An Assessment of Spatial Temporal Land Use/Cover Changes in River Ominla Catchment in OreTownship, Ondo State,Southwestern Nigeria By

Ayomide David. Oluwatuyi, Aderemi Adediji, Adeola Ajayi


The work used geospatial techniques (Geographic Information System, and Remote Sensing) to assess Land Use/Cover in River Ominla Catchment. Digital Elevation Model of the area from Shuttle Radar Thematic Mapper (SRTM) wasused to delineate the study area. The multi-date satellite imageries, Landsat TM 1986, Enhanced TM + of 2000 and 2015 were subjected to supervised classification to detect spatial temporal change. Results showed significant change since 1986 to 2015. Built-up increased by 3.70% in 1986-2000 and 6.32% in 2000-2015. Undisturbed forest decreased by 32.08% in 1986-2000 and 19.26% in 2000-2015. Shrub land increased by 3.30% in 1986-2000 and 9.25% in 2000-2015. Disturbed forest increased by 25.54% in 1986-2000 and decreased 2.05% in 2000-2015. Bare surface reduced by 1.13% in 1986-2000 and increased 2.91% in 2000-2015. Cultivation increased by 67% in 1986-2000 and 2.84% in 2000-2015.Built-up was negatively correlated with undisturbed vegetation with r = -0.957 and p = 0.095; positively correlation with shrub land with r = 0.993 and p = 0.037; positively correlated with disturbed vegetation with r = 0.735 and p = 0.237;positivelycorrelated with cultivation with r = 0.98 and p = 0.062 all at α = 0.05 respectively. Therefore, the study concluded that there was significant change in River Ominla catchment and that this requires urgent attention.


geospatial technique, built-up, imageries, spatial temporal, catchment,land use/cover

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