Okavango Research Institute (ORI): Recent submissions
Now showing items 221-240 of 270
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The "shrinking commons" in the Lake Ngami grasslands, Botswana: the impact of national rangeland policy
(http://www.routledge.com/, 2009)This paper analyses land management policy using land use mapping, interviews with farmers and other stakeholders, and a review of secondary material. The study was carried out in the Lake Ngami area of Ngamiland District ... -
The tropical African mercury anomaly: lower than expected mercury concentrations in fish and human hair
(Elsevier, 2011-02-20)Mercury is a neurotoxin and global pollutant, and wetlands and newly flooded areas are known to be sites of enhanced production of monomethylmercury, the form of mercury that is readily biomagnified in aquatic food chains ... -
Changes on traditional livelihood activities and lifestyles caused by tourism development in the Okavango Delta, Botswana
(Elsevier, 2010-09-05)The Community-Based Natural Resource Management (CBNRM) program in Botswana aims at achieving conservation and rural development. In the Okavango Delta, some communities are involved in tourism through CBNRM to improve ... -
Will reconnecting ecosystems allow long-distance mammal migrations to resume? A case study of a zebra Equus burchelli migration in Botswana
(Fauna & Flora International, 2010-04-07)Terrestrial wildlife migrations, once common, are now rare because of ecosystem fragmentation and uncontrolled hunting. Botswana historically contained migratory populations of many species but habitat fragmentation, ... -
Nutrient limitations on aboveground grass production in four savanna types along the Kalahari Transect
(Elsevier, 2010-02-19)The Kalahari Transect (KT) is an International Geosphere–Biosphere Programme mega-transect designed to examine hydrological and ecological patterns and processes throughout the savannas of southern Africa. The KT traverses ... -
Common pool resource management among San communities in Ngamiland, Botswana
(Routledge, 2009-12-14)The contestation for common pool resources in Botswana pits powerful institutions such as national governments and international organisations against powerless local communities who continue to rely heavily on these ... -
Interactions between fire and flooding in a southern African floodplain system (Okavango Delta, Botswana)
(Springer: http://www.springerlink.com, 2006)A series of 98 satellite images was analysed to reconstruct the fire and flood history of a floodplain system in southern Africa(Okavango Delta, Botswana). The data was used to investigate interactions between fire and ... -
Cadmium sorption by Moringa stemopetala and Moringa oleifera seed powders: Batch, time, temperature, pH and adsorption isotherm studies
(Academic Journals: http://www.academicjournals.org/, 2010-05)There is a widespread recognition that the presence of heavy metals such as cadmium in water is hazardous to the environment and human health and their discharge into surface waters is of great concern worldwide. The use ... -
The tropical African mercury anomaly:lower than expected mercury concentrations in fish and human hair
(Elsevier, 2011)Mercury is a neurotoxin and global pollutant, and wetlands and newly flooded areas are known to be sites of enhanced production of monomethylmercury, the form of mercury that is readily biomagnified in aquatic food chains ... -
Functional conservation areas and the future of Africa's wildlife
(Wiley, 2010-11)Ungulate populations in African conservation areas (CAs) are in widespread decline, which can largely be attributed to a lack of functionality of the area encompassed by the CAs themselves. We present evidence from a wide ... -
Satellite based long-term assessment of rangeland condition in semi-arid areas: an example from Botswana
(Elsevier, 2010-12-14)A methodology was devised for comparison of generalised range condition over time, irrespective of the nature of original imagery used. It was applied for range condition change mapping throughout Botswana through 1984-2000. ... -
Relative effects of visualized and verbal presentation methods in communicating environmental information among stakeholders: Okavango Delta, Botswana
(http://www.informaworld.com, 2011-04-12)The present study examined the relative effectiveness of 2 public instructional communication methods in improving selected predictors of knowledge-sharing behaviors among communities in the Okavango Delta, Botswana. A ... -
Communicating in the public sphere: attitudes toward different public instructional communication methods
(Taylor & Francis, 2011-02-18)An effective response to global environmental challenges requires analysis of communication patterns, processes and approaches. In addition, improving communication through emerging information and communication technologies ... -
Global monitoring of wetlands - the value of ENVISAT ASAR Global mode
(Elsevier, 2008-03-17)This paper elaborates on recent advances in the use of ScanSAR technologies for wetland-related research. Applications of active satellite radar systems include the monitoring of inundation dynamics as well as time series ... -
The Okavango: whose Delta is it?
(Elsevier, 2009-07-15)The Okavango Delta is amongst the largest Ramsar sites (http://www.ramsar.org/sitelist.pdf) in the world and an important wetland for community livelihoods, conservation and tourism in Botswana. Over the years, the utilization ... -
The Okavango: whose Delta is it?
(Elsevier www.elsevier.com/locate/pce, 2009)The Okavango Delta is amongst the largest Ramsar sites (http://www.ramsar.org/sitelist.pdf) in the world and an important wetland for community livelihoods, conservation and tourism in Botswana. Over the years, the ... -
Constraints and potentials of the fish market in the Okavango Delta, Botswana
(Academic Journals, 2010-12-04)The Okavango Delta is the largest multi-species and multi-gear fishery in Botswana. However, there is lack of an understanding of the nature of fish market in the Delta. The objectives of the survey were (1) to identify ... -
Impact on water quality of land uses along Thamalakane-Boteti River: an outlet of the Okavango Delta
(Elsevier, 2008-07-08)Botswana is a semiarid country and yet has one of the world’s famous wetlands: the Okavango Delta. The Thamalakane- Boteti River is one of the Delta’s outlets. The water quality of the Thamalakane-Boteti River was ... -
Land-use and resource conflicts in the Okavango Delta, Botswana
(Wiley, 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 ... -
Deltamethrin in sediment samples of the Okavango Delta, Botswana
(South African Water Research Commission http://www.wrc.org.za, 2006)Deltamethrin concentrations were determined in 35 sediment samples collected from three different habitats: channel, lagoon and pool sites from Xakanaxa in the Okavango Delta, NW Botswana. The samples were Soxhlet-extracted ...