetic variability, gene flow, relatedness and migration were determined between two South African coastal delphinid species, Cephalorhynchus heavisidii (Heaviside’s dolphin) and Tursiops aduncus ...
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(University of Pretoria, 2007-09-19)Field-based mesocosm studies may be used as conceptual experiments to examine theoretical questions using the generated empirical data. A field-based Drosophilidae-nectarine mesocosm, comprising sun and shaded microclimate ...
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(University of Pretoria, 2011-02-09)Killer whales are the oceans’ apex predator and are known to have important effects on ecosystems. At Subantarctic Marion Island, southern Indian Ocean, they have only been studied opportunistically, resulting in limited ...
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(University of Pretoria, 2018)With catches of over 360,000 individuals, Antarctic blue whales Balaenoptera musculus intermedia were harvested to near extinction by commercial whaling in the past century. Antarctic blue whales are an important ecological ...
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(University of Pretoria, 2010-04-26)Please read the abstract in the section 00front of this document
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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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African swine fever virus maintenance and transmission dynamics in the sylvatic Ornithodoros vector (University of Pretoria, 2017)African swine fever (ASF) is a highly contagious and fatal haemorrhagic viral disease of domestic pigs caused by a large, DNA arbovirus with a genome ranging from 170 to 190 kbp in length, the African swine fever virus ...
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(University of Pretoria, 2013-11)Although protected areas have been used as principal conservation tools, most of them are suffering from human-induced threats. Consequently, a good understanding of such human-driven threats on biodiversity and identifying ...
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(University of Pretoria, 2008)The elephant debate deals largely with population size, how elephant numbers change over time, how they may affect vegetation, and how their populations should be managed. Trends in elephant numbers frequently motivate ...
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(University of Pretoria, 2007-08-16)The discovery of the honeybee-specific ectoparasitic mite Varroa destructor in South Africa in October 1997 raised the spectre of massive honeybee colony losses as has occurred in most parts of the world where the varroa ...
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(University of Pretoria, 2005-05-19)The structuring of ant assemblages in a Southern African savanna was investigated using data from the only long-term, large-scale savanna fire experiment in Africa. A comprehensive survey of three habitats in the Kruger ...
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(University of Pretoria, 2014-07)Patterns of invertebrate species richness and body size across elevational gradients have been well-documented in a variety of studies. However, very little is known about the factors that govern these patterns along ...
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(University of Pretoria, 2017)Human population growth generally causes carnivore declines. The rapid expansion of urban landscapes creates both biotic and abiotic changes that are known to negatively impact carnivore populations (Šálek, Drahníková & ...
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(University of Pretoria, 2008-08-19)The systematic status and geographic distribution of spiny mice of the genus Acomys I. Geoffroy, 1838 in northern Tanzania is uncertain. This study assesses the systematic and geographic distribution of Acomys from northern ...
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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, 2009-12-08)Invasive alien species are considered the second greatest threat to global biodiversity after habitat loss. South Africa is not immune from such threats and it is estimated that 10 million ha (8.28%) of land has been invaded ...
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(University of Pretoria, 2007-07-03)African mole-rats (Bathyergidae) exhibit a wide range of social structures ranging from solitary to eusocial. This allows for studies looking at links between sociality and measurable characteristics such as spatial learning ...
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(University of Pretoria, 2014)This thesis investigates a number of aspects of the biology of the East African root rat, Tachyoryctes splendens (Rüppell, 1835) and provides important information currently depauperate in the literature. These aspects ...
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(University of Pretoria, 1973)The study set out to determine some of the bioecological relationships of the sable antelope Hippotragus niger niger (Harris, 1838) in the Rhodes Matopos National Park, Rhodesia. The vegetation of the area is divided into ...
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(University of Pretoria, 2007-11-08)Please read the abstracts included at the beginning of chapters 2 to 5, of this document
Now showing items 1-20 of 405