Browsing Okavango Research Institute (ORI) by Title
Now showing items 157-176 of 196
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Soil carbon inventories and δ13C along a moisture gradient in Botswana
(John Wiley and Sons, www.wiley.com, 2004)We present a study of soil organic carbon (SOC) inventories and δ13C values for 625 soil cores collected from well-drained, coarse-textured soils in eight areas along a 1000 km moisture gradient from Southern Botswana, ... -
Soil factors that influence the abundance and distribution of threatened and endangered species in the Okavango Delta; with particular emphasis on Eulophia angolensis
(Scientific Research Publishing, http://www.scirp.org, 2015-05-19)Eulophia angolensis is an endangered plant species found in the Okavango Delta. Generally, there is lack of botanical information on this species in Botswana, which is necessary for its in -situ and ex-situ conservation. ... -
Soil microbial biomass carbon, nitrogen and sulphur as affected by different land uses in Seronga, Okavango Delta, Botswana
(Sciencedomain international; www.sciencedomain.org, 2014-02-06)Aim: The Okavango Delta at Seronga is fragmented into different land uses ranging from grasslands to woodland (Ximenia and mopane), often punctuated with cropped and fallow fields. The influence of land uses on surface (A1 ... -
Soils, science and the politics of knowledge: how African smallholder farmers are framed and situated in the global debates on integrated soil fertility management
(Elsevier, http://www.elsevier.com/, 2013)The paper addresses an important and often overlooked cultural aspect of smallholder agriculture in sub-Saharan Africa (SSA). This relates to how different policy organisations conceptualise soil management problem, its ... -
The Southern African Regional Science Initiative (SAFARI 2000): wet season campaigns
(Wageningen Institute for Environment and Climate Research, http://library.wur.nl/, 2002)The Southern African Regional Science Initiative (SAFARI 2000) involved two wet season and one dry season field campaigns. This paper reports on the wet season campaigns. The first was conducted at five sites along the ... -
Spatial and seasonal variation of major cation and selected trace metal ion concentration in the Okavango-Maunachira-Khwai channels of the Okavango delta
(Botswana Society, 2005)The concentration of the metal ions Na, K, Ca, Mg, Zn, Cu, Mn, Co, Fe, Cr, Ni, and Pb were determined in water samples of the Okavango Delta’s panhandle - Maunachira-Khwai water system during periods of high (June 2004) ... -
Spatial and temporal land cover changes in the Simen Mountains National park, a world heritage site in Northwestern Ethiopia
(MDPI Publishing; www.mdpi.com, 2011-01-05)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 ... -
Spatial policy in natural resources governance
(Science Pubblishing Group, http://article.sciencepublishinggroup.com/, 2016-09-29)Governance of natural resources includes issues of power, use, access and most importantly, responsibility. While many people assume natural resources to be free and open for all, most natural resources are in fact under ... -
Species diversity of the Okavango Delta, Botswana
(Springer link, http://link.springer.com, 2006)In the Okavango Delta (about 28,000 km2) the number of identified species is 1,300 for plants, 71 for fish, 33 for amphibians, 64 for reptiles, 444 for birds, and 122 for mammals. The local occurrence of different species ... -
Stand structure, diversity and regeneration status of woody species in open and exclosed dry woodland sites around Molapo farming areas of the Okavango Delta, northeastern Botswana
(Scientific Research Publishing, www.scirp.org/journal/ojf, 2015-03-20)Stand structure, diversity and regeneration status of woody species were investigated in open and exclosed dry woodland sites in Island Safari, Shorobe and Xobe, northeastern Botswana. A total of 105, 111 and 130 quadrats, ... -
State interests and multilateral cooperation: thinking strategically about achieving 'wise use' of the Okavango Delta system
(Elsvier, www.elsevier.com, 2003)This paper explores possibilities for achieving 'wise use’, defined as the sustainable utilization of resources of the Okavango Delta system, within the framework of the Ramsar Convention on Wetlands of International ... -
Status of native woody species diversity and soil characteristics in an exclosure and in plantations of Eucalyptus globulus and Cupressus lusitanica in Northern Ethiopia
(BioOne, www.bioone.org, 2011-05)Exclusion of grazing animals and tree plantations are 2 methods that have been used for restoration of degraded lands in tropical semiarid areas. These 2 options can foster secondary forest succession by improving soil ... -
The Success and Sustainability of Community-Based Natural Resource Management in the Okavango Delta, Botswana
(Society of South African Geographers; http://www.journals.co.za/ej/ejour_sageo.html, 2004)This paper assesses the success and sustainability of Community-Based Natural Resource Management (CBNRM) in the Okavango Delta. It does so by asking the following questions: a) to what extent has CBNRM contributed to ... -
Success factors in community based natural resources management in northern Botswana: Lessons from practice
(Blackwell Publishing, www.blackwellpublishing.com, 2005-08-08)The article explores and examines challenges and lessons learned from the implementation of community based natural resources management (CBNRM) programmes in Ngamiland, northern Botswana. The article, based largely on ... -
Temperature-Emissivity separation with ASTER and LANDSAT 7 validation on the fringe of the Okavango Delta, Botswana
(SPIE, http://link.aip.org, 2004)Land surface temperatures are important in global change studies, in estimating radiation budget, heat balance studies and as control for climate models. Several algorithms for estimating land surface temperature and ... -
Tourism and biodiversity conservation: the case of community-based natural resource management in southern Africa
(CAB International Publishing, www.cabi.org, 2013-01-10)This review analyses the potential of tourism to contribute to biodiversity conservation with particular reference to developing countries. In the last quarter of a century, there has been a global concern about the extent ... -
Tourism in Botswana in the last 50 Years: a review
(Botswana Notes and Records; http://journals.ub.bw/index.php/bnr/, 2017-07-05)Using the concepts of ecotourism and sustainable tourism, this paper reviews tourism development in Botswana since the country’s independence in 1966. Findings from this review indicate that the tourism industry has ... -
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 ... -
Transactional sex relations among tertiary education students in the urban-village of Maun, Botswana
(Botswana Notes and Records;http://journals.ub.bw/index.php/bnr/, 2017-07-05)In southern Africa, multiple factors in given societal contexts motivate transactional sexual relations among women and men. The purpose of this study is to assess socio-economic and cultural factors that influence ... -
Tree–grass competition along a catenal gradient in a mesic grassland, South Africa
(Wiley Online Library; https://onlinelibrary.wiley.com, 2014-03-03)The interaction, both above and belowground, between tree saplings and the surrounding grass sward is dependent on solar radiation, temperature, rainfall, soil depth, tree species and sward composition. These factors, ...