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Showing items 1 through 9 of 112.
  1. Library Resource
    Journal Articles & Books
    December, 2015
    Botswana

    The objective of this study was to determine the impact of livestock grazing management systems on soil and vegetation dynamics under different environmental conditions of Botswana. Soil and vegetation were randomly sampled along transects located in three ranches and adjacent communal grazing land in 2009 and 2010. Our results showed that grazing management systems did not consistently affect soil texture, organic carbon, pH and bulk density.

  2. Library Resource
    Journal Articles & Books
    December, 2015
    South Africa, Southern Africa

    Land degradation in the Little Karoo is extensive. Overstocking of breeding ostriches on natural veld has been among the main causes of this. The National Department of Agriculture has set a general stocking rate of 60 ha LSU ⁻¹ as a guideline for livestock on natural veld in the Little Karoo, which equates to 22.8 ha ostrich ⁻¹.

  3. Library Resource
    Journal Articles & Books
    December, 2012
    South Africa, Southern Africa

    Through investigating the reactions of commercial farmers to land and water reforms in the Trichardtsdal-Ofcolaco area, Limpopo Province, Olifants Basin, South Africa, from 1997 to 2006, it is shown that water claims are key to land redistribution processes, and that commercial farmers make strategic use of arguments for nature conservation and ecological stewardship to defend their claims to water.

  4. Library Resource
    Journal Articles & Books
    December, 2012
    Botswana

    Local and national public sector stakeholders are considered to be primary stakeholders and their knowledge and support for conservation initiatives of transfrontier parks are important for sustainable management of resources. Hence, it is critical to assess the attitudes and opinions of a major stakeholder group in order to establish partnerships between protected areas (PAs), adjacent communities and other management agencies.

  5. Library Resource
    Journal Articles & Books
    December, 2014
    Ethiopia

    This paper examines claims and conflicts in the management of the Abijata-Shalla Lakes National Park in the Central Rift Valley of Ethiopia. We used data from households, key informants (elders, park managers), and focus group discussions. Poor wildlife policy resulting in space competition between wildlife and humans (other forms of land use), limited means of revenue generation for insiders and centralized benefits from tourism have accumulated grievance and then conflict between national park authority and local communities.

  6. Library Resource
    Journal Articles & Books
    December, 2013
    South Africa, Southern Africa

    Urban agriculture is potentially an important element of land reform and economic development programmes in South Africa. The social value of urban agriculture, such as improving food security, developing a sense of community and promoting ecological conservation, is well documented. But in order to effectively contribute to development agendas, urban agriculture must also present viable, sustainable economic opportunities. This study sets forth vegetable box schemes as a context-appropriate, economically feasible urban agriculture enterprise for which there is growing consumer demand.

  7. Library Resource
    Journal Articles & Books
    December, 2011
    Kenya, Africa

    In sub-Saharan Africa, natural vegetation is being transformed into agricultural lands at a fast rate, endangering ecosystem services and increasing soil-loss potential, which may trigger land degradation. For the Taita Hills study area in Kenya, multi-temporal land-cover models of 1987, 1999 and 2003, derived from Satellite Pour l'Observation de la Terre (SPOT) imagery using a multi-scale segmentation/object relationship modelling (MSS/ORM) methodology and a rainfall layer, a digital elevation model (DEM) and a digital soil map were applied to model potential soil loss.

  8. Library Resource
    Journal Articles & Books
    December, 2011
    Nigeria

    Natural and anthropogenic processes and products of mining affect quality of life in highly mineralised areas, such as the derelict Enyigba-Abakaliki agriculture-oriented lead–zinc mining area, which has degradation of land and groundwater resources. This study establishes that Nigeria and other developing nations should maximise the benefits and mitigate the negative impacts of adverse natural and mining activities so as to achieve poverty alleviation.

  9. Library Resource
    Journal Articles & Books
    December, 2012
    Africa

    This study compares the ASTER Global DEM version 1 (GDEMv1) and version 2 (GDEMv2) for two study sites with distinct terrain and land cover characteristics in western Africa. The effects of land cover, slope, relief, and stack number are evaluated through both absolute and relative DEM statistical comparisons. While GDEMv2 at times performed better than GDEMv1, this improvement was not consistent, revealing the complex nature and interaction of terrain and land cover characteristics, which influences the accuracy of GDEM tiles on local and regional scales.

  10. Library Resource
    Journal Articles & Books
    December, 2012
    Egypt

    Due to the progressive increase in population, sustainable development of desert land in Egypt has become a strategic priority in order to meet the increasing demands of a growing population for food and housing. Such obligations require efficient compilation of accurate land-cover information in addition to detailed analysis of archival land-use changes over an extended time span. In this study, we applied a methodology for mapping land cover and monitoring change in patterns related to agricultural development and urban expansion in the desert of the Kom Ombo area.

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