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Title: Rangeland suitability analysis for livestock production using GIS and Remote sensing: The case of Yabello Woreda, Southern Ethiopia.
Authors: Fikadu, Lemmessa
Advisors: K. V. Suryabahagavan(Dr.)
Keywords: GIS and Remote Sensing techniques
Yabello Woreda
Suitability analysis
Multicriteria evaluation
Copyright: Feb-2011
Date Added: 24-Jul-2012
Publisher: Addis Ababa University
Abstract: Livestock production is essential for household food security in pastoralist areas since they uses their products directly to exchange with other household commodities. Yabello Woreda is one of the pastoral Woredas found in southern part of Ethiopia. For many centuries, these rangelands were productive. However, high population growth which resulted in increasing demand for arable land, increasing land use conflicts, land degradation and bush encroachment in the study area led to reduced amount of land for natural grazing and forage production. Improper land use results in land degradation and decline in agricultural productivity. Hence, in order to get maximum benefit out of land, proper utilization of its resources is inevitable. Therefore, land suitability analysis is needed in order to make proper land use planning. Geographic Information System and Remote Sensing offer a convenient and powerful platform to integrate spatially complex and different land attributes for performing land suitability analysis and land allocations. This study is intended to analyze and map suitable areas for livestock in Yabello Woreda using Geographic information system and Remote Sensing techniques. For this study, seven suitability factors; Altitude, feed biomass, rainfall, land use/land cover, soil, temperature and slope were considered. To arrive at final suitability result for each livestock, weighted overlay technique of Multi-criteria evaluation in a Geographical information system platform was used. For the case of land allocation for livestock species, a vector (union) module was used. Livestock density was visualized using dot density map. The result of the suitability analysis showed that, 13%, 11%, 3%and 7% of study area was highly suitable for cattle, sheep, goat and camel respectively. In addition, 78%, 52%, 79% and 75% of the land was classified as moderately suitable for cattle, sheep, goat and camel respectively. While, 4%, 32%, 13% and 12% was marginally suitable for cattle, sheep, goat and camel respectively. There is no parcel of land classified as currently not suitable nor permanently not suitable. In the case of land allocation, 22 % and 77% were allocated as highly suitable and moderately suitable respectively for a single species or a combination of them. Thus, the study shows that the greater portions of Yabello Rangelands have moderate suitability for livestock production.
Description: A Thesis Submitted to the School of Graduate Studies of Addis Ababa University in Partial Fulfillment of the Requirements for the Degree of Masters of Science in GIS and Remote Sensing
URI: http://hdl.handle.net/123456789/3464
Appears in:Thesis - Earth Sciences

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