IMPACTS OF LAND USE DYNAMICS ON AGRICULTURAL ACTIVITIES, ACASE STUDY OF MIIRIGA MIERU EAST SUB COUNTY, KENYA
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 5, Issue 10
Abstract
Miiriga Mieru East Sub County is situated in Meru County. This sub county is in the proximity of the MeruMunicipality and has been experiencing a high rate of land use / cover changes which has affected agriculturalproduction significantly. The agricultural land has been subdivided due to high population increase andurbanization. This has led to decrease of agricultural land and impacted on agricultural production andbiodiversity. The reduction of agricultural land has led to the rural livelihoods to experiencing food shortages.This paper has sought to explore land use changes, agricultural production trends as the main drivers behinddeteriorating agricultural land, relationship between population, land use changes and implications onagricultural production. The land use changes classification of Landsat TM image and change analysis done,population data was processed and analysed and correlated to food production. Miiriga Mieru Sub County hasexperienced significant land use changes over the period of study. The forest cover decreased from 48.18% in1988 to 23.04% in 2014. This trend shows decrease in the forest cover. The built up area increased from 0.51%in 1988 to 3.34% in 2014. The increase of built up area is attributed to the need for settlement as populationincreases. The area under agriculture increased from 51.31% in 1988 to 73.62% in 2014. Agricultural lands andurban areas have being increasing while as forest areas experience a decrease as population continues to steadily.The main driver to deteriorating croplands especially after 2000 was due to increasing built up areas that havecome as a result of increased land sub‐divisions and population pressures. The built up area increased from1.46% in 2000 to 3.34% in 2014. The cropland areas decreased in from 77.40% in 2000 to 73.62% in 2014.Impact of population growth on land use changes is depicted by the continued increase of human population asshown by the population census of 1989 to 2009, continued decrease in forest areas and increase in urban areas.
Authors and Affiliations
Dorcas Kanana Mungai
Keywords
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