Author:Main, Russell S; Cho, Moses A; Van Aardt, J; Majeke, BDate:Oct 2008The majority of earth observation studies have for years made use of data from multispectral spaceborne sensors. More recently though, both airborne and spaceborne narrowband hyperspectral sensors have come to the fore and are able to provide ...Read more
Author:Verryn, SD; Snedden, CL; Eatwell, KADate:Jun 2009Tree breeders attempt to predict the genetic gains that are likely to be achieved through selection and breeding of new generations, using stochastic or deterministic modelling. There are many factors that may cause a discrepancy between the ...Read more
Author:Naidoo, Sasha; Zbonak, A; Ahmed, FDate:Sep 2006Productivity of forest plantations in South Africa is highly dependant on soil moisture availability. Soil moisture availability is often limited and evaporative demand is high. Eucalyptus grandis, planted extensively in South Africa, is ...Read more
Author:Mokotedi, O; Watt, P; Pammenter, NDate:Nov 2011The purpose of this study was to deepen our understanding of the field performance of micro- and macro-propagated Eucalyptus grandis x nitens (GN), in comparison with seed-propagated E. grandis and E. nitens. The emphasis was on the relationship ...Read more
Author:Cho, Moses A; van Aardt, J; Main, Russell S; Majeke, BDate:Apr 2010Remote sensing is viewed as a cost-effective alternative to intensive field surveys in assessing site factors that affect growth of Eucalyptus grandis over broad areas. The objective of this study was to assess the utility of hyperspectral ...Read more
Author:Johakimu, Jonas K; Sithole, Bishop BDate:Sep 2017This work summarises the findings of our research on the activation of woodchips using weak white liquor as an alternative mill self-generated alkaline solvent. The ultimate goal was to gain a better understanding on: the effectiveness of the ...Read more
Author:Le Maitre, David C; Versfeld, DBDate:Jun 1997The relationships between forest stand structure, growth and evaporation were analysed to determine whether forest evaporation can be estimated from stand growth data. This approach permits rapid assessment of the potential impacts of ...Read more
Author:Barros, E; Verryn, S; Hettasch, MDate:Jul 2002Wood splitting is a defect in eucalyptus which results in considerable losses when converting logs to solid wood products. Commonly in forestry, molecular markers are identified through studying pedigrees from a single cross. This limits the ...Read more
Author:Roberts, JW; Van Aardt, JAN; Ahmed, FBDate:Jan 2011This research explores the potential benefits of fusing active and passive medium resolution satellite-borne sensor data for forest structural assessment. Image fusion was applied as a means of retaining disparate data features relevant to ...Read more
Author:Grzeskowiak, V; Hanuman, A; Andrew, JDate:2011Environmental scanning electron microscopy coupled with energy dispersive x-ray (ESEM/EDX) was optimised to measure the penetration and diffusion of cooking liquor into Eucalyptus grandis wood chips during kraft pulping. The moisture content ...Read more
Author:Barros, E; Van Staden, C; Lezar, SDate:May 2009Fast-growing Eucalyptus grandis trees are one of the most efficient producers of wood in South Africa. The most serious problem affecting the quality and yield of solid wood products is the occurrence of end splitting in logs. Selection of ...Read more
Author:Naidoo, SashaDate:Mar 2011This research aimed to quantify and model the effects of specific environmental variables on the wood quality of Eucalyptus grandis in the warm temperate (WT) and sub-tropical (ST) forestry regions in South Africa using nondestructive, rapid ...Read more
Author:Scott, DF; Lesch, WDate:10 Dec 1997The reductions in streamflow following the afforestation of grassland with Eucalyptus grandis and Pinus patula in the Mokobulaan research catchments on the Mpumalanga escarpment, and the subsequent response in streamflow to clearfelling of ...Read more