Department of Forest and Wood Science
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Investigating the potential of strength grading green Eucalyptus grandis lumber using multi-sensor technology
(North Carolina State University, 2017-11)The exploitation of Eucalyptus grandis lumber as structural material may take advantage of the finger-joint and edge-gluing of the boards while they are still wet, so as to reduce the natural susceptibility of the species ...
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Analysing taxonomic structures and local ecological processes in temperate forests in North Eastern China
(BioMed Central, 2017)Background: One of the core issues of forest community ecology is the exploration of how ecological processes affect community structure. The relative importance of different processes is still under debate. This study ...
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Climate as possible reproductive barrier in Pinus radiata (D. Don) interspecific hybridisation
(Marin Dracea National Research-Development Institute in Forestry, 2017)Historically, interspecific hybridisation with Pinus radiata D. Don had limited success. The effect of environmental conditions and position of pollination bags in the tree were investigated as possible hybridisation ...
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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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Effects of density dependence in a temperate forest in northeastern China
(Springer Nature, 2016-09-08)ENGLISH ABSTRACT: Negative density dependence may cause reduced clustering among individuals of the same species, and evidence is accumulating that conspecific density-dependent self-thinning is an important mechanism ...
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Stoichiometry patterns in the androdioecious Acer tegmentosum
(Springer Nature, 2016-10-11)ENGLISH ABSTRACT: This study evaluates stoichiometry patterns in the androdioecious Acer tegmentosum, a species characterized by a rare reproductive system where males and hermaphrodites coexist. Altogether 31 hermaphrodites ...
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Aboveground biomass and carbon in a South African mistbelt forest and the relationships with tree species diversity and forest structures
(MDPI, 2016)ENGLISH ABSTRACT: Biomass and carbon stocks are key information criteria to understand the role of forests in regulating global climate. However, for a bio-rich continent like Africa, ground-based measurements for accurate ...
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Soil elements influencing community structure in an old-growth forest in Northeastern China
(MDPI, 2016)ENGLISH ABSTRACT: This study uses detailed soil and vegetation data collected in a 30-ha old-growth broad-leaved Korean pine forest to study the effect of soil properties on tree community structures. Spatial distribution ...
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Tree species diversity promotes aboveground carbon storage through functional diversity and functional dominance
(Wiley Open Access, 2016)ENGLISH ABSTRACT: The relationship between biodiversity and ecosystem function has increasingly been debated as the cornerstone of the processes behind ecosystem services delivery. Experimental and natural field-based ...
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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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Slope effect on costs and productivity of single-grip purpose-built and excavator based harvesters
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: In this study a mechanised Eucalyptus pulpwood cut-to-length harvesting operation comprising felling, debarking, debranching and cross cutting of assortments, was observed using time studies to determine ...
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Assessing harvesting and postharvest handling practices of Strychnos cocculoides fruit in the Kavango West Region of Namibia
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: Traditional harvesting methods used by rural people to harvest indigenous fruit remain a challenge in rural communities. Such methods lead to post harvest losses of fruit. This study was conducted in ...
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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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