Browsing Research articles (Dept of Environmental Science) by Title
Now showing items 26-45 of 65
-
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 of desertification on livelihoods in Katsina State, Nigeria
(Center for Promoting Ideas (CPI), USA., http://www.jalsnet.com/, 2018-06)Is one of the overwhelming environmental problems in Katsina State where 75% of its nearly 6 million people on a 24,192 km2 of land depend on agriculture. Few studies have been undertaken to enhance the state of 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 ... -
Influence of seasonal flooding on soil total nitrogen, organic phosphorus and microbial populations in the Okavango Delta, Botswana
(Journal of Arid Environments. http://www.elsevier.com/wps/find/journaldescription.cws_home/622855/description#description, 2003)The effect of flooding on soil total nitrogen, phosphorus and microbial population in different vegetation zones (floodplain, island and woodland) and profile depth (0?1, 0?5, 2?0, 3?0, 4?0 and 5?0m) of the Okavango ... -
Influence of sodium adsorption ratio on sodium and calcium breakthrough curves and saturated hydraulic conductivity in soil columns.
(Csiro, http://www.publish.csiro.au/nid/84.htm, 2007)The paper examines the effects of electrolyte concentration and sodium adsorption ration (SAR) on the relative saturated hydraulic conductivity (RHC) and the ionic behaviour of calcium (Ca) and sodium (Na) ions in the Na-Ca ... -
Instruments for sustainable solid waste management in Botswana
(Sage http://wmr.sagepub.com/cgi/content/abstract/19/4/342, 2001)Sustainable solid waste management is a strategy for achieving environmental quality in both the developed and the developing world. Environmental quality is a necessary condition for an increase in per capita welfare over ... -
Integrating policy, disintegrating practice:water resources management in Botswana
(Elsevier, http://www.linkinghub.elsevier.com/retrieve/pii/S1474706504001834, 2004)Botswana is generally regarded as an African success story. Nearly four decades of unabated economic growth, multi-party democracy, conservative decision-making and low-levels of corruption have made Botswana the darling ... -
Intergenerational bargaining and wealth flows in the era of HIV/AIDS: emerging trends in Old Naledi-Gaborone, Botswana
(Taylor & Francis (Routledge), http://jir.ucsur.pitt.edu/, 2008)Based on the intergenerational wealth flows conceptual framework, this paper investigates how the AIDS pandemic threatens to disrupt the transfer of resources between generations by using a typical low income urban area ... -
Investigating the applicability of nexus thinking to private protected areas; the case of Mokolodi Nature Reverse, Southeast Botswana
(University of Botswana, www.ub.bw, 2019-09)World-wide, Community Based Natural Resources Management (CBNRM) has gained international attention for reconciling common pool resource management with needs and aspirations of the local people. Regionally, Zimbabwe’s ... -
Land tenure and management reforms in East and Southern Africa - the case of Botswana
(Elsevier Science Ltd. http://www.elsevier.com/locate/landusepol, 2000)Since attainment of independence, almost every country in East and Southern Africa has introduced some kind of land reform aimed at reconciling indigenous land tenure practices and those introduced by colonial regimes. ... -
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, ... -
Localized wood resource depletion in Botswana: Towards a demographic, institutional and cosmovisional explanation
(Taylor & Francis Ltd, http://www.tandf.co.uk/journals/cepe, 2002)In sub-Saharan Africa, communal land resource utilization and management has reflected changes in sociocultural belief systems, population dynamics, and modes of societal administration and regulation. This paper, based ... -
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 ... -
Mineralogical appraisal of sediments of duricrust suites and pans around Jwaneng area, Botswana
(Bioline http://www.bioline.org, 2007)A mineralogical investigation of duricrust suites in Letlhakeng valley, and five pans around Jwaneng in Botswana was undertaken in order to know the mineral assemblages and infer on their landscape formation. In Letlhakeng, ... -
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 ... -
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 ... -
Natural resources accounting: A tool for water resources management in Botswana
(Elsevier, http://www.elsevier.com/wps/find/journaldescription.cws_home/413/description#description, 2007)Natural Resource Accounting (NRA) has become an important environmental/natural resources management tool in recent years. It provides information on stocks of a resource available at a particular point in time and what ... -
The new role of the construction manager/client engineer/quantity surveyor
(Royal Institute of Chartered Surveyors http://www.rics.org/site/download_feed.aspx?fileID=5042&fileExtension=PDF, 2009)The traditional contracting/delivery system in Botswana, introduced by the US, UK, and European educators, consultants, and practitioners, has not been working well in Botswana. The poor project delivery system results ... -
Nitrogen cycling in the soil–plant system along a precipitation gradient in the Kalahari sands
(Blackwell Publishing, 2004-01-01)Nitrogen (N) cycling was analyzed in the Kalahari region of southern Africa, where a strong precipitation gradient (from 978 to 230mm mean annual precipitation) is the main variable affecting vegetation. The region is ... -
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 ...