https://commons.ru.ac.za/vital/access/manager/Index en-us 5 An analysis of flood activity over the past century based on the sedimentary deposits in the Mfolozi floodplain https://commons.ru.ac.za/vital/access/manager/Repository/vital:26312 Wed 12 May 2021 23:48:07 SAST ]]> A unified data repository for rich communication services https://commons.ru.ac.za/vital/access/manager/Repository/vital:20974 Wed 12 May 2021 23:40:01 SAST ]]> The development of biodegradable aerogel scaffolds for the generation of vascularised 3D adipose tissue models https://commons.ru.ac.za/vital/access/manager/Repository/vital:27492 Wed 12 May 2021 23:07:32 SAST ]]> Nonlinear optical properties of Sn(IV) phthalocyanines: experimental and theoretical approach https://commons.ru.ac.za/vital/access/manager/Repository/vital:26996 Wed 12 May 2021 22:53:00 SAST ]]> Synthesis and evaluation of arylpyrrole-chalcone hybrids as antiplasmodial and antitrypanosomal agents https://commons.ru.ac.za/vital/access/manager/Repository/vital:28716 Wed 12 May 2021 22:51:53 SAST ]]> Appropriate integration of workers with physical limitations into a manual workplace – development of an assessment tool https://commons.ru.ac.za/vital/access/manager/Repository/vital:21368 Wed 12 May 2021 22:42:13 SAST ]]> The effect of carbohydrate on dusky kob, Argyrosomus japonicus, fed pelleted diets https://commons.ru.ac.za/vital/access/manager/Repository/vital:25450 Wed 12 May 2021 22:39:29 SAST ]]> Comparative localization studies of P.falciparum ADP-ribosylation factor proteins in P.falciparum parasites and hela cells using GFP tagged constructs https://commons.ru.ac.za/vital/access/manager/Repository/vital:20519 Wed 12 May 2021 22:26:56 SAST ]]> The pest status and integrated management programme of carob moth, Ectomyelois ceratoniae Zeller, attacking citrus in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:21293 Wed 12 May 2021 22:23:56 SAST ]]> Inhalable particulate systems for anti-tubercular drug delivery https://commons.ru.ac.za/vital/access/manager/Repository/vital:24720 Wed 12 May 2021 20:53:01 SAST ]]> Biogeomorphic aspects of lichen colonisation in part of western Dronning Maud Land, Antarctica https://commons.ru.ac.za/vital/access/manager/Repository/vital:22477 Wed 12 May 2021 20:35:23 SAST ]]> Modelling water quality : complexity versus simplicity https://commons.ru.ac.za/vital/access/manager/Repository/vital:20721 Wed 12 May 2021 20:31:21 SAST ]]> The effects of the type of rest breaks on return-to-task performance in semi-automated tasks with varying complexities https://commons.ru.ac.za/vital/access/manager/Repository/vital:25412 Wed 12 May 2021 19:59:10 SAST ]]> Assessing MODIS evapotranspiration data for hydrological modelling in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:21334 Wed 12 May 2021 19:58:32 SAST ]]> The identification of key vulnerability components within Solomon Islands coastal communities https://commons.ru.ac.za/vital/access/manager/Repository/vital:21184 Wed 12 May 2021 19:47:48 SAST ]]> A bulk and fraction-specific geochemical study of the origin of diverse high-grade hematitic iron ores from the Transvaal Supergroup, Northern Cape Province, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:25998 Wed 12 May 2021 19:35:48 SAST ]]> Interactions between two biological control agents released on Pereskia aculeata Miller (Cactaceae), in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:21327 Wed 12 May 2021 19:29:44 SAST ]]> Investigation of the potency of topical corticosteroids using the vasoconstrictor assay https://commons.ru.ac.za/vital/access/manager/Repository/vital:28717 Wed 12 May 2021 19:14:22 SAST ]]> Cardiovascular disease risk in Black and Caucasian females: an Eastern Cape sample https://commons.ru.ac.za/vital/access/manager/Repository/vital:25021 Wed 12 May 2021 19:13:27 SAST ]]> Abalone stock enhancement at Cape Recife, Eastern Cape Province of South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:25532 Wed 12 May 2021 19:09:05 SAST ]]> The sedimentology and depositional model of VS5 reef at Beatrix mine and surrounding areas of the Freestate Goldfield, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:20745 1500 cmg/t. The improved understanding of the VS5 lithofacies made it possible to predict gold mineralization and aid planning to mine into viable VS5 areas.]]> Wed 12 May 2021 18:59:45 SAST ]]> A stratigraphic, petrographic and geochemical study of the gamagara formation at the maremane dome, Northern Cape province, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:20711 Wed 12 May 2021 18:56:43 SAST ]]> Density-dependent effects on body size, Philopatry, and dispersal in the Damaraland mole-rat (Fukomys damarensis) https://commons.ru.ac.za/vital/access/manager/Repository/vital:25993 Wed 12 May 2021 18:54:50 SAST ]]> Formulation, development and evaluation of lipid nanocarriers for minocycline hydrochloride https://commons.ru.ac.za/vital/access/manager/Repository/vital:28712 Wed 12 May 2021 18:32:08 SAST ]]> Synthesis, characterisation and evaluation of novel ferrocene-thiazole derivatives as antiplasmodial agents https://commons.ru.ac.za/vital/access/manager/Repository/vital:20807 Wed 12 May 2021 17:46:03 SAST ]]> The effects of a lion (Panthera Leo) re-introduction on a resident cheetah (Acinonyx Jubatus) population In Mountain Zebra National Park, Eastern Cape, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:21259 10 kg) carnivores has resulted in a variety of conservation measures being put into practice to prevent extinctions. The establishment of predator-proof fences around protected areas has been a successful tool for reducing human-predator conflict. Furthermore, the re-introduction of large carnivores into small (< 1 000 km²), enclosed reserves has aided in the conservation of many species. Cheetahs (Acinonyx jubatus) and lions (Panthera leo) have benefitted from such re-introductions. The re-introduction of cheetahs before lions into the Mountain Zebra National Park (MZNP) in the Eastern Cape Province of South Africa provided a unique opportunity to study the effects of lions on an already established cheetah population. Spatial data were downloaded remotely from GPS collared individuals (n=4) and cheetah kill data were collected using the GPS cluster method before (2012-2013) and after (2013-2014) the lion (n=3) re-introduction. The same methods were used for lion kill data collection once they had been re-introduced. In general, cheetah home range size did not change after the lion re-introduction. Cheetahs selected areas with a combination of open and closed vegetation covers, while lions selected either open or closed areas of vegetation covers. In addition, as vegetation cover became thicker, the presence of cheetahs decreased. The cheetahs preyed upon seven species before and 11 species after the lion re-introduction. Medium sized prey comprised the bulk of the cheetah diet with kudu (Tragelaphus strepsiceros) and springbok (Antidorcas marsupialis) being the preferred species both before and after the lion re-introduction. The lion diets consisted of medium to large sized prey, with the male lions selecting eland (Tragelaphus oryx) and buffalo (Syncerus caffer) and the lioness selecting red hartebeest (Alcelaphus buselaphus). The cheetahs had no significant dietary overlap with the lions and there was only one record of kleptoparasitism. The results of my study indicate that cheetahs are able to co-exist with lions when lions are at low densities in an enclosed reserve. The cheetahs did not experience landscape-level displacement because they made fine-scale adjustments to avoid lions within their environment. This adaptability may have important management implications for future re-introductions of cheetahs into enclosed game reserves.]]> Wed 12 May 2021 17:37:06 SAST ]]> A meteorological analysis of extreme flood events in the southern parts of the Eastern Cape, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:25996 Wed 12 May 2021 17:32:01 SAST ]]> Ionospheric disturbances during magnetic storms at SANAE https://commons.ru.ac.za/vital/access/manager/Repository/vital:26639 Wed 12 May 2021 17:31:19 SAST ]]> The ecological impacts of pollution on a river ecosystem: a community index and stable isotope approach https://commons.ru.ac.za/vital/access/manager/Repository/vital:21331 Wed 12 May 2021 17:14:53 SAST ]]> Invasion status and potential impacts of bluegill Lepomis macrochirus Rafinesque, 1819 in the Kariega River, Eastern Cape, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:21276 Wed 12 May 2021 17:11:02 SAST ]]> In silico analysis of plasmodium falciparum Hsp70-x for potential binding sites and hits https://commons.ru.ac.za/vital/access/manager/Repository/vital:27435 Wed 12 May 2021 16:40:58 SAST ]]> Photophysical studies of conjugates of upconversion nanoparticles with aluminium phthalocyanines https://commons.ru.ac.za/vital/access/manager/Repository/vital:20747 Wed 12 May 2021 16:34:53 SAST ]]> Reliability analysis: assessment of hardware and human reliability https://commons.ru.ac.za/vital/access/manager/Repository/vital:21077 Wed 12 May 2021 16:34:08 SAST ]]> Chemical composition of leaf essential oils of Lantana camara varieties in South Africa and their effect on the behavioural preference of Falconia intermedia https://commons.ru.ac.za/vital/access/manager/Repository/vital:20739 Wed 12 May 2021 16:21:32 SAST ]]> Photosynthetic and growth responses of C3 and C4 grasses to short- duration sunflecks and resultant consequences for their performance in understory environments https://commons.ru.ac.za/vital/access/manager/Repository/vital:20753 Wed 12 May 2021 16:20:45 SAST ]]> Synthesis, characterisation and evaluation of novel ferrocene-thiazole derivatives as antiplasmodial agents https://commons.ru.ac.za/vital/access/manager/Repository/vital:31232 Wed 12 May 2021 16:19:18 SAST ]]> The development, manufacture and characterisation of niosomes intended to deliver nevirapine to the brain https://commons.ru.ac.za/vital/access/manager/Repository/vital:28715 Wed 12 May 2021 16:17:31 SAST ]]> Automation of source-artefact classification https://commons.ru.ac.za/vital/access/manager/Repository/vital:20743 Wed 12 May 2021 16:10:45 SAST ]]> Characterisation, antimalarial and biological activities of secondary metabolites from leaves of anonidium mannii https://commons.ru.ac.za/vital/access/manager/Repository/vital:20725 Wed 12 May 2021 15:59:34 SAST ]]> Assessing the physical fitness level of children with intellectual disability in the Grahamstown region of the Eastern Cape, and subsequently designing, implementing and evaluating the efficacy of an exercise intervention https://commons.ru.ac.za/vital/access/manager/Repository/vital:22478 Wed 12 May 2021 15:58:35 SAST ]]> Identification of SNPs within the CYP2A6 enzyme of TNBC cell lines and the resulting change in activity https://commons.ru.ac.za/vital/access/manager/Repository/vital:28536 Wed 12 May 2021 15:52:54 SAST ]]> Patterns of plant diversity and cultural meaning in a rural landscape in the Albany Thicket: effects of land-use and topography https://commons.ru.ac.za/vital/access/manager/Repository/vital:25969 Wed 12 May 2021 15:50:25 SAST ]]> Development and validation of an In Vitro Release Test (IVRT) to investigate the release of miconazole nitrate from topical cream formulations https://commons.ru.ac.za/vital/access/manager/Repository/vital:28711 Wed 12 May 2021 15:47:48 SAST ]]> Stochastic models in finance https://commons.ru.ac.za/vital/access/manager/Repository/vital:40976 Wed 12 May 2021 14:02:26 SAST ]]> Post-release evaluation of the biological control programme against Cereus jamacaru De Candolle (Cactaceae), in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:21330 Tue 15 Aug 2023 11:29:32 SAST ]]> Taste masking of clarithromycin with ion exchange resins https://commons.ru.ac.za/vital/access/manager/Repository/vital:28701 Tue 10 Jul 2018 16:05:19 SAST ]]> Early stage ichthyofauna from shallow water habitats of the Angola-Benguela frontal zone https://commons.ru.ac.za/vital/access/manager/Repository/vital:25988 Thu 29 Sep 2022 14:20:40 SAST ]]> The response of microalgal biomass and community composition to the chemical and physical dynamics of two Eastern Cape estuaries https://commons.ru.ac.za/vital/access/manager/Repository/vital:20751 Thu 13 May 2021 12:51:24 SAST ]]> Diurnal and nocturnal activity patterns and habitat use of Algoa Bay’s rocky reef fish community https://commons.ru.ac.za/vital/access/manager/Repository/vital:25445 Thu 13 May 2021 08:50:20 SAST ]]> Missing values: a closer look https://commons.ru.ac.za/vital/access/manager/Repository/vital:20798 Thu 13 May 2021 08:47:17 SAST ]]> Evaluation of low-cost technology options for sustainable water supply and sanitation in two peri-urban areas of Lusaka, Zambia: opportunities and constraints https://commons.ru.ac.za/vital/access/manager/Repository/vital:21328 Thu 13 May 2021 08:20:28 SAST ]]> Progress in implementing the ecosystem approach to fisheries in South Africa in principle and in practice https://commons.ru.ac.za/vital/access/manager/Repository/vital:25449 Thu 13 May 2021 08:12:15 SAST ]]> Antimalarial secondary metabolites from Morinda lucida https://commons.ru.ac.za/vital/access/manager/Repository/vital:25535 Thu 13 May 2021 07:33:28 SAST ]]> Preparation and evaluation of captopril - ion exchange resin complexes https://commons.ru.ac.za/vital/access/manager/Repository/vital:27441 Thu 13 May 2021 07:08:53 SAST ]]> The influence of environmental variability on the catch of chokka, Loligo reynaudii, off the coast of South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:24013 Thu 13 May 2021 06:58:11 SAST ]]> Synthesis and bioassay of rationally designed DXR inhibitors as potential antimalarial lead compounds https://commons.ru.ac.za/vital/access/manager/Repository/vital:20740 Thu 13 May 2021 06:56:45 SAST ]]> Population genomics analysis of yellowfin tuna Thunnus albacares off South Africa reveals need for a shifted management boundary https://commons.ru.ac.za/vital/access/manager/Repository/vital:26992 Thu 13 May 2021 06:38:26 SAST ]]> Ecosystem engineering by the wetland plant palmiet: does it control fluvial form and promote diffuse flow in steep-sided valleys of the Cape Fold Mountains https://commons.ru.ac.za/vital/access/manager/Repository/vital:20708 Thu 13 May 2021 06:34:53 SAST ]]> Phenomenology: preconceptions and experiences of non-chemists at Rhodes University using milk paint https://commons.ru.ac.za/vital/access/manager/Repository/vital:24711 Thu 13 May 2021 06:22:30 SAST ]]> The socio-economic contribution of non-timber forest product trade to households in four villages in Zomba and Machinga Districts, Malawi https://commons.ru.ac.za/vital/access/manager/Repository/vital:20724 Thu 13 May 2021 06:14:36 SAST ]]> Real-time audio spectrum analyser research, design, development and implementation using the 32 bit ARMR Cortex-M4 microcontroller https://commons.ru.ac.za/vital/access/manager/Repository/vital:25997 Thu 13 May 2021 06:12:17 SAST ]]> The effect of shade on the biological control of Salvinia molesta D.S. Mitchell [Salviniaceae] by the weevil, Cyrtobagous salviniae Calder and Sands [Curculionidae] https://commons.ru.ac.za/vital/access/manager/Repository/vital:20726 Thu 13 May 2021 05:55:16 SAST ]]> Mineralogical variation in the basal Upper Zone, Bushveld Igneous Complex, South Africa: implications for ore genesis and mineral extraction https://commons.ru.ac.za/vital/access/manager/Repository/vital:20762 Thu 13 May 2021 05:36:14 SAST ]]> MEQSILHOUETTE: a mm-VLBI observation and signal corruption simulator https://commons.ru.ac.za/vital/access/manager/Repository/vital:25019 Thu 13 May 2021 05:32:08 SAST ]]> The effect of different seating conditions, in aircrafts, on passenger comfort and the use of cabin space https://commons.ru.ac.za/vital/access/manager/Repository/vital:22479 Thu 13 May 2021 05:26:23 SAST ]]> Improving the cold tolerance of false codling moth, thaumatotibia leucotreta, for better performance in a sterile insect release programme https://commons.ru.ac.za/vital/access/manager/Repository/vital:20803 Thu 13 May 2021 05:25:23 SAST ]]> The effect of total standing duration during sit-stand regimes on cognitive performance, rating of perceived exertion and heart rate frequency https://commons.ru.ac.za/vital/access/manager/Repository/vital:21260 Thu 13 May 2021 05:19:41 SAST ]]> The interaction of selected bacteria with tailored electrospun fibres: towards future applications in bioremediation, bacterial inactivation and electricity generation https://commons.ru.ac.za/vital/access/manager/Repository/vital:28693 Thu 13 May 2021 05:17:29 SAST ]]> Molecular cloning and expression of equine CYP1A2 in Escherichia coli https://commons.ru.ac.za/vital/access/manager/Repository/vital:20734 Thu 13 May 2021 05:08:47 SAST ]]> Spectroscopic and electrochemical characterization of thio binuclear phthalocyanine complexes https://commons.ru.ac.za/vital/access/manager/Repository/vital:27541 Thu 13 May 2021 04:56:35 SAST ]]> Calibration and imaging with variable radio sources https://commons.ru.ac.za/vital/access/manager/Repository/vital:24721 Thu 13 May 2021 04:51:42 SAST ]]> An investigation into the origin and evolution of the Tierkloof Wetland, a peatland dominated by Prionium serratum, in the Western Cape https://commons.ru.ac.za/vital/access/manager/Repository/vital:26311 Thu 13 May 2021 04:29:35 SAST ]]> Evolution of Fe-Ti-V oxides from the main magnetite layer, Upper Zone, Bushveld Complex, South Africa: a comparison across the Western, Northern and Eastern Lobes https://commons.ru.ac.za/vital/access/manager/Repository/vital:21248 Thu 13 May 2021 04:27:28 SAST ]]> A case-control approach to assess variability in distribution of distance between transcription factor binding site and transcription start site https://commons.ru.ac.za/vital/access/manager/Repository/vital:20808 Thu 13 May 2021 04:26:39 SAST ]]> Structural analysis of proteases from South African HIV-1 (subtype C) patients undergoing Lopinavir treatment, using comparative modeling, ligand-docking and molecular dynamics https://commons.ru.ac.za/vital/access/manager/Repository/vital:20744 Thu 13 May 2021 03:51:11 SAST ]]> Synthesis and physicochemical evaluation of a series of boron dipyrromethene dye derivatives for potential utility in antimicrobial photodynamic therapy and nonlinear optics https://commons.ru.ac.za/vital/access/manager/Repository/vital:20723 Thu 13 May 2021 03:49:32 SAST ]]> Linking livelihood and ecosystem change in two dryland sites in Southern Africa over a period of 30 years https://commons.ru.ac.za/vital/access/manager/Repository/vital:20732 Thu 13 May 2021 03:08:28 SAST ]]> Spectroscopic and nonlinear optical characterisation of alpha substituted binuclear phthalocyanines https://commons.ru.ac.za/vital/access/manager/Repository/vital:20757 Thu 13 May 2021 03:07:54 SAST ]]> Characterization of the distribution of platinum group elements in sulphide ores within the Merensky Reef at Modikwa and Two Rivers Platinum Mines, Eastern Bushveld Complex, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:21326 Thu 13 May 2021 03:05:11 SAST ]]> Browsing as a demographic bottleneck in a semi-arid savanna: the effect of size and age on compensatory responses of Vachellia karroo seedlings after simulated herbivory https://commons.ru.ac.za/vital/access/manager/Repository/vital:20741 9 mm in stem basal diameter (SBD)). Browsing had a strong negative effect on seedlings, resulting in reduced investment in leaf biomass. These findings suggest plant size and age can be used as robust predictors of a plants vulnerability to browsing. An increase in tree cover requires successful transitions of seedlings to saplings (also known as release). The results of this study suggest that in semi-arid savannas, browsing can impact tree cover through imposing a release bottleneck for tree seedlings and to lesser extent saplings. By limiting tree growth plants are kept in a disturbance trap and will therefore be exposed to not only browsers but fire. These findings also have important implications for tree-grass coexistence dynamics, suggesting that specific size and browsing thresholds should be considered in savanna management.]]> Thu 13 May 2021 03:02:45 SAST ]]> Revising the distribution of mangrove forests in South Africa and changes in growth of mangrove species along a latitudinal gradient https://commons.ru.ac.za/vital/access/manager/Repository/vital:21271 Thu 13 May 2021 02:49:09 SAST ]]> The relationship between OCT4 and an aggressive phenotype in triple negative breast cancer (TNBC) https://commons.ru.ac.za/vital/access/manager/Repository/vital:27477 Thu 13 May 2021 02:25:16 SAST ]]> Assessing selected ecosystem services in urban green spaces in Bulawayo, Zimbabwe https://commons.ru.ac.za/vital/access/manager/Repository/vital:20982 Thu 13 May 2021 02:08:17 SAST ]]> Mineralogy and geochemistry of structurally-controlled metasomatic alteration of carbonate-rich manganese ore at Mamatwan Mine, Kalahari Manganese Field https://commons.ru.ac.za/vital/access/manager/Repository/vital:20715 Thu 13 May 2021 02:01:36 SAST ]]> The development of techniques for the identification of novel viruses associated with acute infantile gastroenteritis in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:24725 Thu 13 May 2021 01:59:17 SAST ]]> Exploring the suitability of causal loop diagrams to assess the value chains of aquatic ecosystem services: a case study of the Baviaanskloof, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:20742 Thu 13 May 2021 01:52:58 SAST ]]> Post-release evaluation and thermal physiology of the Pereskia stem-wilter, Catorhintha schaffneri (Coreidae), a new biological control agent for Pereskia aculeata (Cactaceae) https://commons.ru.ac.za/vital/access/manager/Repository/vital:24477 Thu 13 May 2021 01:30:35 SAST ]]> Release success of captive bred Cape Vultures (Gyps coprotheres) in the Magaliesberg Mountains, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:20720 3100 m were recorded, their flight skills seemed inadequate. Future management considerations include the initiation of a pre-release exercise regime, the establishment of an acclimatization enclosure removed from the breeding site, and a varied or reduced post-release feeding schedule. Fledglings should be relocated and housed at the release enclosure until they are four years old.]]> Thu 13 May 2021 00:49:15 SAST ]]> Regulation of cell biology by extracellular species of the Hsp90- Hsp70 organising protein (Hop) https://commons.ru.ac.za/vital/access/manager/Repository/vital:27465 Thu 13 May 2021 00:47:31 SAST ]]> Quantifying degraded subtropical thicket structure and composition: a multi-scale approach in the Eastern Cape, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:20804 Thu 13 May 2021 00:42:22 SAST ]]> Perceptions and livelihood uses of an invasive alien tree (acacia dealbata) by rural communities in the Eastern Cape https://commons.ru.ac.za/vital/access/manager/Repository/vital:20813 Thu 13 May 2021 00:33:50 SAST ]]> Assessing the potential impact of climate change in the south-eastern Great Escarpment, Southern Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:20709 Thu 13 May 2021 00:30:24 SAST ]]> Characterization of the Mitochondrial Plasmodium falciparum heat shock protein 70 https://commons.ru.ac.za/vital/access/manager/Repository/vital:25408 Thu 13 May 2021 00:20:11 SAST ]]> The effect of submersion in water and breathing modality (assisted breathing and apnea) on different stages of the information processing chain https://commons.ru.ac.za/vital/access/manager/Repository/vital:21261 Thu 13 May 2021 00:15:56 SAST ]]> Synthesis and photophysical studies of crown ether-bodipy dyes and the fabrication of bodipy embedded fluorescent nanofibers https://commons.ru.ac.za/vital/access/manager/Repository/vital:20746 Thu 13 May 2021 00:15:29 SAST ]]> Oxygen limitation and thermal tolerance: a comparison of pulmonate and patellogastropod limpets https://commons.ru.ac.za/vital/access/manager/Repository/vital:21274 slopes> vertical surfaces> tide pools> crevices. The current study found that, while the pulmonate limpets, Siphonaria capensis and S. serrata, preferred rock pools, sloped, vertical and horizontal rock surfaces, the patellogastropod limpets, Cellana capensis and Scutellastra granularis, preferred rock pools and vertical rock surfaces. Furthermore, the pulmonate limpets were only common on horizontal rock surfaces where specific ameliorating conditions would have mitigated thermal stress there. In addition, C. capensis had similar thermal tolerance limits to the pulmonate limpets in air and the pulmonate limpets had similar and/or higher thermal tolerance limits compared to S. granularis in water. This indicates that the pulmonate limpets did not necessarily prefer warmer microhabitats than the patellogastropod limpets and that there were no differences in the collective upper thermal tolerance limits between the two limpet groups in either medium.Consequently, there was no indication from this study that an assumed superior capacity for oxygen supply translates into greater thermal tolerance and that the hypotheses based on the OCLTT were not supported. Although this was an indirect test of the OCLTT theory, I conclude that this study does not support the notion of its general applicability and that mechanisms other than those outlined by the OCLTT theory may help explain the patterns of thermal limitation observed in the current study.]]> Thu 13 May 2021 00:11:29 SAST ]]> The potential of hydrellia egeriae rodrigues (diptera: ephydridae) as a biocontrol agent for egeria densa planch. (hydrocharitaceae) in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:26314 Thu 13 May 2021 00:01:00 SAST ]]> Mineralogical and geochemical constraints on the origin, alteration history and metallogenic significance of the Manganore iron-formation, Northern Cape Province, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:28702 Mon 29 Jan 2024 14:44:58 SAST ]]> A risk-based framework for new products: a South African telecommunication’s study https://commons.ru.ac.za/vital/access/manager/Repository/vital:20722 Mon 12 Jun 2023 15:48:52 SAST ]]> The role of protected areas in the conservation and management of fisheries in the Chobe District of Botswana https://commons.ru.ac.za/vital/access/manager/Repository/vital:21262 Mon 12 Jun 2023 12:17:56 SAST ]]>