• A review of the family Alycidae (Acari, Acariformes) from South Africa 

  Uusitalo, Matti; Ueckermann, Edward A.; Theron, Pieter D. (Magnolia Press, 2020)

  A taxonomic study of the family Alycidae G. Canestrini & Fanzago in South Africa revealed nine species of which seven are new to science: Alycus augrabiensis sp. nov., Pachygnathus nasutus sp. nov., Amphialycus acaciae sp. ...
• Eye to eye: classification of conjunctival sac polystomes (Monogenea: Polystomatidae) revisited with the description of three new genera Apaloneotrema n. g., Aussietrema n. g. and Fornixtrema n. g. 

  Du Preez, Louis H.; Verneau, Olivier (Springer, 2020)

  Polystomes (Monogenea: Polystomatidae) of freshwater turtles are currently represented by five genera, namely Neopolystoma, Polystomoides, Polystomoidella, Uropolystomoides and Uteropolystomoides. These parasites can infect ...
• Functional attributes and response of bacterial communities to nature-based fertilization during hydrocarbon remediation 

  Obieze, Chinedu Christopher; Adeleke, Rasheed; Chikere, Chioma Blaise; Selvarajan, Ramganesh; Ntushelo, Khayalethu (Elsevier, 2020)

  This study offers a Nature-based Solutions (NbS) for the recovery of long-term oil-polluted soils. An NPK-type substituted organic fertilizer (SOF) was formulated using available nature-based materials, and its effect on ...
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  Perovskite photodetectors based on p-i-n junction with epitaxial electron-blocking layers 

  Xu, Yubing; Elemike, Elias Emeka; Wang, Xin; Pan, Yuzhu; Li, Yuwei (Frontiers Media, 2020)

  Organic-inorganic hybrid perovskite single crystals (PSCs) have been emerged as remarkable materials for some optoelectronic applications such as solid-state photodetectors, solar cells and light emitting diodes due to ...
• Fungal mycoflora associated with Busseola fusca frass in maize plants 

  Ncube, E.; Flett, B.C.; Van den Berg, J.; Truter, M.; Erasmus, A. (BioOne, 2020)

  Busseola fusca and Fusarium verticillioides are considered the most important pest and pathogen, respectively, of maize in South Africa. Busseola fusca tunnels into stems and ears of maize plants, whereas F. verticillioides ...
• Pathogenicity of Beauveria bassiana (Hypocreales: Cordycipitaceae) against the Russian wheat aphid, Diuraphis noxia (Hemiptera: Aphididae) 

  Motholo, L.F.; Thekisoe, O.M.M.; Booyse, M.; Hatting, J.L.; Tsilo, T.J. (BioOne, 2020)

  Two South African Beauveria bassiana (Balsamo) Vuillemin (Hypocreales: Cordycipitaceae) strains, PPRI 7598 (non-commercial) and PPRI 7861 (commercial), were compared for virulence against the Russian wheat aphid (RWA), ...
• On the generation of compressible mirror-mode fluctuations in the inner heliosheath 

  Fichtner, Horst; Engelbrecht, N. Eugene; Kleimann, Jens; Yoon, Peter H.; Scherer, Klaus (IOP Publishing, 2020)

  Measurements made with the Voyager 1 spacecraft indicate that significant levels of compressive fluctuations exist in the inner heliosheath. Some studies have already been performed with respect to the mirror-mode instability ...
• Radio afterglows of very high-energy gamma-ray bursts 190829A and 180720B 

  Rhodes, L.; Böttcher, M.; Van der Horst, A.J.; Fender, R.; Monageng, I.M. (Oxford Univ Press, 2020)

  We present high-cadence multifrequency radio observations of the long gamma-ray burst (GRB) 190829A, which was detected at photon energies above 100 GeV by the High Energy Stereoscopic System (H.E.S.S.). Observations with ...
• Periodicity in recurrent fast radio bursts and the origin of ultralong period magnetars 

  Beniamini, Paz; Wadiasingh, Zorawar; Metzger, Brian D. (Oxford Univ Press, 2020)

  The recurrent fast radio burst FRB 180916 was recently shown to exhibit a 16-d period (with possible aliasing) in its bursting activity. Given magnetars as widely considered FRB sources, this period has been attributed to ...
• Consumer's preference between farmed catfish and wild catfish in Swali, Yenagoa local government area of Bayelsa state, Niger delta 

  Alatari, Ngodigha Sabina; Roland, Gbarabe; Ebilade, Moroyei; Victor, Eleke Ezekiel (IJEES, 2020)

  The purpose of this study is to find out consumers preference between farmed catfish and wild catfish in Swali inYenegoa, Bayelsa State. Questionnaire was designed with both opened and closed ended questions and ...
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  Permeation enhancement effects of leaf materials from different aloe species on in vitro and ex vivo nasal epithelial models 

  Gerber, Werner; Steyn, Dewald; Kotzé, Awie; Svitina, Hanna; Weldon, Ché; Hamman, Josias (2020)

  Introduction: The nasal route of drug administration offers an alternative way for oral drug delivery and has the benefit of avoiding first-pass metabolism through drug delivery directly into the systemic circulation. The ...
• Information security education. Information security in action 

  Drevin, Lynette; Von Solms, Suné; Theocharidou, Marianthi (Springer, 2020)

  This book constitutes the refereed proceedings of the 13th IFIP WG 11.8 World Conference on Information Security Education, WISE 13, held in Maribor, Slovenia, in September 2020. The conference was held virtually due to ...
• Conspecific density and environmental complexity impact behaviour of turquoise killifish (Nothobranchius furzeri) 

  Thoré, Eli S.J.; Brendonck, Luc; Pinceel, Tom (Wiley, 2020)

  Fish models are essential for research in many biological and medical disciplines. With a typical lifespan of only 6 months, the Turquoise killifish (Nothobranchius furzeri) was recently established as a time‐ and ...
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  Evaluating environmental impact assessment report quality in South African national parks 

  Sandham, Luke A.; Huysamen, Carla; Retief, Francois P.; Morrison-Saunders, Angus; Bond, Alan J.; Pope, Jenny; Alberts, Reece C. (AOSIS, 2020)

  This research evaluates Environmental Impact Assessment (EIA) report quality for a selected sample of development projects in South African national parks. It applies an adapted version of an international EIA report quality ...
• Towards a deeper understanding of historic cosmic ray modulation during solar cycle 20 

  Engelbrecht, N. Eugene; Wolmarans, C.P. (Elsevier, 2020)

  Given recent successes in modelling the transport of cosmic rays (CRs) in the heliosphere from first principles, taking into account the behaviour of heliospheric turbulence quantities and their influence on the transport ...
• The ablation of gas clouds by blazar jets 

  Heil, Jonathan; Zacharias, Michael (EDP Sciences, 2020)

  Context. Flaring activity in blazars can last for vastly different timescales, and it may be the result of density enhancements in the jet flow that result from the intrusion of an interstellar cloud into the jet. Aims. ...
• Interspecies differences in cytochrome P450-mediated metabolism of neonicotinoids among cats, dogs, rats, and humans 

  Khidkhan, Kraisiri; Ikenaka, Yoshinori; Ichise, Takahiro; Nakayama, Shouta M.M.; Mizukawa, Hazuki (Elsevier, 2020)

  Neonicotinoid insecticides are used for agricultural and non-agricultural purposes worldwide. Pets are directly exposed to neonicotinoids in veterinary products and through environmental contamination. Cytochrome P450 (CYP) ...
• Macrobenthic communities in selected river-dominated estuaries in KwaZulu-Natal, South Africa: effects of contrasting environmental variables and seasonal flow changes 

  Vezi, Madonna S.; Wepener, Victor; Downs, Colleen T.; O"Brien, Gordon (CERF, 2020)

  Globally, estuaries are ecologically important, but many are threatened by anthropogenic activities. Macrozoobenthos organisms are suitable ecological indicators in estuaries because they can detect the effects of stress ...
• Exploring the acceleration mechanisms for particle injection and power-law formation during transrelativistic magnetic reconnection 

  Kilian, Patrick; Li, Xiaocan; Guo, Fan; Li, Hui (IOP Publishing, 2020)

  Magnetic reconnection in the relativistic and transrelativistic regimes is able to accelerate particles to hard power-law energy spectra f ∝ γ −p (approaching p = 1). The underlying acceleration mechanism that determines ...
• A comprehensive power spectral density analysis of astronomical time series. I. The Fermi-LAT gamma-ray light curves of selected blazars 

  Tarnopolski, Mariusz; Zywucka, Natalia; Marchenko, Volodymyr; Pascual-Granacio, Javier (IOP Publishing, 2020)

  We present the results of the Fermi-Large Area Telescope 10 yr long light curve (LC) modeling of selected blazars: six flat-spectrum radio quasars (FSRQs) and five BL Lacertae (BL Lacs), examined in 7, 10, and 14 day ...

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