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Showing items 1 through 9 of 1108.
  1. Library Resource
    Journal Articles & Books
    December, 2012

    The effects of conceptual land cover change scenarios on the generation of storm runoffs were evaluated in the Nyando Basin. The spatial scenarios represented alternatives that vary between full deforestation and reforestation. Synthetic storm events of depths 40, 60 and 80mm were formulated according to the rainfall patterns and assumed to have durations corresponding to the runoff times of concentration.

  2. Library Resource
    December, 2014

    Suitable location and influx of immigrants have made pastoral peri-urban Kajiado County a centre of two conflicting interests; urban sprawl and agricultural intensification. To understand the resulting trends over the period 1984-2010 satellite image based analysis of land use cover changes and interviews with landowners were conducted. Interviews focused on the changes and trends in land use, their causes and future forecasts. Percentage changes in land use and land cover types for the years 1984 to 2004, 2004 to 2010 and 1984 to 2010 were determined.

  3. Library Resource
    Journal Articles & Books
    December, 2010

    This study determined the patterns and magnitudes of land cover
    and use changes, their driving factors and impacts on soil quality
    and pasture productivity in Nakasongola district. Satellite data
    (1970 - 2009), surveys, soil and pasture sampling techniques
    were used. Woody and bare encroachments are major changes
    affecting soil quality and pasture productivity. Changes in fire
    regimes, poor stocking densities, termites, climatic variability
    and tree cutting are major drivers of the land cover and use

  4. Library Resource
    Journal Articles & Books
    December, 2018

    Land Use and Land Cover Change (LULCC) is the most prominent cause of Soil Organic Carbon (SOC) variability in any landscape. Kenyan Arid and Semi-Arid Lands (ASALs) have been facing extensive land use/ cover changes in the last three decades prompting a review on the impacts it has on soil quality and consequently on land degradation. This study was carried out in 2016 in Olesharo Catchment, Narok County, one of the prominent ASALs of Kenya.

  5. Library Resource
    Journal Articles & Books
    December, 2018

    Region:East Africa.Focus:A review of catchment studies (n = 37) conducted in East Africa evaluating the impacts ofLand Use and Land Cover Changes (LULCC) on discharge, surface runoff, and lowflows.New hydrological insights:Forest cover loss is accompanied by increased stream discharges andsurface runoff. No significant difference in stream discharge is observed between bamboo andpine plantation catchments, and between cultivated and tea plantation catchments.

  6. Library Resource
    Reports & Research
    December, 2011

    This study evaluates the potential effects of changes in climate, population and land cover on the
    quantity of surface water and groundwater resources in Lake Nakuru and Lake Elmenteita areas.
    Multiple linear regression analysis of the variables was done using Statistical Package for Social
    Sciences (SPSS) to achieve this objective. Population grows in the area at the rate of 3.4% to
    4.5% while natural vegetation cover is diminishing at 2.5% annually. There is constant rise in

  7. Library Resource
    Journal Articles & Books
    December, 2016

    The aim of the study was to assess the state of land cover dynamics in the Chyulu Hills watershed ecosystem of Makueni and
    Kajiado Counties in Kenya by considering the following objectives:- a) assessing the state of land cover in 2015, b) analysing
    and characterizing land cover transformations in the watershed in 1987, 2001 and 2015, and, c) comparing the forest cover
    dynamics with those of other studies in Kenya. The forest cover change analysis was undertaken through remote sensing and

  8. Library Resource
    Reports & Research
    December, 2018

    Sustainable management of the natural resources requires critical understanding of the dynamics of land use and land cover change (LULCC). Nguruman sub-catchment in the northern part of Kajiado County has experienced rapid land use and land cover changed over the past decades. However, the extent to which these changes have impacted on the ecosystem and indigenous livelihoods has not been assessed. This remains a critical challenge that must be addressed due to its potential severe impacts on rural human livelihoods especially in arid and semi-arid areas in Kenya.

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