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Evaluating Forestry Land During Inflationary Times
Item type: Journal Article • Journal: South African Forestry Journal • Authors: H. J.E. Uys --- Department of Forest Science,The Land Expectation Value criterion has been used since 1849 to calculate the value of forestry land. It was, however, developed in a static financial environment, and is no longer suitable for land valuation in today's dynamic financial environment. This... -
Floristic and Structural Composition of Wonderwoud Forest in the Wolkberg, North-Eastern Transvaal
Item type: Journal Article • Journal: South African Forestry Journal • Authors: C.J. Geldenhuys --- Division of Forest Science and Technology, F.J. Pieterse --- Wolkberg Wilderness Area,The closed, evergreen forest of 450 ha was studied by means of a survey of 55 circular plots of 0,04 ha, distributed in a grid pattern. TWINSPAN classification separated the forest into four stand types: Olea capensis macrocarpa—Xymalos monospora—Syzygium gerrardii... -
Floristic and Structural Composition of Hanglip Forest in the Soutpansberg, Northern Transvaal
Item type: Journal Article • Journal: South African Forestry Journal • Authors: C.J. Geldenhuys --- Division of Forest Science and Technology, B. Murray --- Northern Transvaal Forest Region,The closed, evergreen forest of 363 ha was sampled by means of 62 circular plots of 0,04 ha, distributed in a grid pattern. TWINSPAN classification separated the forest into regrowth forest with two forest types, and mature forest with four... -
The Effect of Site Preparation and Tending on the Growth of Pinus radiata in the Southern Cape: Five Year Results
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Lee Cunningham --- ,This paper details the latest results of site preparation and tending experiments in Pinus radiata on regenerated sites, on both Kruisfontein Plantation in the Southern Cape District of the Western Cape Forest Region and Blueliliesbush Plantation in the Tsitsikamma Forest... -
Measuring water stress in Pinus patula Schiede ex Schlect. & Cham. seedlings
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.A. Rolando --- , K.M. Little --- ,A pot trial was conducted to investigate measures of water stress for Pinus patula seedlings planted for commercial forestry in South Africa. The objectives were to determine the efficacy of different equipment for quantifying water stress, and the effect of... -
NUTRIENT CYCLING IN MARINE ECOSYSTEMS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: P. Chapman --- , South AfricaThe overall cycles of nitrogen, phosphorus and silicon in the sea are described and compared. Data on the fluxes and rates of change between various pools of each nutrient are given, where available, and gaps in knowledge are pointed out... -
Effects of fire, bruchid beetles and soil type on germination and seedling establishment of Acacia drepanolobium
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: B.D. Okello T.P. YoungThe effects of fire, bruchid seed beetles and soil type on the germination and seedling establishment of Acacia drepanolobium were experimentally investigated. Seeds subjected to three seed treatments (bruchid damaged, bruchid-free burnt, and bruchid-free unburned) were germinated in three different... -
Adjusting Faustmann's formula for the South African forestry environment
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Eksteen Uys --- Department of Forest Science, South AfricaThe forestry industry in South Africa is characterised by frequent changes in land ownership and the valuation of forestry land consequently forms a regular task of forestry valuers. Traditionally the value of bare forestry land was determined by calculating the... -
Survival and growth of Pinus patula at two years in response to harvest residue and pest management, in Mpumalanga, South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Carol Rolando --- , Ross Allan --- ,Previous research has indicated that the presence of harvesting residues, post-planting tern perature and rainfall, and insect pests and diseases, are among the main causes of mortality during re-establishment of Pinus patula stands. The main objectives of this work were... -
Stand biomass and volume estimation for Miombo woodlands at Kitulangalo, Morogoro, Tanzania
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: S.A.O. Chamshama --- Faculty of Forestry and Nature Conservation, Tanzania A.G. Mugasha --- Faculty of Forestry and Nature Conservation, Tanzania E. Zahabu --- Faculty of Forestry and Nature Conservation, TanzaniaTree volume and biomass equations developed for Kitulangalo area in Morogoro, Tanzania ignored small branches and small trees. Consequently, this study was carried out to develop new individual tree volume and biomass equations, and assess current regeneration status, biodiversity and... -
The effect of anthropogenic disturbances on population structure and regeneration of Scorodophloeus fischeri and Manilkara sulcata in coastal forests of Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: C Mligo --- Department of Botany, Tanzania HVM Lyaruu --- Department of Botany, Tanzania HJ Ndangalasi --- Department of Botany, TanzaniaScorodophloeus fischeri (Fabaceae, subfamily Caesalpinoideae) and Manilkara sulcata (Sapotaceae) are examples of tropical African hardwood species and are endemic to East African coastal forests. These plant species are threatened by human activities beyond natural recovery in some forests. This study... -
Local community perception of joint forest management and its implications for forest condition: the case of Dambwa Forest Reserve in southern Zambia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Phiri --- Forestry Department, Zambia Forest Research Division, Zambia PW Chirwa --- Faculty of Natural and Agricultural Sciences, South Africa S Watts --- , South Africa S Syampungani --- School of Natural Resources, ZambiaThis study conducted at Dambwa Forest Reserve in Livingstone, Zambia, evaluated the perception of local people about joint management of the forest reserve in the area and if there had been improvements to the livelihoods of the community and the... -
Plant regeneration by somatic embryogenesis in Eucalyptus spp.: current status and future perspectives
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Glória Pinto --- Department of Biology and Centre for Environmental and Marine Studies (CESAM), Portugal Clara Araújo --- Altri Florestal SA, Portugal Conceição Santos --- Department of Biology and Centre for Environmental and Marine Studies (CESAM), Portugal Lucinda Neves --- Altri Florestal SA, PortugalForest tree improvement programs benefit from the emergence of new biotechnological strategies that complement plant developmental biology and discovery of genes associated with complex multigenic traits. Recently, significant progress has been made in the area of plant regeneration via somatic... -
Seed dynamics of Themeda triandra in the montane grasslands of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: TM Everson RI Yeaton CS EversonSeed production, viability, dispersal, predation and seed banks of Themeda triandra were determined to assess the potential of the seeds of this indigenous species in the re-establishment of degraded grassland. Annual seed production of T. triandra increased with length of... -
Responses of the Serengeti avifauna to long-term change in the environment
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Anthony RE Sinclair --- Beaty Biodiversity Research Centre, Canada Ally Nkwabi --- Serengeti Biodiversity Program, Tanzania Simon AR Mduma --- Beaty Biodiversity Research Centre, Canada Flora Magige --- Department of Zoology and Wildlife Conservation, TanzaniaIn this paper we examine how climate change interacts with other disturbances to alter the functioning of a tropical ecosystem, the Serengeti in Tanzania. Tropical Africa has increasing temperatures and changes in rainfall. Long-term data have shown how the avifauna... -
The infrastructural passions of urban mutuality
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Christine Hentschel --- Institute for Criminological Research, GermanyThe article suggests an “infrastructural” approach to mutuality in the city. What organises mutuality is less a matter of the common urban horizon or the grown community than of “enabling conditions” (Calhoun) we would call infrastructures: their makeup shapes how... -
Inferring population trends of Araucaria angustifolia (Araucariaceae) using a transition matrix model in an old-growth forest
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Giovani F Paludo --- Grupo Uso e Conservação dos Recursos Florestais, Brazil Miguel B Lauterjung --- Grupo Uso e Conservação dos Recursos Florestais, Brazil Maurício S dos Reis --- Núcleo de Pesquisas em Florestas Tropicais, Brazil Adelar Mantovani --- Grupo Uso e Conservação dos Recursos Florestais, BrazilMatrix population models may generate important information to prevent undesirable outcomes for endangered species. This is the case for Araucaria angustifolia, a Critically Endangered conifer, with little knowledge regarding its life history and trends in development over time. This study... -
Overview of restoration and management practices in the degraded landscapes of the Sahelian and dryland forests and woodlands of East and southern Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Paxie W Chirwa --- Forest Science Postgraduate Programme, Department of Plant and Soil Sciences, South Africa Larwanou Mahamane --- African Forest Forum, c/o World Agroforestry Centre (ICRAF), KenyaThe highest deforestation and forest degradation rates in Africa occur in the dry forests and woodlands where pressure for land is increasing, poverty is rampant, livelihood options are few and climate change effects are severe. This paper examines factors that... -
An assessment of the forest regeneration potential of the taungya system of farming in Oyo State, south-western Nigeria
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ismail O Azeez --- Department of Forest Resources Management, Nigeria Labode Popoola --- Department of Forest Resources Management, Nigeria Idowu O Shulamite --- Department of Forest Resources Management, NigeriaBalancing forest regeneration and meeting food and fibre needs of Nigeria’s ever-increasing population challenges is imperative to her sustainable development. Two methods of artificial forest regeneration practiced in Oyo State, Nigeria to meet these challenges are direct planting and taungya... -
Forests, people and environment: some African perspectives
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Paxie W Chirwa --- Forest Science Postgraduate Programme, Department of Plant and Soil Sciences, South Africa Larwanou Mahamane --- African Forest Forum, c/o World Agroforestry Centre (ICRAF), Kenya Godwin Kowero --- African Forest Forum, c/o World Agroforestry Centre (ICRAF), KenyaForests in Africa support the livelihoods of millions of people through provision of timber and non-timber forest products, food and nutrition, energy and payment of environmental services. However, mismanagement of forests has resulted in deforestation and forest degradation, thereby contributing... -
The contribution of creative industries to sustainable urban development in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwayemisi Adebola Oyekunle --- Tshwane University of Technology, Faculty of The Arts, South AfricaSouth African policymakers are increasingly advocating for creative industry entrepreneurship to play a vital role in the economic development of cities, for example, by creating pathways for job creation and encouraging urban regeneration. The question, ‘How can we use creative... -
Land-use impacts on the composition and diversity of the Baikiaea– Guibourtia–Pterocarpus woodlands of north-western Zimbabwe
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Angella Chichinye --- Department of Forest Resources and Wildlife Management, Zimbabwe Coert J Geldenhuys --- Department of Plant and Soil Sciences, South Africa Paxie W Chirwa --- Department of Plant and Soil Sciences, South AfricaVariation in floristic composition of recovering Baikiaea–Guibourtia–Pterocarpus woodlands was studied in different development stages (from early regrowth to mature woodland) under different land-use systems (protected areas, timber harvesting, pole and firewood collection, and abandoned crop fields), in the Gwayi and... -
Structure and diversity of the Araucaria forest in southern Brazil: biotic homogenisation hinders the recognition of floristic assemblages related to altitude
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Lucia Sevegnani --- Departamento de Ciências Naturais, Brazil André L de Gasper --- Departamento de Ciências Naturais, Brazil Arthur V Rodrigues --- Programa de Pós-Graduação em Engenharia Florestal, Brazil Débora V Lingner --- Departamento de Engenharia Florestal, Brazil Leila Meyer --- Programa de Pós-graduação em Ecologia e Evolução, Brazil Alexandre Uhlmann --- Embrapa Florestas, Brazil Laio Z Oliveira --- Departamento de Engenharia Florestal, Brazil Alexander C Vibrans --- Programa de Pós-Graduação em Engenharia Florestal, BrazilForest structure and species abundance may respond to environmental features triggered by geomorphology, altitude gradients and human impacts. In this study we investigated if data from a large-area inventory would support the segregation of floristic assemblages related to altitude-oriented forest... -
Natural regeneration status and soil seed bank composition in IITA Forest Reserve, Ibadan, Oyo State, Nigeria
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Bright Danso Appiagyei --- , Nigeria Akinyele O Adejoke --- , NigeriaThe International Institute of Tropical Agriculture (IITA) Forest Reserve is a secondary rainforest that has been protected since 1965. It serves as a refuge for many species that were once common but have declined, due to urbanisation and population pressure... -
Post-fire tree regeneration from seed of the endangered Nothofagus alessandrii Espinosa in the Maule region of central Chile
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Persy Gómez --- , Chile Sergio Espinoza --- , Chile Pedro Garrido --- , Chile José San Martín --- , Chile Yony Ormazábal --- , ChileThe endemic ruil (Nothofagus alessandrii Espinosa) forest is one of the most endangered forest ecosystems in central Chile, where its regeneration is challenged by factors such as low seedling germination capacity and recently by fire. In this study, we sampled... -
Secondary vegetation provides a reservoir of non-timber forest products and agroforestry service options for forestry plantation systems, Maputaland, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: AP Starke --- University of Pretoria, South Africa CJ Geldenhuys --- University of Pretoria, South Africa TG O’Connor --- University of the Witwatersrand, South Africa CS Everson --- University of KwaZulu-Natal, South AfricaTree species providing non-timber forest products (NTFPs) have the potential to enhance the socio-economic value of forestry plantation systems and mitigate biodiversity loss associated with production landscapes in Southern Africa. This can be accomplished by integrating NTFP agroforestry systems with... -
African Journal of Range and Forage Science: paving the way to restoration in African rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Suzanne J Milton --- Wolwekraal Conservation and Research Organisation, South AfricaFor six decades the African Journal of Range & Forage Science and its precursors have contributed to understanding drivers of rangeland degradation and development of approaches for restoration of damage by grazing, mining and other forms of land use. Of...