Department of Forest and Wood Science
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Recent Submissions
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Investigating the impact of fire on the natural regeneration of woody species in dry and wet Miombo woodland
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The miombo woodland is an extensive tropical seasonal woodland and dry forest formation in extent of 2.7 million km². The woodland contributes highly to maintenance and improvement of people’s livelihood ...
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Investigating pollination success between Pinus radiata and selected pine species
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Pinus radiata is not only an important commercial plantation species in the Southern Hemisphere, but it is highly susceptible to Fusarium circinatum. Interspecific hybridisation attempts between P. radiata ...
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Higher initial planting densities for South African-grown Pinus patula sawlog trees: the effect on stem form and land expectation value
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: There are concerns that the modulus of elasticity (MOE) of Pinus patula lumber in South Africa has decreased mainly due to faster growth and reduced rotation ages. However, a number of recent studies have ...
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Evaluation of the bonding quality of E. grandis cross-laminated timber made with a one-component polyurethane adhesive
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Eucalyptus grandis is South Africa‘s most important commercial hardwood species. The availability of E. grandis and its fast growth rate creates the opportunity to explore its uses further. Cross-laminated ...
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Cellulose nanocrystals isolated from South African invasive wood species
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The increased use of cellulose nanocrystals (CNC) due to their high strength, environmentally friendly and renewable source presents a possibility to add value to the potential waste product of South ...
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Estimating carbon sequestered in the cryptosepalum forest in Mwinilunga district of North-western Province, Zambia
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Cryptosepalum forests are an important part of the forest ecosystem in Mwinilunga district of the North–western Province, Zambia. Though they occupy only 3-5 % of the national total land area, their ...
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Patterns of biomass allocation between foliage and woody structure : the effects of tree size and specific functional traits
(Marin Dracea National Research-Development Institute in Forestry, 2016-02)ENGLISH ABSTRACT: Biomass allocation is closely related to species traits, resources availability and competitive abilities, and therefore it is often used to capture resource utilisation within plants. In this study, we ...
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Effect of ascorbic acid and yeast strain on sauvignon blanc wine quality
(South African Society for Enology and Viticulture, 2001)Sauvignon blanc cultivar-typical aroma is affected by different components of which 2-methoxy-3-isobutylpyrazine and 4-mercapto-4-methylpentan-2-one are probably the most important. Climatic, viticultural and oenological ...
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Drivers of seedling survival in a temperate forest and their relative importance at three stages of succession
(John Wiley & Sons Ltd., 2015-09-10)Negative density dependence (NDD) and niche partitioning have been perceived as important mechanisms for the maintenance of species diversity. However, little is known about their relative contributions to seedling survival. ...
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Modelling aboveground biomass and nutrient export in South African Pinus elliottii
(2017-03)ENGLISH ABSTRACT: The objective of this study was to develop an allometric model for Pinus elliottii grown in the Tsitsikamma region of the Eastern Cape province in South Africa. 20 trees were destructively sampled were ...
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Structure, conduct and performance of honey markets in Zambia’s dryland forests
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: This research study assessed the commodity value chain structure, conduct and performance in relation to honey markets in Zambia’s dryland forest. The objectives were to (a) identify stakeholder’s strategic ...
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Phosphate bonded wood and fibre composites
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: In a world constantly driven by change, developing new composite products requires moving beyond the traditional approach to more environmentally benign processes and products. This study investigates the ...
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Evaluating the sustainability, development impact and natural capital impact of invasive alien plant based value-adding enterprises
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Invasive alien plants (IAPs) are a significant threat to South Africa’s biological diversity, water security and agricultural resources, and are associated with increasing human and ecological vulnerability ...
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The use of atomic force microscopy to determine intermolecular adhesive forces in wood based composite materials
(2017-03)ENGLISH ABSTRACT: South Africa has considerable invasive wood species that are causing damage worth millions of dollars to the national economy every year. These species cover over 8 % of surface area and needs to be cleared ...
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An investigation into the edge gluing of green Eucalyptus grandis lumber using a one-component polyurethane adhesive
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: South Africa is a timber-scarce country with a relatively small portion of only about 1% of its total land area being used for commercial forestry. Due to an increasing demand for timber but restrictio ...
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Selected key ecosystem services, functions, and the relationship with biodiversity in natural forest ecosystems
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: Ecosystem services (ES) are the benefits people obtain from ecosystems. Biodiversity is a relevant component in this context, as it supports most ecosystem functions. The worldwide decline in natural ...
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Evaluation of the potential of non-woody invasive plant biomass for electricity generation
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: Invasive alien plants (IAPs) threaten the existence of plant and animal biodiversity as they cause destruction to the natural habitats they invade. In South Africa the Natural Resource Management (NRM) ...
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Agroforestry development and implementation in South Africa: an assessment of selected case studies
(2016-12)ENGLISH ABSTRACT: Agroforestry (AF) is the integrated approach of producing trees and agricultural crops and/or livestock in a single system on the same piece of land. Elements of AF have been practiced in South Africa ...
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The impact of repeated prescribed burning in semi-mature pine plantation forests of Mpumalanga on fuel loads, nutrient pools and stand productivity
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Wild fires in South Africa destroy vast areas of plantations annually and a growing need exists to reduce the fire risk effectively, economically and sustainably. Periodic prescribed burning is viewed by ...
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Estimation of tree biomass, measurement uncertainties, and morphological topology of Androstachys Johnsonii prain
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: This research was aimed at estimating biomass stocks separated in above- and belowground tree components, and studying the topology of the shoot and root systems of Androstachys johnsonnii Prain in woodlands ...
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The effect of planting density on Pinus patula stem form, wood properties and lumber strength and stiffness
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Faster growth and reduced harvesting age are causing a reduction in the stiffness of structural lumber from South African-grown pine plantations. A number of studies have shown the positive effects of ...
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Modeling above-ground biomass of selected tree species within a Mistbelt forest in KwaZulu Natal
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: The objective of this study was to develop species-specific allometric models for selected natural forest species within a forest forming part of the Southern Mistbelt Forest Group, close to the town of ...
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Greyscale-density calibration of an industrial CT scanner for wood microdensitometry
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: The microdensitometry of wood, that is the quantification of density in the micrometre scale, is important for different scientific disciplines such as wood science, dendrochronology, dendroecology, ...
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The relationship between agroforestry and ecosystem services: role of agroforestry in rural communities
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Rural livelihoods are affected by numerous factors (poverty, unemployment, lack of adequate education, basic infrastructure, and food security), but poverty is the most critical. As poverty in South ...
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Limitations to reproductive success in the dioecious tree Rhamnus davurica
(PLoS, 2013-12)The reproductive success of a female plant in a dioecious species may be affected by pollen limitation and resource limitation. This study presents evidence that the reproductive success of the dioecious understorey tree ...
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Classification of timber from Pinus radiata trees exposed to forest fires
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: This study aimed to classify wood from trees that were exposed to forest fires with regards to their end use. Exposure to high temperatures over time is known to degrade wood in various ways. This degradation ...
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Reproductive allocation of two dioecious Rhamnus species in temperate forests of northeast China
(Italian Society of Silviculture and Forest Ecology, 2014-02)When a plant increases resource allocation to reproduction from its limited reserves, the allocation to the other functions is reduced. Because of these trade-offs, differences in reproductive allocation are believed to ...
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Evaluating management regimes for European beech forests using dynamic programming
(Spanish National Institute for Agricultural and Food Research and Technology, 2014-06-06)Aim of study: This contribution describes a systematic search method for identifying optimum thinning regimes for beech forests (Fagus sylvatica L.) by using a combination of optimization heuristics and a simple whole stand ...
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Microfocus X-ray computed tomography (CT) analysis of laser sintered parts
(Southern African Institute for Industrial Engineering, 2014-05)Microfocus X-ray computed tomography (CT) scanning is a three-dimensional (3D) non-destructive technique that is useful in many research and technology fields. Similar to two-dimensional (2D) X-ray inspections, this 3D ...
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Natural regeneration potential of Pterocarpus angolensis (Kiaat Tree) in the dry forests of northern Namibia
(Stellenbosch : Stellenbosch University, 2015-04)ENGLISH ABSTRACT: Pterocarpus angolensis is one of the timber tree species that regenerates naturally in the dry forest of Namibia, mainly assisted by the influence of forest fires. Tree development goes through a prolonged ...
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