Browsing Environmental Science by Title
Now showing items 1-20 of 65
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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 ... -
Analysis of rainfall and temperature time series to detect long-term climatic trends and variability over semi-arid Botswana
(Indian Academy of Sciences, https://www.ias.ac.in/Journals/Journal_of_Earth_System_Science/, 2018-03)Arid and semi-arid environments have been identified with locations prone to impacts of climate variability and change. Investigating long-term trends is one way of tracing climate change impacts. This study investigates ... -
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 ... -
Assessment of the concentration of heavy metals associated with landfill leachate in Gamodubu soils in the Kweneng District, Botswana
(International Scholars Journals, http://internationalscholarsjournals.org/journal/ajss/home, 2019-01)Composting is a common method of household waste in developing countries such as Botswana. However, compost can introduce heavy metals which are harmful to the environment. High concentrations of heavy metals are toxic ... -
Assessment of vegetation indexes useful for browse (forage) prediction in semi-arid rangelands
(Taylor and Francis http://www.clas.ufl.edu/lueci/southworth/RS-class-advanced/Discussion-readings/Moleele%20et%20al%202001%20Assessment%20of%20veg%20indexes%20i.pdf, 2001)Considerable signi® cance is placed on the mapping and monitoring of degraded areas in semi-arid regions of the world, including Botswana. Degraded areas include those suVering from bush encroachment, believed to result ... -
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 ... -
Characterization of agriculture-related land degradation in eastern and western parts of Botswana
(University of Botswana, http://www.ub.bw, 2005-04)A study was carried out during 1998-2001 with the objective of, firstly, assessing the impact of cultivation on soil quality, and secondly, evaluating the effects of human and animal activities on soil erosion and range ... -
Characterization of soils in the Gamodubu landfill area in the Kweneng District, Botswana
(International Scholars Journals, http://internationalscholarsjournals.org/journal/ajss/home, 2019-01)Understanding soil attributes guides arable farming initiatives in many countries, especially developing countries. In this study, soils of the Gamodubu area, in the Kweneng District, Botswana, were analysed to determine ... -
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 ... -
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 ... -
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 ... -
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 ... -
Contending with unequal and privileged access to natural resources and land in the Okavango Delta, Botswana
(Blackwell http://www.wiley.com/10.1111/j.1467-9493.2008.00332.x, 2008)This paper reviews how state policy and regulatory instruments, including protected area alienations and concessions, have altered or denied the access to land and natural livelihood resources of the indigenous Basarwa ... -
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. ... -
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 ... -
Decrease in hydraulic conductivity in saturated soil columns and particle release associated with self-filtration in saturated soil columns
(Elsevier http://www.linkinghub.elsevier.com/retrieve/pii/S0016706108001365, 2008)The dynamics of the process of self-filtration in soil columns have been evaluated for two soils with different structural cohesion (Balkuling agricultural soil and a mining residue) by carrying out experiments focusing on ... -
Desiccation of the Gomoti River: Biophysical process and indigenous resource management in Northern Botswana
(Elsevier http://www.doi:10.1016/j.jaridenv.2005.02.001, 2005)For at least 200 years, Gomoti River people and their neighbours lived interactively with the Okavango flood pulse system, travelling widely in dugout canoes, practicing flood recession agriculture, fishing, hunting, and ... -
The effects of the water management framework and the role of domestic consumers on urban water conservation in Botswana
(Routledge http://dx.doi.org/10.1080/02508060802475415, 2008)This article examines the adverse effects of a fragmented water management framework and the role of domestic water users on water conservation in Gaborone, the rapidly growing capital city of Botswana. There was a major ... -
Enclave tourism and its socio-economic impacts in the Okavango Delta, Botswana
(Elsevier http://www.doi:10.1016/j.tourman.2003.11.005, 2005)This paper draws on the dependency paradigm to explain the development of enclave tourism and its socio-economic impacts in the Okavango Delta, Botswana. Using both primary and secondary data source, the study indicates ... -
Energy sector policies in Botswana and their implications for global climate change
(Kluwer Academic Publishers, http://www.springerlink.com/content/102895/, 2002)Like most African countries, Botswana contributes almost insignificantly to global greenhouse emissions (GHGs). In this context, some have argued that energy policy and legislative measures to regulate emissions in Botswana ...