Browsing Research articles (Dept of Environmental Science) by Issue Date
Now showing items 41-60 of 65
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Current impact of mining alkaline rocks on Save River water quality in Zimbabwe
(Elsevier http://www.linkinghub.elsevier.com/retrieve/pii/S1464343X09000491, 2009)Alkaline rocks (phosphate deposits in particular) of igneous origin are currently being mined in Zimbabwe. Exploitation of these deposits, which are associated with metals and non-metals, provides a potential for changing ... -
Cultural tourism and livelihood diversification: The case of Gcwihaba Caves and XaiXai village in the Okavango Delta, Botswana
(Taylor and Francis http://dx.doi.org/10.1080/14766820902829551, 2009)This paper uses the livelihoods framework to analyse how cultural tourism can diversify livelihoods at XaiXai village in the Okavango Delta, Botswana. Both primary and secondary data sources were used in this study. ... -
Comparative assessment of water infiltration of soils under different tillage systems in eastern Botswana
(Elsevier Science Ltd, http://www.elsevier.com/locate/pce, 2009)Water infiltration is an important component of water balance for improving crop production potential in dryland soil tillage systems in Botswana, particularly in the eastern region. Hardsetting soils common in arable ... -
Pollution implications of Save River water from weathering and dissolution of metal hosting minerals at Dorowa phosphate mine, Zimbabwe
(Elsevier Science Ltd, http://www.elsevier.com/locate/pce, 2010)The study set out to determine the weathering and dissolution of metal hosting minerals at Dorowa for purposes of deducing pollution potential to the nearby Save River. Phosphate rock is mined at Dorowa for the production ... -
Comparative analysis of heavy metal concentration in secondary treated wastewater irrigated soils cultivated by different crops
(Springer, http://link.springer.com/, 2010-03)The use of treated urban wastewater for irrigation is a relatively recent innovation in Botswana and knowledge is still limited on its impact on soil heavy metal levels. The aim of this study is to analyze and compare ... -
Chicken manure-enhanced soil fertility and productivity: effects of application rates
(Academic Journals, http://www.academicjournals.org/JSSEM, 2010-05)The utilization of chicken manure as an organic fertilizer is essential in improving soil productivity and crop production. We carried out the study to assess the effects of chicken manure on soil chemical properties and ... -
Analysis of the effects of kraal manure accumulation on soil nutrient status through time
(Academic Journals, 2010-11)This study investigated the influence of the accumulation of animal wastes on the soils of active kraal sites through time. This investigation involved the sampling and analysis of the soils of kraals that had been in use ... -
Natural attenuation of mining pollutants in the transboundary Save River
(Elsevier Science Ltd, http://www.elsevier.com/locate/pce, 2011)The objective of the study was to investigate the role played by the natural environment in protecting the transboundary Save River from the impacts of metals derived from phosphate mining at Dorowa. The study is a follow ... -
Minerals that host metals at Dorowa Rock Phosphate Mine, Zimbabwe
(Bentham Open, http://www.benthamscience.com/open/tomj/index.htm, 2011)This study set out to establish the major minerals at Dorowa and determine which of those are likely to host metals that may leach into surface and groundwater. This study comes after a preliminary assessment of the water ... -
Comparative effects of secondary treated waste water irrigation on soil quality parameters under different crop types
(Global Science Books, http://www.globalsciencebooks.info/Journals/AJPSB.html, 2011)This study compares soil quality parameters, and salinity and heavy metal levels in soils cultivated with different crops under secondary treated wastewater irrigation in the Glen Valley, near Gaborone City, Botswana. The ... -
Global environmental change and food systems in Southern Africa: The dynamic challenges facing regional policy
(Academic Journals, http://www.academicjournals.org/JGRP, 2011-04)There is a growing concern that Global environmental change (GEC) will exacerbate the stress on Southern African food systems leading to increasing food insecurity, which is signified by rising levels of chronic and ... -
Analysis of persistence soil nutrient statusin abandoned cattle kraals in a semi arid area of Botswana
(Academic Journals, http://www.academicjournals.org, 2011-12-04)The aim of this study was to analyze the depletion of soil nutrients with time on abandoned kraals in a peri-urban area of Botswana. Active kraals are enriched with nutrients through the accumulation of animal droppings ... -
Making markets work for the poor (M4P) approach and smallholder irrigation farming
(Omics Publishing Group; www.omicsgroup.org, 2015)The aim of this article is to show what M4P is, how it came into being and how it has been used to guide intervention in different context and to weigh the extent to which it can be used to guide the study and interventions ... -
Seasonal diet preference of cattle, sheep and goats grazing on the communal grazing rangeland in the Central District of Botswana
(Academic Journals; http://www.academicjournals.org/AJAR, 2015-07-16)Diet composition, forage preference and diet overlap among of goats, sheep and cattle grazing on communal rangeland in the Central District of Botswana were evaluated to determine the potential for forage competition to ... -
Land use, rangeland degradation and ecological changes in the southern Kalahari, Botswana
(John Wiley & Sons Ltd., https://onlinelibrary.wiley.com/, 2016-02-09)Dual‐scale analyses assessing farm‐scale patterns of ecological change and landscape‐scale patterns of change in vegetation cover and animal distribution are presented from ecological transect studies away from waterpoints, ... -
Sustainability management and tourism impacts on communities: Residents’ attitudes in Maun and Tshabong, Botswana
(AfricaJournals, https://www.ajhtl.com/, 2017)Sustainability management and especially socio-cultural sustainability of tourism is premised on community awareness, participation and deriving socio-economic benefits from tourism. The purpose of the study was to ... -
A case for the promotion of indigenous knowledge for entrepreneurship development in developing countries: The case of Botswana
(Office of Research and Development, University of Botswana. http://journals.ub.bw/index.php/pula/index, 2017)The past decade has experienced economic recession which has manifested itself in higher unemployment figures, especially among the youth including university graduates. For those countries endowed with indigenous knowledge ... -
Inappropriate use of agrochemicals poses potential threats to Botswana vultures: a call for research and legal instruments
(The Botswana Society, http://journals.ub.bw/index.php/bnr/index, 2017)Agrochemicals are widely used across the world to serve different purposes. However, inappropriate use of agrochemicals affects wildlife particularly non-target species such as vultures. In this paper, we discuss the ... -
Impact of bias‐corrected reanalysis‐derived lateral boundary conditions on WRF simulations
(American Geophysical Union, https://agupubs.onlinelibrary.wiley.com/journal/19422466, 2017-07-13)Lateral and lower boundary conditions derived from a suitable global reanalysis data set form the basis for deriving a dynamically consistent finer resolution downscaled product for climate and hydrological assessment ... -
Impact and control of desertification in the drylands: a review article
(International Society for Development and Sustainability (ISDS), Japan. https://isdsnet.com/ijds.html, 2018)The inherent variation in the impacts of desertification and the criteria and methods used for its control significantly influence the success of its combat. This paper provides a critical review of the empirical studies ...