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Browsing by Author "Scholes, RJ"

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  • Scholes, RJ; Van Breemen, N (Elsevier Science BV, 1997-09)
    Alteration of land use will continue to be the dominant driver of environmental change in the tropics for the next several decades. It can take the form of fundamental vegetation cover transformation, or of intensification ...
  • Scholes, RJ; Mennell, K (Wits University Press, 2008)
    As a conse quence of the rising number of elephants in protected areas in South Africa, the ecosystems that contain elephants and the people that live adjacent to elephant populations are perceived to be coming under ...
  • Nickless, A; Archibald, SA; Van der Merwe, Martina R; Scholes, RJ; Williams, CA; Hanan, N (2011-03)
    Annual estimates of gross primary production (GPP) and ecosystem respiration (Reco) were obtained for the Skukuza flux site, Kruger Park, South Africa, based on the eddy covariance flux data. A new method of extrapolating ...
  • Sjöström, M; Zhao, M; Archibald, S; Arneth, A; Cappelaere, B; Falk, U; De Grandcourt, A; Hanan, N; Kergoat, L; Kutsch, W; Merbold, L; Mougin, E; Nickless, A; Nouvellon, A; Scholes, RJ; Veenendaal, EM; Ardö, J (Elsevier, 2013-04)
    MOD17A2 provides operational gross primary production (GPP) data globally at 1 km spatial resolution and 8-day temporal resolution. MOD17A2 estimates GPP according to the light use efficiency (LUE) concept assuming a fixed ...
  • Falkowski, P; Scholes, RJ; Boyle, E; Canadell, J; Canfield, D; Elser, J; Gruber, N; Hibbard, K; Hogberg, P; Linder, S; Mackenzie, FT; Moore, B; Pedersen, T; Rosenthal, Y; Seitzinger, S; Smetacek, V; Steffen, W (American Association for the Advancement of Science, 2000-10-13)
    Motivated by the rapid increase in atmospheric CO2 due to the human activities since the industrial revolution, several international scientific research programs have analyzed the role of individual components of the earth ...
  • Scholes, RJ (2003)
    This guide informs CSIR staff about the standards that they are expected to meet when doing research. Researchers who follow this guide will have satisfied the legal requirement for 'due diligence' in their work.
  • Scholes, RJ; Van der Merwe, Martina R (Bureau Scientific Publications, 1996-05)
    South African greenhouse gas emissions contributed about 1.2% to the global increase in the greenhouse effect in 1988. South Africa generated trace gases with a radiation absorption potential over a 20-year period equivalent ...
  • Nickless, A; Ziehn, T; Rayner, PJ; Scholes, RJ; Engelbrecht, F (European Geosciences Union (EGU), 2014-05)
    This is the second part of a two-part paper considering network design based on a Lagrangian stochastic particle dispersion model (LPDM), aimed at reducing the uncertainty of the flux estimates achievable for the region ...
  • Scholes, RJ; Pienaar, M (2012-10)
    Planning in the economic, population, energy, land and water domains can no longer occur in isolation. The challenge is to provide innovative ways to address the complexities of inter- and cross-sectoral planning. The ...
  • Walwyn, D; Scholes, RJ (Academy of Science South Africa, 2006-05)
    The increasing shift towards external contract research income (in contrast to grant income) as the primary means of funding public research institutions and universities has extracted a high toll on these institutions and ...
  • Korontzi, S; Justice, CO; Scholes, RJ (Elsevier Science Ltd., 2003-06)
    Biomass burning is an important ecosystem process in southern Africa, with significant implications for regional and. global atmospheric chemistry and biogeochemical cycles. In this paper, representative Land sat path-row ...
  • Diaz, S; Demissew, S; Carabias, J; Joly, C; Lonsdale, M; Ash, N; Larigauderie, A; Adhikari, JR; Arico, S; Baldi, A; Bartuska, A; Baste, IA; Bilgin, A; Brondizio, E; Chan, KMA; Figueroa, VE; Duraiappah, A; Fischer, M; Hill, R; Koetz, T; Leadley, P; Lyver, P; Mace, GM; Martin-Lopez, B; Okumura, M; Pacheco, D; Pascual, U; Selvin Perez, E; Reyers, B; Roth, E; Saito, O; Scholes, RJ; Sharma, N; Tallis, H; Thaman, R; Watson, R; Yahara, T; Hamid, ZA; Akosim, C; Al-Hafedh, Y; Allahverdiyev, R; Amankwah, E; Asah, ST; Asfaw, Z; Bartus, G; Brooks, LA; Caillaux, J; Dalle, G; Darnaedi, D; Driver, A; Erpul, G; Escobar-Eyzaguirre, P; Failler, P; Fouda, AMM; Fu, B; Gundimeda, H; Hashimoto, S; Homer, F; Lavorel, S; Lichtenstein, G; Mala, WA; Mandivenyi, W; Matczak, P; Mbizvo, C; Mehrdadi, M; Metzger, JP; Mikissa, JB; Moller, H; Mooney, HA; Mumby, P; Nagendra, H; Nesshover, C; Oteng-Yeboah, AA; Pataki, G; Roue, M; Rubis, J; Schultz, M; Smith, P; Sumaila, R; Takeuchi, K; Thomas, S; Verma, M; Chang, Y; Zlatanova, D (Elsevier, 2015-06)
    The first public product of the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES) is its Conceptual Framework. This conceptual and analytical tool, presented here in detail, will underpin all IPBES ...
  • Biggs, R; Scholes, RJ (Academy of Science of South Africa, 2002-09)
    The area under cultivation in South Africa more than tripled during the twentieth century, while plantation area increased more than tenfold. These land covers now constitute 12% and 1.5%, respectively, of the country's ...
  • Archibald, S; Scholes, RJ (Opulus Press Uppsala Ab, 2007)
    The savannas of Africa are dominated by deciduous trees and perennial but seasonal grasses. Virtually nothing is known about the factors that trigger the onset of greening, or the time-course of leaf-drop in either of these ...
  • Wessels, Konrad J; Van den Bergh, F; Scholes, RJ (Elsevier, 2012-10)
    This paper demonstrates a simulation approach for testing the sensitivity of linear and non-parametric trend analysis methods applied to remotely sensed vegetation index data for the detection of land degradation. The ...
  • Van Jaarsveld, AS; Biggs, R; Scholes, RJ; Bohensky, E; Reyers, B; Lynam, T; Musvoto, Constansia D; Fabricius, C (Royal Society, 2005-01)
    The Southern African Millennium Ecosystem Assessment (SAfMA) evaluated the relationships between ecosystem services and human well-being at multiple scales, ranging from local through to sub-continental. Trends in ecosystem ...
  • Archibald, S; Nickless, A; Scholes, RJ; Schulze, R (CSIRO PUBLISHING, 2010-11)
    In southern African savannas, grass production, and therefore the annual extent of fire, is highly dependent on rainfall. This response has repeatedly been noted in the literature but authors used different input variables ...
  • Carpenter, SR; DeFries, R; Dietz, T; Mooney, HA; Polasky, S; Reid, WV; Scholes, RJ (American Association for the Advancement of Science (AAAS), 2006-10)
    The Millennium Ecosystem Assessment (MA) was designed to meet the needs of decision-makers for scientific information on the consequences of ecosystem change for human well-being. Even though the intended audience is ...
  • Fabricius, C; Scholes, RJ; Cundill, G (2006)
    The Southern African Millennium Ecosystem Assessment (SAfMA, http://www.maweb.org) was undertaken at a variety of spatial scales, from the regional (with sub-Saharan Africa as the assessment area) to the local (at the scale ...
  • Scholes, RJ; Scholes, MC (Bureau Scientific Publications, 1998-09)
    Nitric oxide (NO) reacts with hydrocarbons and carbon monoxide (CO) in the presence of sunlight to form ozone in the lower atmosphere. Tropospheric ozone can be harmful to plants and animals, and is usually regarded as a ...