Browsing Natural and Agricultural Sciences by Title

Browsing Natural and Agricultural Sciences by Title

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  • Pajoro, Alice; Biewers, Sandra; Dougali, Evangelia; Valentim, Felipe Leal; Mendes, Marta Adelina; Porri, Aimone; Coupland, George; Van de Peer, Yves; Van Dijk, Aalt D. J.; Colombo, Lucia; Davies, Brendan; Angenent, Gerco C. (Oxford University Press, 2014-09)
    Successful plant reproduction relies on the perfect orchestration of singular processes that culminate in the product of reproduction: the seed. The floral transition, floral organ development, and fertilization are ...
  • Maione, Luigi; Albarel, Frederique; Bouchard, Philippe; Gallant, Megan; Flanagan, Colleen A.; Bobe, Regis; Cohen-Tannoudji, Joelle; Pivonello, Rosario; Colao, Annamaria; Brue, Thierry; Millar, Robert P.; Lombes, Marc; Young, Jacques; Guiochon-Mantel, Anne; Bouligand, Jerome (Public Library of Science, 2013-07-25)
    Normosmic congenital hypogonadotropic hypogonadism (nCHH) is a rare reproductive disease leading to lack of puberty and infertility. Loss-of-function mutations of GNRH1 gene are a very rare cause of autosomal recessive ...
  • Le Roux, K.; Stewart, D.; Perrett, K.D,; Nel, Louis Hendrik; Kessels, J.A.; Abela-Ridder, Bernadette (World Health Organization, 2018-05)
    PROBLEM : Urbanization, large dog populations and failed control efforts have contributed to continuing endemicity of dog-mediated rabies in KwaZulu-Natal province, South Africa. APPROACH : From 2007 to 2014 we used a ...
  • Voupawoe, Garmie; Varkpeh, Roland; Kamara, Varney; Sieh, Sonpon; Traore, Abdallah; De Battisti, Cristian; Angot, Angelique; Loureiro, Luis Filipe L. de J.; Soumare, Baba; Dauphin, Gwenaelle; Abebe, Wolde; Coetzer, Andre; Scott, Terence Peter; Nel, Louis Hendrik; Blanton, Jesse; Dacheux, Laurent; Bonas, Simon; Bourhy, Herve; Gourlaouen, Morgane; Leopardi, Stefania; De Benedictis, Paola; Lechenne, Monique; Zinsstag, Jakob; Mauti, Stephanie (Elsevier, 2021-04)
    Despite declaration as a national priority disease, dog rabies remains endemic in Liberia, with surveillance systems and disease control activities still developing. The objective of these initial efforts was to establish ...
  • Scott, Terence Peter; Hassel, Rainer; Nel, Louis Hendrik (Schlütersche Verlagsgesellschaft, 2012)
    Cycles of terrestrial rabies are associated with carnivores. In non-carnivorous species, rabies typically occurs as a spill-over from the carnivore reservoir and quickly encounters a dead end in such species. One major ...
  • Scott, Terence Peter (University of Pretoria, 2012-12-14)
    Rabies virus (RABV) primarily infects carnivorous terrestrial mammals in Africa. However, in 1977 the first epidemic of rabies in kudu occurred in Namibia. Due to the excessive spread and deaths of kudu, it was suggested ...
  • Malerczyk, Claudius; Nel, Louis Hendrik; Gniel, Dieter; Blumberg, Lucille H. (Landes Bioscience, 2010-05)
    Rabies is endemic on every continent except Antarctica and is also considered to be a significant health problem in Africa, including South Africa. With the upcoming FIFA Soccer World Cup to be held in 2010 in cities ...
  • Bright, Chelsea (University of Pretoria, 2020)
    General aggregation diffusion equations have been used in a variety of different settings, including the modelling of chemotaxis and the biological aggregation of insects and herding of animals. We consider a non-local ...
  • Wendler, E.; Bilani, O.; Gartner, K.; Wesch, W.; Hayes, M.; Auret, F.D. (Francois Danie); Lorenz, K.; Alves, E. (Elsevier, 2009)
    Commercial O-face (0 0 0 1) ZnO single crystals were implanted with 200 keV Ar ions. The ion fluences applied cover a wide range from 5 x 1011 to 7 x 1016 cm-2. The implantation and the subsequent damage analysis by ...
  • Radcliffe, Jack Frederick; Barthe, P.D.; Garrett, M.A.; Beswick, R.J.; Thomson, A.P.; Muxlow, T.W.B. (EDP Sciences, 2021-05)
    CONTEXT: For nearly seven decades, astronomers have been studying active galaxies, that is to say, galaxies with actively accreting central supermassive black holes: active galactic nuclei (AGN). A small fraction are ...
  • Akingboye, Adedibu Sunny; Ogunyele, Abimbola Chris; Jimoh, Adeleke Teslim; Adaramoye, Oluwatobi Blessing; Adeola, Adedapo Oluwasanu; Ajayi, Toluwaleke (Springer, 2021-03)
    Please read abstract in the article.
  • Woodborne, Stephan M.; Patrut, Roxana T.; Hall, Grant; Rakosy, Laszlo; Von Reden, Karl F.; Lowy, Daniel; Margineanu, Dragos (Studia Universitatis Babes-Bolyai, 2015)
    The paper discloses the radiocarbon investigation results of the Luna tree, a representative African baobab from Venetia Limpopo Nature Reserve, South Africa. Several wood samples collected from deep incisions in the ...
  • Mafanya, Madodomzi; Tsele, Philemon; Botai, J.O. (Joel Ongego); Manyama, Phetole; Chirima, George J.; Monate, Thabang (Taylor and Francis, 2018)
    Orthomosaics derived from consumer grade digital cameras on board unmanned aerial vehicles (UAVs) are increasingly being used for biodiversity monitoring and remote sensing of the environment. To have lasting quantitative ...
  • Nel, Werner; Sumner, P.D. (Paul) (Blackwell, 2008)
    Located near the south-eastern limit of Africa, the Lesotho–Drakensberg and associated escarpment is the highest range of African mountains south of the massifs in Tanzania. At the escarpment summit and on the adjacent ...
  • Anderson, Ryan Leigh (University of Pretoria, 2012)
    Rainfall can be the most erosive agent with respect to rainfall induced erosion, particularly within the context of a tropical maritime environment. Mauritius provides an example of such an environment, which, due to its ...
  • Chaplot, Vincent; Brown, Jacqueline; Dlamini, Phesheya; Eustice, Tarryn; Janeau, Jean-Louis; Jewitt, Graham; Lorentz, S.A. (Simon A.); Martin, Lauren; Nontokozo-Mchunu, Charmaine; Oakes, Ernest; Podwojewski, Pascal; Revil, Sylvain; Revil, Sylvain; Zondi, Nhlakanipho (Elsevier, 2010)
    Gully erosion is one of the main causes of soil loss in dry lands. Understanding the dominant mechanisms of erosion is important to achieve effective erosion control, thus in this study our main objective was to \ quantify ...
  • Adeola, Abiodun Morakinyo; Ncongwane, Katlego; Abiodun, Gbenga J.; Makgoale, Thabo; Rautenbach, Hannes; Botai, Joel Ongego; Adisa, O.M. (Omolola); Botai, Christina (MDPI Publishing, 2019-12-17)
    This contribution aims to investigate the influence of monthly total rainfall variations on malaria transmission in the Limpopo Province. For this purpose, monthly total rainfall was interpolated from daily rainfall data ...
  • Smart, Catherine Ann (University of Pretoria, 2017)
    This study assesses the temporal rainfall variability trends, the effects on river discharge and the identification of drought periods across the central and northern Drakensberg (1955 – 2015), as well as at a catchment ...
  • Smit, Izak P.J.; Smit, Chris F.; Govender, Navashini; Van der Linde, Michael J. (Mike); MacFadyen, Sandra (Wiley, 2013-04)
    Fire is considered a critical management tool in fire prone landscapes. Often studies and policies relating to fire focus on why and how the fire regime should be managed, often neglecting to subsequently evaluate ...
  • Van Hooft, Pim; Prins, Herbert H.T.; Getz, Wayne Marcus; Jolles, Anna E.; Van Wieren, Spike E.; Greyling, Barend Jacobus; Van Helden, Paul David; Bastos, Armanda D.S. (BioMed Central, 2010)
    BACKGROUND: The Y-chromosomal diversity in the African buffalo (Syncerus caffer) population of Kruger National Park (KNP) is characterized by rainfall-driven haplotype frequency shifts between year cohorts. Stable ...