Browsing Research Articles (Zoology and Entomology) by Title

Browsing Research Articles (Zoology and Entomology) by Title

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  • Mapping bugweed (Solanum mauritianum) infestations in Pinus patula plantations using hyperspectral imagery and support vector machines 
    Atkinson, Jonathan Tom; Ismail, Riyad; Robertson, Mark P. (Institute of Electrical and Electronics Engineers, 2014-01)
    The invasive plant known as bugweed (Solanum mauritianum) is a notorious invader of forestry plantations in the eastern parts of South Africa. Not only is bugweed considered to be one of five most widespread invasive ...
  • Mapping evaporative water loss in desert passerines reveals an expanding threat of lethal dehydration 
    Albright, Thomas P.; Mutiibwa, Dennis; Gerson, Alexander R.; Smith, Eric Krabbe; Talbot, William A.; O’Neill, Jacqueline J.; McKechnie, Andrew E.; Wolf, Blair O. (National Academy of Sciences, 2017-02)
    Extreme high environmental temperatures produce a variety of consequences for wildlife, including mass die-offs. Heat waves are increasing in frequency, intensity, and extent, and are projected to increase further under ...
  • Mapping out a future for ungulate migrations 
    Kauffman, Matthew J.; Cagnacci, Francesca; Chamaillé-Jammes, Simon; Hebblewhite, Mark; Hopcraft, J. Grant C.; Merkle, Jerod A.; Mueller, Thomas; Mysterud, Atle; Peters, Wibke; Roettger, Christiane; Steingisser, Alethea; Meacham, James E.; Abera, Kasahun; Adamczewski, Jan; Aikens, Ellen O.; Bartlam-Brooks, Hattie; Bennitt, Emily; Berger, Joel; Boyd, Charlotte; Cote, Steeve D.; Debeffe, Lucie; Dekrout, Andrea S.; Dejid, Nandintsetseg; Donadio, Emiliano; Dziba, Luthando; Fagan, William F.; Fischer, Claude; Focardi, Stefano; Fryxell, John M.; Fynn, Richard W.S.; Geremia, Chris; Gonzalez, Benito A.; Gunn, Anne; Gurarie, Elie; Heurich, Marco; Hilty, Jodi; Hurley, Mark; Johnson, Aran; Joly, Kyle; Kaczensky, Petra; Kendall, Corinne J.; Kochkarev, Pavel; Kolpaschikov, Leonid; Kowalczyk, Rafal; Van Langevelde, Frank; Li, Binbin V.; Lobora, Alex L.; Loison, Anne; Madiri, Tinaapi H.; Mallon, David; Marchand, Pascal; Medellin, Rodrigo A.; Meisingset, Erling; Merrill, Evelyn; Middleton, Arthur D.; Monteith, Kevin L.; Morjan, Malik; Morrison, Thomas A.; Mumme, Steffen; Naidoo, Robin; Novaro, Andres; Ogutu, Joseph O.; Olson, Kirk A.; Oteng-Yeboah, Alfred; Ovejero, Ramiro J.A.; Owen-Smith, Norman; Paasivaara, Antti; Packer, Craig; Panchenko, Danila; Pedrotti, Luca; Plumptre, Andrew J.; Rolandsen, Christer M.; Said, Sonia; Salemgareyev, Albert; Savchenko, Aleksandr; Savchenko, Piotr; Sawyer, Hall; Selebatso, Moses; Skroch, Matthew; Solberg, Erling; Stabach, Jared A.; Strand, Olav; Suitor, Michael J.; Tachiki, Yasuyuki; Trainor, Anne; Tshipa, Arnold; Virani, Munir Z.; Vynne, Carly; Ward, Stephanie; Wittemyer, George; Xu, Wenjing; Zuther, Steffen (American Association for the Advancement of Science, 2021-05)
    Migration of ungulates (hooved mammals) is a fundamental ecological process that promotes abundant herds, whose effects cascade up and down terrestrial food webs. Migratory ungulates provide the prey base that maintains ...
  • Mapping potential connections between Southern Africa’s elephant populations 
    Huang, Ryan M.; Van Aarde, Rudi J.; Pimm, Stuart L.; Chase, Michael; Leggett, Keith (Public Library of Science, 2022-09-11)
    Southern Africa spans nearly 7 million km2 and contains approximately 80% of the world’s savannah elephants (Loxodonta africana) mostly living in isolated protected areas. Here we ask what are the prospects for improving ...
  • Marine ecosystem assessment for the southern ocean : birds and marine mammals in a changing climate 
    Bestley, Sophie; Ropert-Coudert, Yan; Nash, Susan Bengtson; Brooks, Cassandra M.; Cotte, Cedric; Dewar, Meagan; Friedlaender, Ari S.; Jackson, Jennifer A.; Labrousse, Sara; Lowther, Andrew D.; McMahon, Clive Reginald; Phillips, Richard A.; Pistorius, Pierre Anton; Puskic, Peter S.; Reis, Ana Olivia de A.; Reisinger, Ryan Rudolf; Santos, Mercedes; Tarszisz, Esther; Tixier, Paul; Trathan, Philip N.; Wege, Mia; Wienecke, Barbara (Frontiers Media, 2020-11)
    The massive number of seabirds (penguins and procellariiformes) and marine mammals (cetaceans and pinnipeds) – referred to here as top predators – is one of the most iconic components of the Antarctic and Southern Ocean. ...
  • Marine hotspots of activity inform protection of a threatened community of pelagic species in a large oceanic jurisdiction 
    Requena, Susana; Oppel, Steffen; Bond, Alexander L.; Hall, Jonathan; Cleeland, Jaimie; Crawford, Robert J.M.; Davies, Delia; Dilley, Ben J.; Glass, Trevor; Makhado, Azwianewi; Ratcliffe, Norman; Reid, Timothy A.; Ronconi, Robert A.; Schofield, Andy; Steinfurth, Antje; Wege, Mia; Bester, Marthan Nieuwoudt; Ryan, Peter G. (Wiley, 2020-10)
    Remote oceanic islands harbour unique biodiversity, especially of species that rely on the marine trophic resources around their breeding islands. Identifying marine areas used by such species is essential to manage and ...
  • Marine Mammal Programme at the Prince Edward Islands : 38 years of research 
    Bester, Marthan Nieuwoudt; De Bruyn, P.J. Nico; Oosthuizen, Wessel Christiaan; Tosh, Cheryl A.; McIntyre, Trevor; Reisinger, Ryan Rudolf; Postma, Martin; Van der Merwe, Derek S.; Wege, Mia (Taylor & Francis, 2011)
    The Marine Mammal Programme (MMP) conducts research on pinnipeds and killer whales Orcinus orca at Marion Island, Prince Edward Islands, under the auspices of the Mammal Research Institute, Department of Zoology and ...
  • Marine mammals exploring the oceans pole to pole 
    Treasure, Anne; Roquet, Fabien; Ansorge, Isabelle J.; Bester, Marthan Nieuwoudt; Boehme, Lars; Bornemann, Horst; Charrassin, Jean-Benoit; Chevallier, Damien; Costa, Daniel P.; Fedak, Mike A.; Guinet, Christophe; Hammill, Mike O.; Harcourt, Robert G.; Hindell, Mark A.; Kovacs, Kit M.; Lea, Mary-Anne; Lovell, Phil; Lowther, Andrew D.; Lydersen, Christian; McIntyre, Trevor; McMahon, Clive Reginald; Muelbert, Monica M.C.; Nicholls, Keith; Picard, Baptiste; Reverdin, Gilles; Trites, Andrew W.; Williams, Guy D.; De Bruyn, P.J. Nico (Oceanography Society, 2017)
    Polar oceans are poorly monitored despite the important role they play in regulating Earth’s climate system. Marine mammals equipped with biologging devices are now being used to fill the data gaps in these logistically ...
  • Marking Bactrocera dorsalis (Diptera: Tephritidae) with fluorescent pigments : effects of pigment colour and concentration 
    Makumbe, L.D.M. (Louisa); Manrakhan, A.; Weldon, Christopher William (Entomological Society of Southern Africa, 2017)
    Daylight fluorescent pigment powders are frequently used to self-mark tephritid flies that are released in sterile insect technique programmes and for studies on their population ecology, movement and behaviour. This ...
  • Mass die-off of African elephants in Botswana : pathogen-poison or a perfect storm? 
    Azeem, Shahan; Bengis, Roy; Van Aarde, Rudi J.; Bastos, Armanda D.S. (Southern African Wildlife Management Association, 2020-08)
    Reports of a mass die-off of ~350 elephants (Loxodonta africana) in northern Botswana over a period of two months (May–June 2020), has fuelled speculation and concern regarding the cause. Although the area in which ...
  • Mass enhances speed but diminishes turn capacity in terrestrial pursuit predators 
    Wilson, Rory P.; Griffiths, I.W.; Mills, Michael G.L. (Gus); Carbone, Chris; Wilson, John W.; Scantlebury, David M. (eLife Sciences Publications, 2015-08)
    The dynamics of predator-prey pursuit appears complex, making the development of a framework explaining predator and prey strategies problematic. We develop a model for terrestrial, cursorial predators to examine how ...
  • Mass mortality of adult male subantarctic fur seals : are alien mice the culprits? 
    De Bruyn, P.J. Nico; Bastos, Armanda D.S.; Eadie, Candice; Tosh, Cheryl A.; Bester, Marthan Nieuwoudt (Public Library of Science, 2008-11)
    BACKGROUND: Mass mortalities of marine mammals due to infectious agents are increasingly reported. However, in contrast to previous die-offs, which were indiscriminate with respect to sex and age, here we report a land-based ...
  • Mass spectral determination of phenylacetonitrile (PAN) levels in body tissues of adult desert locust, Schistocerca gregaria 
    Amwayi, Peris W.; Masiga, Daniel K.; Govender, Prem; Teal, Peter E.A.; Torto, Baldwyn (Elsevier, 2012-08)
    Wings and legs of the gregarious desert locust, Schistocerca gregaria have been shown to be release sites of phenylacetonitrile (PAN), the major adult male-produced pheromone. However, there is limited information on the ...
  • Masticatory musculature of the African mole-rats (Rodentia: Bathyergidae) 
    Cox, Philip G.; Faulkes, Christopher G.; Bennett, Nigel Charles (PeerJ, 2020-03)
    The Bathyergidae, commonly known as blesmols or African mole-rats, is a family of rodents well-known for their subterranean lifestyle and tunnelling behaviour. Four of the five extant bathyergid genera (Cryptomys, Fukomys, ...
  • A mathematical epidemiological model of gram-negative Bartonella bacteria : does differential ectoparasite load fully explain the differences in infection prevalence of Rattus rattus and Rattus norvegicus? 
    Brettschneider, Helene; Anguelov, Roumen; Chimimba, Christian Timothy; Bastos, Armanda D.S. (Taylor & Francis, 2012-11-12)
    We postulate that the large difference in infection prevalence, 24% versus 5%, in R. norvegicus and R. rattus, respectively, between these two co-occurring host species may be due to differences in ectoparasite and potential ...
  • A mathematical model for the cannabis epidemic in a South African province with a non-linear incidence rate 
    Chapwanya, Michael; Lubuma, Jean M.-S.; Lutermann, Heike; Matusse, A.; Nyabadza, F.; Terefe, Y. (Taylor and Francis, 2021)
    A deterministic mathematical model for the dynamics of cannabis use in a South Africa metropolis of Durban is proposed and analysed. To the analysis the model, the important threshold parameter ℛ0 (the basic reproduction ...
  • A maximum entropy species distribution model to estimate the distribution of bushpigs on Madagascar and its implications for African swine fever 
    Dıaz-Cao, Jose Manuel; Grossmann, Narjara; Goodman, Steven M.; Bosch, Jaime; Guis, Helene; Rasamoelina, Miatrana; Rakotoarivony, Rianja; Jori, Ferran J.; Martınez-Lopez, Beatriz (Hindawi, 2023-02-28)
    Bushpigs (Potamochoerus larvatus) play a major role in the socio-ecosystem of Madagascar, particularly in rural areas. They are largely hunted by rural populations as a major source of income and protein. They can also ...
  • Measurement of concentrations of faecal glucocorticoid metabolites in free-ranging African elephants within the Kruger National Park 
    Viljoen, Jozua Jakobus; Ganswindt, Andre; Palme, Rupert; Reynecke, Hendrik C.; Du Toit, Johan T.; Langbauer, William Richard (South African National Parks, 2008)
    During the past several years, non-invasive monitoring of steroid metabolites in faeces of elephants has become an increasingly popular technique to generate more information about the causal relationship between hormones ...
  • Measuring faecal glucocorticoid metabolite concentrations as an indicator of stress in blue wildebeest (Connochaetes taurinus) 
    Wolf, Tanja Esther; De Haast, Adel R.; Meyer, Leith Carl Rodney; Gerber, David; Ganswindt, Andre (Southern African Wildlife Management Association, 2021)
    In South Africa, blue wildebeest (Connochaetes taurinus) are routinely captured for relocation purposes. To monitor the stress caused by this practise, a non-invasive method assessing adrenocortical function as a measure ...
  • Meat quality and carcass characteristics of the vondo, Thryonomys swinderianus 
    Van Zyl, A.; Van der Merwe, M.; Blignaut, Anita Seugnet (South African Society for Animal Science, 1999)
    Animals, maintained from birth on a higher and lower fibre diet, were slaughtered when postnatal growth curves flattened off. Males tended to be larger than females. The meat of females tended to have higher lipid (9.2 ...