Research articles (ORI): Recent submissions
Now showing items 261-270 of 270
-
Results from the EO-1 experiment - A comparative study of Earth Observing-1 Advanced Land Imager (ALI) and Landsat ETM+ data for land cover mapping in the Okavango Delta, Botswana
(Taylor & Francis; http://www.tandf.co.uk/journals/titles/01431161.asp, 2005-10)The Earth Observing-1 (EO-1) satellite acquired a sequence of data in 2001 and 2002 that highlighted the annual flooding of the lower Okavango Delta. The data were collected as part of the calibration/validation programme ... -
Indicators of desiccation-driven change in the distal Okavango Delta, Botswana
(Elsevier Ltd; www.elsevier.com/locate/jaridenv, 2007-01)This work seeks to determine whether riparian woody plant variables respond to drying and salinity regimes in the semi-arid distal Okavango Delta, northern Botswana. Structural and compositional variables were obtained ... -
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 ... -
The Okavango; a river supporting its people, environment and economic development
(Elsevier; www.elsevier.com/locate/jhydrol, 2006)The Okavango basin comprises the Cuito and Cubango active catchment areas in Angola, in addition to the Kavango's Okavango non-active catchment in northern Namibia and Botswana. The Okavango River water and its ecosystem ... -
Cryptic indicators of provenance from the geochemistry of the Okavango Delta sediments, Botswana
(Elsevier; http://www.elsevier.com/wps/find/journaldescription.cws_home/503361/description#description, 2005)[Please note that chemical formulae do not display properly]:The siliciclastic sediments of the Okavango inland Delta of northwest Botswana have a modal composition of quartz arenites and result from a complex history, ... -
Use of the geochemical and biological sedimentary record in establishing palaeo-environments and climate change in the Lake Ngami basin, NW Botswana
(Elsevier; http://www.elsevier.com/wps/find/journaldescription.cws_home/865/description#description, 2007-02-07)[Please note chemical formulae do not display correctly in this abstract]. Sediment samples from a continuous 4.6m profile in the dry bed of Lake Ngami in NW Botswana were analysed for geochemistry and dated using both 14C ... -
Fire activity on drylands and floodplains in the southern Okavango Delta, Botswana
(Elsevier; http://www.elsevier.com/wps/find/journaldescription.cws_home/622855/description#description, 2006-05-08)Satellite imagery derived fire history data for the southern Okavango Delta, Botswana from 1989 to 2003 were used to analyse the temporal and spatial distribution of fires and to assess changes in fire activity. Maximum ... -
Characterization of arsenic occurrence in the water and sediments of the Okavango Delta, NW Botswana
(Elsevier Science B.V. Amsterdam; http://www.elsevier.com/wps/find/journaldescription.cws_home/768/description#description, 2006)Detailed chemical analyses were performed on surface water, groundwater and sediment samples collected from the Okavango Delta between February and November 2003 in order to examine the distribution and geochemistry ... -
Pathways of Human Sprawl in Wilderness Buffer Zones
(Population Environment; Springer Netherlands; http://www.springerlink.com/content/0t141ml76q32717m/, 2006-01)Intensification of human sprawl in buffer zones of globally important African wilderness areas is of worldwide concern. The paper identifies two major conflicting (yet potentially reconcilable) pathways of rural sprawl in ... -
The Effects of Veterinary Fences on Wildlife Populations in Okavango Delta, Botswana
(International Journal of Wilderness; http://ijw.wilderness.net/, 2006-12)This article examines the effects of veterinary fences on wildlife populations in the Okavango Delta, Botswana. Using data from secondary data sources, findings indicate that the existence of veterinary fences in the ...