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    • Browsing STUDENT RESEARCH OUTPUTS by Issue Date
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    • Browsing STUDENT RESEARCH OUTPUTS by Issue Date
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    Browsing STUDENT RESEARCH OUTPUTS by Issue Date

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      • The acute hypoxic ventilatory response: Testing the adaptive significance in human populations 

        Terblanche, J.S.; Tolley, K.A.; Fahlman, A.; Myburgh, K.H.; Jackson, S. (Elsevier Inc, 2005)
        The acute Hypoxic Ventilatory Response (HVR) is an important component of human hypoxia tolerance, hence presumably physiological adaptation to high altitude. We measured the isocapnic HVR (L min¯¹ %¯¹) in two genetically ...
      • Variation in scorpion metabolic rate and rate–temperature relationships: implications for the fundamental equation of the metabolic theory of ecology 

        Terblanche, J.S.; Janion, C.; Chown, S.L. (Blackwell, 2007)
        The fundamental equation of the metabolic theory of ecology (MTE) indicates that most of the variation in metabolic rate are a consequence of variation in organismal size and environmental temperature. Although evolution ...
      • Phenotypic plasticity mediates climate change responses among invasive and indigenous arthropods 

        Chown, S.L.; Slabber, S.; McGeoch, M.A.; Janion, C.; Leinaas, H.P. (The Royal Society, 2007)
        Synergies between global change and biological invasion have been identified as a major potential threat to global biodiversity and human welfare. The global change-type drought characteristic of many temperate terrestrial ...
      • Critical thermal limits depend on methodological context 

        Terblanche, J.S.; Deere, J.A.; Clusella-Trullas, S.; Janion, C.; Chown, S.L. (The Royal Society, 2007-09-18)
        A full-factorial study of the effects of rates of temperature change and start temperatures was undertaken for both upper and lower critical thermal limits (CTLs) using the tsetse fly, Glossina pallidipes. Results show ...
      • Overgrazing and bush encroachment by Tarchonanthus camphoratus in a semi-arid savanna 

        Coetzee, B.W.T.; Tincani, L.; Wodu, Z.; Mwasi, S.M. (Blackwell Publishing Ltd, 2008)
      • An operational model for mainstreaming ecosystem services for implementation 

        Cowling, R.M.; Egoh, B.; Knight, A.T.; O’Farrell, P.J.; Reyers, B.; Rouget, M.; Roux, D.J.; Welz, A.; Wilhelm-Rechman, A. (The National Academy of Sciences of the USA, 2008-07-15)
        Research on ecosystem services has grown markedly in recent years. However, few studies are embedded in a social process designed to ensure effective management of ecosystem services. Most research has focused only on ...
      • Conservation with Caveats 

        Coetzee, B.W.T. (2008-07-25)
        none
      • Physiological tolerances account for range limits and abundance structure in an invasive slug. 

        Lee, J.E.; Janion, C.; Marais, E.; Jansen van Vuuren, B.; Chown, S.L. (The Royal Society, 2009)
        Despite the importance of understanding the mechanisms underlying range limits and abundance structure, few studies have sought to do so. Here we use a terrestrial slug species, Deroceras panormitanum, that has invaded ...
      • Assemblage level variation in springtail lower lethal temperature: the role of invasive species on sub-Antarctic Marion Island 

        Janion, C.; Worland, M.R.; Chown, S.L. (The Royal Entomological Society, 2009)
        It is widely held both in the physiological literature, and more generally, that the average characteristics of species within an assemblage differ among sites. Such generalizations should be based on investigations of ...
      • Searching for generality in the patterns of parasite abundance and distribution: Ectoparasites of a South African rodent, Rhabdomys pumilio 

        Matthee, S.; Krasnov, B.R. (Australian Society for Parasitology Inc. Published by Elsevier Ltd, 2009)
        We studied abundance and distribution of seven ectoparasite species (fleas Chiastopsylla rossi and Dynopsyllus ellobius, a louse Polyplax arvicanthis, mites Androlaelaps fahrenholzi and Laelaps giganteus and two ticks ...
      • Pre-freeze mortality in three species of aphids from sub-Antarctic Marion Island 

        Worland, M.R.; Janion, C.; Treasure, A.M.; Chown, S.L. (Elsevier Ltd., 2010)
        Understanding the mechanisms by which aphids survive low temperature is fundamental in forecasting the risk of pest outbreaks. Aphids are chill susceptible and die at a temperature close to that at which a small exothermal ...
      • Trait means and reaction norms: the consequences of climate change/invasion interactions at the organism level 

        Janion, C.; Leinaas, H.P.; Terblanche, J.S.; Chown, S.L. (Springer Science+Business Media B.V., 2010)
        How the impacts of climate change on biological invasions will play out at the mechanistic level is not well understood. Two major hypotheses have been proposed: invasive species have a suite of traits that enhance their ...
      • Invasive Alien Species Indicator Database and Related Work 

        Kleynhans, Elizabeth (2010-08-05)
        The aim of this project was to develop a global indicator of biological invasion for the Convention on Biological Diversity's (CBD) 2010 target. In developing this indicator we created a database which lists all documented ...
      • End Note Library for IASI project 

        Kleynhans, Elizabeth (2010-08-05)
        This is the end note library that was created during the population of the Global Invasive Alien Species Indicator.
      • Two new species of Parisotoma (Collembola: Isotomidae) from the Western Cape, South Africa 

        Potapov, M.; Janion, C.; Deharveng, L. (Magnolia Press, 2011-02-22)
        Two new species, Parisotoma sexsetosa sp. nov. and P. obscurocellata sp. nov., are described from the Western Cape Province in South Africa. The former is characterized with 2+2 ocelli and 4 sensilla in the p-row on each ...
      • Revalidation of Hepsetus cuvieri (Castelnau, 1861) (Characiformes: Hepsetidae) from the Quanza, Zambezi and southern part of the Congo ichthyofaunal provinces 

        Zengeya, T.A.; Decru, E.; Vreven, E. (Taylor & Francis, 2011-05-12)
        Hepsetus cuvieri (Castelnau, 1861), originally described from “lac N’gami” (Botswana) and synonymized with H. odoe (Bloch, 1794) by Roberts (1984), is revalidated. Hepsetus cuvieri can be readily distinguished from H. ...
      • The genus Ectonura Cassagnau, 1980 in South Africa (Collembola, Neanuridae, Neanurinae), with a key to South African Neanurinae 

        Janion, C.; Bedos, A.; Deharveng, L. (Pensoft Publishers, 2011-10-13)
        Two new species of Neanurinae (Collembola) are described from the Western Cape, South Africa: Ectonura monochaeta sp. n. and Ectonura barrai sp. n. E. monochaeta sp. n. differs from other species in the genus by its strongly ...
      • A new species and first record of the genus Triacanthella Schäffer, 1897 (Collembola, Poduromorpha, Hypogastruridae) for Africa 

        Janion, C.; D'Haese, C.A.; Deharveng, L. (2012)
        The first species of the genus Triacanthella to be recorded from Africa is described. Triacanthella madiba sp. n. belongs to the Southern Hemisphere group of the genus. It is morphologically closely related to T. vogeli ...
      • An assessment of a proposal to eradicate non-native fish from priority rivers in the Cape Floristic Region, South Africa 

        Marr, S.M.; Impson, N.D.; Tweddle, D. (Taylor & Francis, 2012)
        Non-native fish are considered the most important threat to the survival of the indigenous freshwater fishes in the Cape Floristic Region (CFR). A pilot project to evaluate the use of the piscicide rotenone to eradicate ...
      • Dynamics of Rodent-Borne Zoonotic Diseases and Their Reservoir Hosts: Invasive Rattus in South Africa 

        Julius, R.S.; Bastos, A.D.S.; Brettschneider, H.; Chimimba, C.T. (University of California, Davis., 2012)
        Lack of adequate sanitation and pest control, and poor housing conditions that prevail in much of both rural and urban South Africa, cause rodent populations to thrive, promoting contact with humans, which results in ...

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