Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 6.
  1. Library Resource
    Rapports et recherches
    décembre, 2005

    Understanding of runoff sources and sinks coupled with development of rubost models
    that provide rapid and less expensive assessment of the impacts of land management on
    surface runoff is critical in the management of soil and water resources. In this study, a
    stratified sampling procedure was used to set up 51 runoff plots on representative land
    use types on the three slope zones in the landscape. On each slope zone a completely
    randomized design was utilized. Runoff measurements were done for 120 rainfall events

  2. Library Resource
    Articles et Livres
    mars, 2005

    For a long time, trypanosomosis, spread by the tsetse fly Glossina, constrained human settlement in the Lambwe Valley, a south-western Kenya rangeland. After lengthy efforts to control tsetse over many years, the valley is currently experiencing an increase in human population growth rate, and rapid changes in land-use and cover are taking place.

  3. Library Resource
    Articles et Livres
    décembre, 2005

    Water resources Within the River Njoro watershed have become degraded due to high population growth rate and change in land use upsetting environmental stability. Land cover classification using Landsat images (Baldyga et al., 2004) shows loss of about 20% of forested areas between 1986 and 2003 in the Watershed. The forested and large-scale farm areas have been converted mainly into srnall-scale mixed agriculture and human settlements. These changes have impacted negatively on the ecological integrity and hydrologic processes in the watershed (Shivoga.

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