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Browsing Natural and Agricultural Sciences by Supervisor "Chirwa, Paxie W."
Now showing items 1-20 of 25
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(University of Pretoria, 2017)The hybrid combination between Eucalyptus grandis and Eucalyptus urophylla plays a significant role in the production of pulp in the South African Forestry Industry. Superior clones of this hybrid combination have been ...
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(University of Pretoria, 2022-05-13)Intensive land-use changes and management can serve as indicators for major impacts on biodiversity, especially when those changes show the loss of natural habitat due to urban sprawl, cultivation, mining, logging, and ...
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(University of Pretoria, 2017)Forests play an important role in climate-change management, particularly at rural community level. At the same time, forests are essential resources for human welfare and an important part of the landscape. In addition ...
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(University of Pretoria, 2019-09)Classification of tree species into excluders or accumulators is vital for ecological restoration of mine tailings dams via phytostabilization. The study dealt with classification of indigenous tree species found on tailings ...
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(University of Pretoria, 2014-07)Sustainable forest management (SFM) principles emphasize the need for generation of socio-economic benefits for neighbouring communities, minimization of adverse effects and maintenance of good relations with the communities. ...
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(University of Pretoria, 2020-07-14)Abstract Management of the large Ntabelanga Catchment for development of a water reservoir in the Eastern Cape has to consider the scattered, very small and fragmented natural forests within the matrix of montane grasslands. ...
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(University of Pretoria, 2019-11)Silvicultural management systems based on natural disturbance-recovery processes are fundamental so as to integrate multiple-use practices in the natural tree resources inorder to address local needs and global concerns. ...
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(University of Pretoria, 2020)This thesis investigates the effects of meteorological drought on Southern African biomes using remotely sensed rainfall and vegetation data. To achieve this objective, a review of studies on meteorological drought impact ...
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(University of Pretoria, 2012)There is currently a global increase in Eucalyptus pulpwood plantations. Harvesting systems traditionally utilised in the northern hemisphere are being used in Eucalyptus pulpwood plantations worldwide. However, the small ...
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(University of Pretoria, 2018)Understanding variation in the foliar nutrient among indigenous species of the bushveld is crucial for rural livelihoods, in particular the integration of trees into agroecosystems. The study explored nutrient composition ...
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(University of Pretoria, 2019)The question of land ownership in South Africa, like in other developing countries, has received undisputable attention from political parties, government and disadvantaged local communities. In response to this most ...
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(University of Pretoria, 2013)Some forestry industry operations in South Africa are currently on land that is under claim. This case study was aimed at identifying the most suitable model for future engagement of communities in forestry with forest ...
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(University of Pretoria, 2015)The early 2000s witnessed a global awareness on adoption of renewable and environmental friendly energy with anticipated socio-economic benefits in developing countries. In Zambia, investments in biofuel feedstock mainly ...
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(University of Pretoria, 2023-12-05)The efficient implementation of REDD+ programs and local sustainable forest management needs reliable data on species composition and distribution, forest biomass, and carbon storage, which are presently lacking in the ...
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(University of Pretoria, 2023)Forest and land degradation are persistent and are perceived as global problems whose impacts are felt at multiple levels in terms of food insecurity, livelihoods, and biodiversity loss. In response, efforts to restore ...
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(University of Pretoria, 2019-12)The South African forestry industry largely relies on seed for its replanting programs following clear-felling. The high cost of Eucalyptus seed and planting targets makes it imperative to start with pathogen-free seeds ...
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(University of Pretoria, 2021)The role of fire in Miombo forest ecosystems as an important forestry management tool for sustaining tree biodiversity has increasingly been recognized. In Malawi, there has been a limited or lack thereof of research ...
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(University of Pretoria, 2021-08)Studies focusing on the impact of forest and cropland fractal geometry (FRAC) on soil loss, erosion severity and patch morphology are rare and the gap is particularly large in the Miombo ecosystem leaving substantial ...
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(University of Pretoria, 2020)The Miombo woodland vegetation of southern Africa has been subjected to anthropogenic pressures in recent years, resulting in a change in its cover and floristic-structural composition, and the population status of important ...
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(University of Pretoria, 2022)Successful tree species establishment depends on the quality of nursery-raised seedlings and good silvicultural practices such as appropriate site x species matching, site preparation, tending and tree protection. Commercial ...
Now showing items 1-20 of 25