• Interaction intensity and importance along two stress gradients: adding shape to the stress-gradient hypothesis 

      Le Roux, P.C.; McGeoch, M.A. (Springer-Verlag, 2010)
      The stress-gradient hypothesis (SGH) predicts that the community-wide prevalence of positive interactions, relative to negative interactions, is greater under more severe environmental conditions. Because the frequency ...
    • Interactions between a cushion plant (Azorella selago) and surface sediment transport on sub-Antarctic Marion Island 

      Haussmann, N.S.; McGeoch, M.A.; Boelhouwers, J.C. (Elsevier B.V., 2009)
      On sub-Antarctic Marion Island cushions of the dominant vascular plant species, Azorella selago, interact with the geomorphology of fellfield landscapes by affecting sediment distribution and ultimately terrace formation. ...
    • An inventory of natural resources harvested from national parks in South Africa 

      van Wilgen, N.J.; Dopolo, M.; Symonds, A.; Vermeulen, W.; Bester, E.; Smith, K.; McGeoch, M.A. (AOSIS OpenJournals, 2013-05-30)
      Resource harvesting is permissible within South African protected areas under certain conditions as part of benefit sharing that seeks to strengthen relationships with communities living adjacent to parks. However, not ...
    • Leaf miner and plant galler species richness on Acacia: relative importance of plant traits and climate 

      Bairstow, K.A.; Clarke, K.L.; McGeoch, M.A.; Andrew, N.R. (Springer-Verlag, 2010)
      Diversity patterns of herbivores have been related to climate, host plant traits, host plant distribution and evolutionary relationships individually. However, few studies have assessed the relative contributions of a ...
    • Measures, perceptions and scaling patterns of aggregated species distributions 

      Hui, Cang; Veldtman, Ruan; McGeoch, Melodie (2010)
      Non-random (aggregated) species distributions arise from habitat heterogeneity and nonlinear biotic processes. A comprehensive understanding of the concept of aggregation, as well as its measurement, is pivotal to our ...
    • The microarthropods of Prince Edward Island: A quantitative assessment 

      Hugo, EA; Chown, SL; McGeoch, MA (SPRINGER, 2006-12)
      The biodiversity in the sub-Antarctic region is threatened by climatic change and biological invasions, which makes the understanding of distributions of biotas on sub-Antarctic islands essential. Although the distribution ...
    • Modeling species distributions by breaking the assumption of self-similarity 

      Hui, Cang; McGeoch, Melodie A. (2007)
      Species distributions are commonly measured as the number of sites, or geographic grid cells occupied. These data may then be used to model species distributions and to examine patterns in both intraspecific and interspecific ...
    • Parameter landscapes unveil the bias in allometric prediction 

      Hui, C.; Terblanche, J.S.; Chown, S.L.; McGeoch, M.A. (2010)
      1. The criteria for choosing the appropriate line-fitting method (LFM) and correction estimator for determining the functional allometric relationship, and for predicting the Y-variable accurately are controversial. A ...
    • Parasite-specific variation and the extent of male-biased parasitism; an example with a South African rodent and ectoparasitic arthropods 

      Matthee, S.; McGeoch, M.A.; Krasnov, B.R. (Cambridge University Press, 2010)
      We asked whether the occurrence and the extent of host gender-biased parasitism vary among higher parasite taxa, among individual species within these taxa and within parasite species among localities. To answer this ...
    • Patterns of weed invasion: evidence from the spatial genetic structure of Raphanus raphanistrum 

      Barnaud, A.; Kalwij, J.M.; McGeoch, M.A.; Jansen van Vuuren, B. (Springer Science+Business Media Dordrecht, 2013)
      Knowledge of the pathways of colonization is critical for risk assessment and management of weeds. In this study we adopted a landscape genetics approach to assess the impact of human disturbances and large-scale ...
    • Permanent genetic resources added to molecular ecology resources database 1 August 2009 - 30 September 2009 

      Abdoullaye, D.; Acevedo, I.; Adebayo, A.A.; Behrmann-Godel, J.; Benjamin, R.C.; Bock, D.G.; Born, C.; Brouat, C.; Caccone, A.; Cao, L.-Z.; Casadoamezua, P.; Cataneo, J.; Correa-Ramirez, M.M.; Cristescu, M.E.; Dobigny, G.; Egbosimba, E.E.; Etchberger, L.K.; Fan, B.; Fields, P.D.; Forcioli, D.; Furla, P.; Garcia de Leon, F.J.; Garci­a-Jimenez, R.; Gauthier, P.; Gergs, R.; Gonzalez, C.; Granjon, L.; Gutierrez-Rodri­guez, C.; Havill, N.P.; Helsen, P.; Hether, T.D.; Hoffman, E.A.; Hu, X.; Ingvarsson, P.K.; Ishizaki, S.; Ji, H.; Ji, X.S.; Jimenez, M.L.; Kapil, R.; Karban, R.; Keller, S.R.; Kubota, S.; Li, S.; Li, W.; Lim, D.D.; Lin, H.; Liu, X.; Liu, Y.; Machordom, A.; Martin, A.P.; Matthysen, E.; Mazzella, M.N.; McGeoch, M.A.; Meng, Z.; Nishizawa, M.; O'Brien, P.; Ohara, M.; Ornelas, J.F.; Ortu, M.F.; Pedersen, A.B.; Preston, L.; Ren, Q.; Rothhaupt, K.-O.; Sackett, L.C.; Sang, Q.; Sawyer, G.M.; Shiojiri, K.; Taylor, D.R.; Van Dongen, S.; Janseb van Vuuren, B.; Vandewoestijne, S.; Wang, H.; Wang, J.T.; Wang, L.; Xu, X.L.; Yang, G.; Yang, Y.; Zeng, Y.Q.; Zhang, Q.-W.; Zhang, Y.; Zhao, Y.; Zhou, Y. (Blackwell Publishing Ltd., 2010)
      This article documents the addition of 238 microsatellite marker loci and 72 pairs of Single Nucleotide Polymorphism (SNP) sequencing primers to the Molecular Ecology Resources Database. Loci were developed for the following ...
    • 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 ...
    • Plant dispersal in the sub-Antarctic inferred from anisotropic genetic structure 

      Born, C.; Le Roux, P.C.; Spohr, C.; McGeoch, M.A.; Jansen van Vuuren, B. (Blackwell Publishing, 2012)
      Climatic conditions and landscape features often strongly affect species’ local distribution patterns, dispersal, reproduction and survival and may therefore have considerable impacts on species’ fine-scale spatial genetic ...
    • Rapid range expansion and community reorganization in response to warming 

      le Roux, P.C.; McGeoch, M.A. (Blackwell Publishing Ltd, 2008)
      Species ranges are expected to expand along their cooler boundaries in response to rising temperatures associated with current global climate change. However, this ‘fingerprint’ of climate change is yet to be assessed ...
    • Road verges as invasion corridors? A spatial hierarchical test in an arid ecosystem 

      Kalwij, Jesse Machiel Jr; Milton, Suzanne J.; McGeoch, Melodie A. (Springer, 2008-02-14)
      Disturbed habitats are often swiftly colonized by alien plant species. Human inhabited areas may act as sources from which such aliens disperse, while road verges have been suggested as corridors facilitating their dispersal. ...
    • The role and value of conservation agency research 

      Roux, D.J.; Kingsford, R.T.; McCool, S.F.; McGeoch, M.A.; Foxcroft, L.C. (Springer, 2015-06)
      Governments charge their conservation agencies to safeguard biodiversity through protected areas and threat mitigation. Increasingly, conservation management and policy need to be supported by rigorous evidence provided ...
    • Saproxylic beetle diversity in a managed boreal forest: importance of stand characteristics and forestry conservation measures 

      McGeoch, M.A.; Schroeder, M.; Ekbom, B.; Larsson, S. (Blackwell Publishing Ltd, 2007)
      Saproxylic beetles constitute a significant proportion of boreal forest biodiversity. However, the long history of timber production in Fennoscandia has significantly reduced the availability of dead wood and is considered ...
    • Science and advocacy: the GM debate in South Africa 

      McGeoch, MA; Pringle, KL (ACAD SCIENCE SOUTH AFRICA A S S AF, 2005-02)
      SOUTH AFRICA HAS AN EFFECTIVE regulatory framework for transgenics, and its rate of adopting genetic modification technology is amongst the highest in the world. However, the ecological consequences of introducing genetically ...
    • A self-similarity model for occupancy frequency distribution 

      Hui, Cang; McGeoch, Melodie A. (2007)
      The shapes of interspecific range-size distributions at scales finer than the geographic range are highly variable. However, no numerical model has been developed as a basis for understanding this variation. Using ...
    • A spatial assessment of Brassica napus gene flow potential to wild and weedy relatives in the Fynbos Biome 

      McGeoch, M.A.; Kalwij, J.M.; Rhodes, J.I. (Academy of Science of South Africa, 2009)
      Gene flow between related plant species, and between transgenic and non-transgenic crop varieties, may be considered a form of biological invasion. Brassica napus (oilseed rape or canola) and its relatives are well known ...