Research articles (ORI): Recent submissions
Now showing items 201-220 of 270
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Prospects of basket production in promoting sustainable rural livelihoods in the Okavango Delta, Botswana
(John Wiley and Sons, http://www.wiley.com, 2004)This paper uses the concept of sustainable rural livelihoods and income diversification to assess the role that basket making as a cultural tourism activity can play in improving rural livelihoods in the Okavango Delta, ... -
The socio-cultural impacts of tourism development in the Okavango delta, Botswana
(Routledge, http://www.informaworld.com, 2004)The objective of this article is to assess the socio-cultural impacts of tourism development in the Okavango Delta, Botswana. This paper largely relied on the research work and reports by the author in the Okavango Delta ... -
Causes and possible solutions to water resource conflicts in the Okavango River Basin: The case of Angola, Namibia and Botswana
(Elsevier, www.elsevier.com, 2004)This paper reviews available literature concerning water resources use in the Okavango River Basin (ORB). It describes a number of common arguments regarding possibilities for the emergence of violent conflict in and among ... -
Relationship between small-scale structural variability and simulated vegetation productivity across a regional moisture gradient in southern Africa
(2011-11-23)The observed variability in vegetation structure within landscapes was used as the basis for model estimates of the range of annual productivity of landscape patches at four sites along a moisture gradient in southern ... -
Minerals that host metals at Dorowa Rock Phosphate Mine, Zimbabwe
(Bentham Open, 2010)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 ... -
Habitat utilization by impala (Aepyceros melampus) in the Okavango Delta
(Botswana Society, 2005)This paper presents preliminary results from a long-term study on the ecology of large herbivores in the Okavango Delta. The paper evaluates habitat selection and utilization by impala (Aepyceros melampus) at the various ... -
Biomass and leaf-level gas exchange characteristics of three African savanna C4 grass species under optimum growth conditions
(Blackwell, www.blackwell.co.uk, 2009-08)C4 savanna grass species, Digitaria eriantha, Eragrostis lehmanniana and Panicum repens, were grown under optimum growth conditions with the aim of characterizing their above- and below-ground biomass allocation and the ... -
A preliminary survey and analysis of the spatial distribution of aquatic invertebrates in the Okavango Delta, Botswana
(African Journal of Aquatic Science http://www.nisc.co.za/journals?id=2, 2006)The spatial distribution of aquatic macroinvertebrates in the Okavango River Delta, Botswana, was investigated during the low-water period in February 2003. This complements an earlier study undertaken during high-water ... -
Incorporating uncertainty into adaptive, transboundary water challenges: a conceptual design for the Okavango River Basin
(Inderscience, http://www.inderscience.com, 2008)In this paper, we present a review and conceptual design to integrate hydrological/ecological models, global uncertainty and sensitivity analysis, integrative modelling and decision analysis for complex and adaptive ... -
Environmental variability and the fishery dynamics of the Okavango Delta, Botswana: the case of subsistence fishing
(Blackwell Publishing, http://www.blackwellpublishing.com, 2009)The hydrological regime of the Okavango River Basin is the main driver of ecological change in the delta. The delta supports a small-scale fishery which is a source of livelihood for communities within its fringes. The ... -
Aquatic ecosystem responses to fire and flood size in the Okavango Delta: observations from the seasonal floodplains
(Springer, http://www.springer.com, 2010-07-19)The frequency of fires in the Okavango Delta seasonal floodplains peaked at an intermediate frequency of flooding. Floodplains are commonly burnt every 3–5 years. This study showed fundamental changes in ecosystem properties ... -
Pollution implications of Save River water from weathering and dissolution of metal hosting minerals at Dorowa phosphate mine, Zimbabwe
(Elsevier. http://www.elsevier.com, 2010-08-20)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 ... -
Tropical wetlands: seasonal hydrologic pulsing, carbon sequestration and methane emissions
(Springer, http://www.springer.com, 2010)This paper summarizes the importance of climate on tropical wetlands. Regional hydrology and carbon dynamics in many of these wetlands could shift with dramatic changes in these major carbon storages if the inter-tropical ... -
Land-use and resource conflicts in the Okavango Delta, Botswana
(Blackwell, http://www.wiley-blackwell.com, 2009)This study assesses land-use conflicts in the Okavango wetland ecosystem. A survey of the livelihood activities of a sample of four villages has been carried out and a stakeholder approach used to identify and analyse the ... -
Regeneration of seven indigenous tree species in a dry Afromontane forest, southern Ethiopia
(Elsevier, www.elsevier.com, 2010)Regeneration of seven indigenous tree species having significant ecological and economic importance was investigated in the Munessa-Shashemene dry Afromontane forest (MSF), southern Ethiopia. Densities and distributions ... -
Forest transition pathways in Asia - studies from Nepal, India, Thailand, and Cambodia
(Taylor & Francis, 2011-06-03)Tropical forest habitat continues to decline globally, with serious consequences for environmental sustainability. The South/Southeast Asian landscapes represent one of the most challenging parts of the world to study ... -
Social and ecological factors and land-use land-cover diversity in two provinces in southern Asia
(Taylor & Francis, 2009-10-23)The trend of land cover (LC) and land cover change (LCC), both in time and space, was investigated at the Simen Mountains National Park (SMNP), a World Heritage Site located in northern Ethiopia, between 1984 and 2003 using ... -
Trait-environment relations for dominant grasses in South African mesic grassland support a general leaf economic model
(Wiley Online Library, 2011-03-04)Question: Following the framework of Suding et al.(2003), we examined whether morphological traits (organismal response), tolerance and competitive effect (specific process response) were associated with grass dominance ... -
A laboratory assessment of the potential molluscicidal potency of Jatropha curcas aqueous extracts
(Taylor & Francis, 2008-05-05)Preliminary laboratory studies were conducted to determine the molluscicidal potency of Jatropha curcas, the physic nut. Biomphalaria glabrata and Bulinus globosus snails were exposed to varying concentrations of aqueous ... -
Impact of deltamethrin aerial sprays on adult Cyrtobagous salviniae in Botswana
(Taylor & Francis, 2010-12-22)The risk and effect of the insecticide deltamethrin, applied aerially in Botswana to control and eradicate tsetse fly, was studied on the non-target weevil Cyrtobagous salviniae, a biocontrol agent of the aquatic weed ...