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Browsing Zoology and Entomology by Title
Now showing items 1-20 of 2763
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A 20-year review of the status and distribution of African wild dogs (Lycaon pictus) in South Africa (Southern African Wildlife Management Association, 2020-02)South Africa is one of only seven countries with a viable population of African wild dogs (Lycaon pictus). The national population in 2017 was 372 adults and yearlings and comprised three subpopulations: 1) Kruger National ...
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(AOSIS Open Journals, 2018-09-27)Vegetation mapping of protected areas is a cornerstone of conservation worldwide. Established in 1928 and covering over 1.4 million hectares, Hwange National Park (HNP) is the largest natural reserve in Zimbabwe. In 1993, ...
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(PeerJ, 2021-01-11)The cause of deaths of 350 elephants in 2020 in a relatively small unprotected area of northern Botswana is unknown, and may never be known. Media speculations about it ignore ecological realities. Worse, they make ...
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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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(Southern African Wildlife Management Association, 2019)The aardwolf (Proteles cristata) is a unique, insectivorous species of the family Hyaenidae. It occupies a disjunct range in eastern and southern Africa and is possibly a remaining member of a historical dog-like hyaena ...
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(Wiley-Blackwell, 2012-09)Ticks are important vectors of pathogens of medical and veterinary importance worldwide. Despite their economic importance our current knowledge about the factors affecting tick prevalence and abundance in tropical and ...
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(Entomological Society of America, 2014)Plant morphological changes mediated by growth conditions are linked to changes in host preference of herbivores. Understanding how these morphological changes influence herbivore feeding is critical in the interpretation ...
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(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2021)The Antarctic blue whale Balaenoptera musculus intermedia was hunted to near extinction in the twentieth century. Current data on the abundance and distribution of the species are lacking owing to the difficulty and expense ...
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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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(Elsevier, 2023-02)Abundance and trait-driven processes have both been identified as potential mechanisms in determining the occurrence of species interactions. However, little is known about how these two mechanisms interact to determine ...
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(Inter-Research, 2011-05-05)Killer whales Orcinus orca are apex predators known to have important effects on marine ecosystems. A fundamental step towards understanding their role in ecosystems, and vital for their informed management and conservation, ...
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(Public Library of Science, 2020-10)Coastally distributed dolphin species are vulnerable to a variety of anthropogenic pressures, yet a lack of abundance data often prevents data-driven conservation management strategies from being implemented. We investigated ...
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(Wiley, 2022-06)Spatially synchronous fluctuations of animal populations have profound ecological consequences, especially in northern latitudes. Spatially coupled fluctuations are often seen in small rodent populations, albeit with ...
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(Nordic Council for Wildlife Research, 2020)Killer whales, Orcinus orca, are a cosmopolitan species with large ecological and demographic variation across populations. Population-specific demographic studies are, therefore, crucial in accurately assessing the status ...
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(BMC, 2021-05)BACKGROUND: Small-scale poultry farming plays a major role as a source of income for farmers through the sale of birds and eggs. Furthermore, in households’ poultry products are a valuable source of protein in the ...
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(Frontiers Media, 2019-11-15)Flavan-3-ols including the monomeric catechin and the polymeric proanthocyanidins (PAs) are abundant phenolic metabolites in poplar (Populus spp.) previously described to protect leaves against pathogen infection. However, ...
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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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(Elsevier, 2022-11)Anthropogenic underwater noise has been shown to negatively affect marine organisms globally; yet little to no noise research has been conducted in most African waters including South Africa's. This study aimed to ...
Now showing items 1-20 of 2763