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Now showing items 41-50 of 93
Use of the geochemical and biological sedimentary record in establishing palaeo-environments and climate change in the Lake Ngami basin, NW Botswana
(Elservier, www.elsevier.com, 2006)
Sediment samples from a continuous 4.6 m profile in the dry bed of Lake Ngami in NW Botswana were analysed for geochemistry and dated using both 14C and TL methods. Certain units in the profile were found to be diatom rich ...
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 ...
Simulation of DOM fluxes in a seasonal floodplain of the Okavango Delta, Botswana
(Elsevier, www.elsevier.com/locate/ecolmodel, 2007)
In order to examine dissolved organic matter (DOM) fluxes in seasonal wetland systems
that expand and contract seasonally, a time-variable model of dissolved organic carbon
(DOC) was developed for a seasonal floodplain ...
Aspects of seasonal dynamics of flooding in the Okavango delta
(Botswana Society, 2005)
Seasonal changes in inundation area and peak flood occurrence in the Okavango Delta are analysed using a multiple regression technique. The multiple regression models developed constitute useful and simple tools for ...
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 ...
Grazers species-packing in the Okavango Delta, Botswana
(Willey Blackwell Publishing http://eu.wiley.com/WileyCDA/Brand/id-35.html, 2007)
We used body weight ratio to determine the degree of species-packing of the Okavango Delta (22,000 km2) grazers and compared it to that of four conservation areas
of similar sizes but varying in the diversity of habitat ...
Looking for progenitors: a molecular approach to finding the origins of an invasive weed
(Kluwer Academic Publishers, http://www.springerlink.com, 2002-11-28)
One of the major problems in determining the origin of invasive species is that often their arrival is unnoticed. Only when population levels increase is their presence noticed but by this time determining the point of ...
Flooding dynamics in a large low-gradient alluvial fan, the Okavango delta, Botswana, from analysis and interpretation of 30-year hydrometric record
(Hydrology and Earth Systems Sciences, www.hydrology-and-earth-system-sciences.net, 2006)
The Okavango Delta is a flood-pulsed wetland, which supports a large tourism industry and the subsistence
of the local population through the provision of ecosystem services. In order to obtain insight into the influence ...
Effects of global positioning system collar weight on zebra behavior and location error
(Wildlife Society http://joomla.wildlife.org/index.php?option=com_content&task=view&id=43, 2008)
Global Positioning System (GPS) collars are increasingly being used to study fine-scale patterns of animal behavior. Previous studies on GPS collars have tried to determine the causes of location error without attempting ...
The challenges of supplying water to small, scattered communities in the Lower Okavango Basin (LOB), Ngamiland, Botswana: An evaluation of government policy and performance
(Elsevier, www.elsevier.com/locate/pce, 2007)
Supplying adequate water and sanitation facilities to small, scattered rural communities and/or large, fast growing settlements in
remote areas is a challenge not easily met anywhere in the world. This article focuses on ...