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Analysis of Stable Isotopes of Xylem Water from Plantation Trees in E. Transvaal and Zululand Indicate they Utilised Ground water During Drought of 1992
Item type: Journal Article • Journal: South African Forestry Journal • Authors: J.J. Midgley --- , South Africa S. Talma --- , South Africa D. Scott --- , South Africa B. Olbrich --- , South Africa G.F. van Wyk --- , South AfricaWe investigated the stable isotopic signature of xylem sap of mature plantation trees and the associated ground water at sites in Zululand and E. Transvaal. The survey took place mainly during the drought of 1992. Results indicated a range of... -
Are Pine Plantations “Inhospitable Seas” around Remnant Native Habitat within South-western Cape Forestry Areas?
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A.J. Armstrong --- Department of Nature Conservation, South Africa H.J. van Hensbergen --- Department of Nature Conservation, South Africa D.F. Scott --- Jonkershoek Forestry Research Centre, South Africa S.J. Milton --- , South AfricaSome areas of forestry estates, including unplantable ones, may be zoned and managed for nature conservation. This paper is an analysis of the results of studies of plants, birds and small mammals at Jonkershoek, Stellenbosch, to determine whether pine plantations... -
Ecosystem carbon storage under different land uses in three semi-arid shrublands and a mesic grassland in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.J. Mills --- Department of Soil Science, South Africa T.G. O'Connor --- Centre for African Ecology, South Africa J.S. Donaldson --- , South Africa M.V. Fey --- Department of Soil Science, South Africa A.L. Skowno --- , South Africa A.M. Sigwela --- Terrestrial Ecology Research Unit, Departments of Botany & Zoology, South Africa R.G. Lechmere-Oertel --- Terrestrial Ecology Research Unit, Departments of Botany & Zoology, South Africa J.D. Bosenberg --- , South AfricaCarbon (C) storage in biomass and soils is a function of climate, vegetation type, soil type and land management. Carbon storage was examined in intact indigenous vegetation and under different land uses in thicket (250–400 mm mean annual precipitation), xeric... -
Production speed effects on log-making error rates and value recovery for a mechanized processing operation in radiata pine in New Zealand
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: G.E. Murphy H.D. Marshall A.W. EvansonMechanized processing operations are complex "man-machine" systems. The impacts of changes to work practices are, therefore, dependent on the effects the changes have on both the machine and the man. A mechanized processor, delimbing and cutting tree length stems into... -
Railway Plantations and Railway Sleepers in South Africa, 1910–1937
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G.H. Pirie --- Department of Geography and Environmental Studies,Plantations owned by the South African Railways in the period 1910–1937 were not an important source of timber for railway sleepers. The plantations yielded wood for other railway uses as well as for use in the mines and in box... -
Biological processes as indicators of sustainable plantation forestry
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: MaryC Scholes --- School of Animal, Plant and Environmental Sciences,This paper discusses the use of an ecosystems approach in the management of plantations and the concept of plantations in providing goods and services. Ecological indicators are compared for the CIFOR and South African systems. The CIFOR system focuses on... -
The socioeconomic impact of the phasing out of plantations in the Western and Southern Cape regions of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Carien de Beer --- Department of Forest and Wood Science, South Africa Cori Ham --- Department of Forest and Wood Science, South Africa Dirk W Längin --- Mondi, South Africa Francois Theron --- School of Public Leadership, South AfricaThis study investigates the possible socioeconomic impact of the phasing out of nearly 22 500 ha of plantations within the Southern and Western Cape regions of South Africa as a result of a decision made by government in 2000. Data... -
Renewable energy: the potential opportunities and obligations of plantation forestry
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: B Talbot PA AckermanGlobal demand for woody biomass in substituting fossil fuels does, and will increasingly, place significant pressure on timber plantations and question conventional management practices. Plantations are rationally laid out, located in areas of high productivity, typically have good infrastructure, and... -
Growth responses of Eucalyptus globulus and E. nitens to pruning and fertiliser treatments in a plantation managed for solid-wood products
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: D Wiseman E Pinkard T Wardlaw C Mohammed M Hall C BeadleThe responses of Eucalyptus globulus and E. nitens to pruning (removal of 0 or 60% of the green crown depth) in two lifts and nitrogen (N) fertiliser application (0 [N0], 100 [N1], 300 [N3] and 500 [N5] kg N ha–1)... -
Effect of phosphorus and potassium fertiliser on tree growth and dry timber production of Pinus patula on gabbro-derived soils in Swaziland
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JW Crous --- , South Africa AR Morris --- , South Africa MC Scholes --- School of Animal, Plant and Environmental Sciences, South AfricaA trial designed to determine the optimum timing and rate of application of phosphorus (P) and potassium (K) fertiliser, to mitigate a growth decline observed in P. patula stands located on the gabbro-derived soils (underlying 13% of the plantation area)... -
Productivity gains by fertilisation in Eucalyptus urophylla clonal plantations across gradients in site and stand conditions
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JM de Aguiar Ferreira --- , Brazil JL Stape --- Department of Forestry and Environmental Resources, USANutrition management in Eucalyptus plantations is fundamental for sustaining high production. Fertilisation is routinely used to improve tree nutrition, providing profitable returns on large investments. Growth responses to fertilisation differ dramatically among sites, however, so efficient investment decisions in fertilisation... -
Solid-wood production from temperate eucalypt plantations: a Tasmanian case study
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: C Beadle P Volker T Bird C Mohammed K Barry L Pinkard D Wiseman C Harwood R Washusen T Wardlaw G NolanSince 1988, there has been a major focus in Tasmania on research for the management of temperate eucalypt plantations for solid wood. This coincided with the formal transfer of large areas of native forest that had previously been part of... -
Realising the benefit of research in eucalypt plantation management
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: AR MorrisThe development of a plantation eucalypt wood-based forest products industry in South Africa is outlined. Forest research that has contributed to increasing wood production from the ultimately finite land resource available for industrial plantations is reviewed. The application of this... -
Characterising the diameter distribution of Sal plantations by comparing normal, lognormal and Weibull distributions at Tilagarh Eco-park, Bangladesh
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jiban Chandra Deb --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh Md Habibur Rahman Salman --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh Md Abdul Halim --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh Md Qumruzzaman Chowdhury --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh Anindita Roy --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, BangladeshFor many years foresters have been using statistical probability density functions to describe and characterise stand structure. Predicting the current and future yields of a stand is essential for successful stand and timber management. Implicit prediction of current yield is... -
Improving productivity and sustainability of successive rotations of Acacia auriculiformis plantations in South Vietnam
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vu Dinh Huong --- Forest Science Institute of South Vietnam, Vietnam EK Sadanandan Nambiar --- CSIRO Land and Water Flagship, Australia Le Thanh Quang --- Forest Science Institute of South Vietnam, Vietnam Daniel S Mendham --- CSIRO Land and Water Flagship, Australia Pham The Dung --- Forest Science Institute of South Vietnam, VietnamWe studied the productivity of Acacia auriculiformis plantations in South Vietnam over three successive rotations covering 15 years. The focus of our study was on the effects of inter-rotation management on stand growth and soil properties. Contrastin g slash and... -
Long-term landscape changes in vegetation structure: fire management in the wetlands of KwaMbonambi, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LB Luvuno --- School of Life Sciences, South Africa DC Kotze --- Centre for Water Resources Research, School of Agricultural, Earth and Environmental Sciences, South Africa KP Kirkman --- School of Life Sciences, South AfricaIn wetlands the effects of fire on vegetation dynamics are somewhat uncertain. A change detection analysis in the herbaceous wetlands of KwaMbonambi, South Africa, which were subject to frequent fires, revealed that in 1937 the study area comprised grassland (69%),... -
Mega-trap-plots: a novel method of Sirex woodwasp management on Pinus radiata plantations in Chile
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Miguel A Poisson --- Facultad de Ciencias Forestales, Chile Rodrigo Ahumada --- Bioforest SA, Chile Andrés O Angulo --- Facultad de Ciencias Forestales, Chile Fernando Muñoz --- Facultad de Ciencias Forestales, Chile Eugenio Sanfuentes --- Facultad de Ciencias Forestales, ChileSirex noctilio is one of the most important invasive pests that affect Pinus radiata plantations in Chile. Its management is based on a biological control complex, the most important component of which is the nematode, Deladenus siricidicola. However, in some... -
A synthesis on the impact of non-native conifer plantations on ant and beetle diversity in north-western Patagonia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Juan C Corley --- Grupo de Ecología de Poblaciones de Insectos, Argentina Romina D Dimarco --- Grupo de Ecología de Poblaciones de Insectos, Argentina Déborah Fischbein --- Grupo de Ecología de Poblaciones de Insectos, Argentina María V Lantschner --- Grupo de Ecología de Poblaciones de Insectos, Argentina Andrés S Martínez --- Grupo de Ecología de Poblaciones de Insectos, Argentina Maité Masciocchi --- Grupo de Ecología de Poblaciones de Insectos, Argentina Analia Mattiacci --- Grupo de Ecología de Poblaciones de Insectos, Argentina Juan Paritsis --- Grupo de Ecología de Poblaciones de Insectos, Argentina José M Villacide --- Grupo de Ecología de Poblaciones de Insectos, ArgentinaSoftwood forestry with non-native tree species is increasing worldwide and especially in many developing countries of the Southern Hemisphere. Tree plantations are beneficial in environmental and socioeconomic aspects, but at the same time there are recognised costs associated with afforestation... -
Financial Profitability of Carbon Offset Monoculture Plantation Forestry on Smallholder Farms in Trans Mara Sub-County, Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. Chemuliti --- Kenya Agricultural and Livestock Research Organization, Kenya C. Ackello-Ogutu --- Department of Agricultural Economics, Kenya S. Mbogoh --- Department of Agricultural Economics, Kenya P. Irungu --- Department of Agricultural Economics, KenyaThere is growing interest in the development of smallholder carbon offset forestry projects in Africa as a means of mitigating climate change while providing co-benefits of development and environmental protection and conservation. Financial profitability of carbon projects is a key... -
Growth and modulus of elasticity of pine species and hybrids three years after planting in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: O Nilsson --- , Sweden G R Hodge --- , USA L J Frampton --- , USA W S Dvorak --- , USA J Bergh --- , SwedenGrowth data and modulus of elasticity (MOE) of 11 different pine species and hybrids were examined at six sites in three regions in South Africa. Growth traits and three MOE variables were measured at three years of age in order... -
The effect of adjacent vegetation on fire severity in Afrotemperate forest along the southern Cape coast of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Brandon Giddey --- , South Africa Johan A Baard --- , South Africa Lufuno Vhengani --- , South Africa Tineke Kraaij --- , South AfricaRecently two large wildfires (around the towns of Knysna in 2017 and George in 2018) jointly burnt over 80 000 ha in the southern Cape, South Africa. Here, patches of closed-canopy Afrotemperate forest occur within a matrix of fire-prone (native)... -
Changing use of species and hybrids in South African forest plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Andrew R Morris --- Institute for Commercial Forestry Research, South AfricaSouth Africa has 1.2 million hectares of plantations developed progressively through the 20th century. These occur from 23° to 34°S, from near sea level to 2 000 m above sea level and in both Mediterranean winter rainfall and summer subtropical... -
Cultivation of honeybush (Cyclopia spp.) in neo-colonial and multispecies landscapes of South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Sthembile Ndwandwe --- University of Cape Town, South Africa Roderick Juba --- , South Africa Matthew Sephton --- , South AfricaThe indigenous wild plants of Southern Africa are intertwined with human cultures, histories and livelihoods. By focusing on commercial cultivation of a wild plant, honeybush (Cyclopia spp.), an indigenous plant that is endemic to parts of South Africa, we discuss... -
Integrating rainfall data into site-specific modelling to improve forest productivity estimation of eucalypt hybrid species in coastal Zululand, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Morries Chauke --- School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, South Africa Henry Mwambi --- School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, South Africa Antonio C Ferraz-Filho --- Federal University of Piauí, BrazilThis study aimed to develop a dynamic dominant height model and explore the effects of rainfall on the growth dynamics of Eucalyptus grandis × Eucalyptus urophylla. This species is grown for wood production in South Africa, and accurately estimating site... -
Effects of forest cover and fragmentation on bird functional guilds in understorey birds in shade coffee habitats of southwest Ethiopia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gelaye Gebremichael --- College of Natural Sciences, Jimma University, Ethiopia Anagaw Atickem --- Colleges of Natural Sciences, Addis Ababa University, Ethiopia Seid Tiku Mereta --- Jimma University, Ethiopia Luc Lens --- Ghent University, BelgiumHabitat loss and fragmentation, as consequences of anthropogenic land use changes, are the main drivers of global biodiversity loss. In this study, we evaluate the response of functional guilds in forest understorey bird communities to the amount of forest cover...