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Browsing by Author "Witkowski, ETF"

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  • Mograbi, PJ; Erasmus, BFN; Witkowski, ETF; Asner, GP; Wessels, Konrad J; Mathieu, R; Knapp, DE; Martin, RE; Mathieu, Renaud SA (Public Library of Science, 2015-05)
    Woody biomass dynamics are an expression of ecosystem function, yet biomass estimates do not provide information on the spatial distribution of woody vegetation within the vertical vegetation subcanopy. We demonstrate the ...
  • Fisher, T; Witkowski, ETF; Erasmus, BFN; Van Aardt, J; Asner, GP; Wessels, Konrad J; Mathieu, Renaud SA (Cambridge University Press, 2011-11)
    Despite electrification, over 90% of rural households in certain areas of South Africa continue to depend on fuelwood, and this affects woody vegetation structure, with associated cascading effects on biodiversity within ...
  • Mograbi, PJ; Asner, GP; Witkowski, ETF; Erasmus, BFN; Wessels, Konrad J; Mathieu, Renaud; Vaughn, NR (Wiley, 2017-01)
    Humans have played a major role in altering savanna structure and function, and growing land-use pressure will only increase their influence on woody cover. Yet humans are often overlooked as ecological components. Both ...
  • Coetzer, KL; Erasmus, BFN; Witkowski, ETF; Bachoo, AK (Academy of Science of South Africa, 2010-07)
    This paper is a first step towards a conservation plan for the Kruger to Canyons Biosphere Reserve (K2C) on the South African Central Lowveld, quantifying the historical land-cover trends (1993-2006). During the analysis ...
  • Fisher, JT; Erasmus, BFN; Witkowski, ETF; Van Aardt, J; Wessels, Konrad J; Asner, GP (Wiley Online Library, 2013-05)
    The co-existence of woody plants and grasses characterize savannas, with the horizontal and vertical spatial arrangement of trees creating a heterogeneous biotic environment. To understand the influence of biogeophysical ...