Preprint Article Version 1 This version is not peer-reviewed

Land Use Land Cover Changes and Their Impact on the Lake Ecosystem of the Central Rift Valley of Ethiopia

Version 1 : Received: 26 December 2018 / Approved: 27 December 2018 / Online: 27 December 2018 (10:49:16 CET)

How to cite: Elias, E.; Gessesew, W.S.; Tesfaye, B.; Girmay, W. Land Use Land Cover Changes and Their Impact on the Lake Ecosystem of the Central Rift Valley of Ethiopia. Preprints 2018, 2018120320 (doi: 10.20944/preprints201812.0320.v1). Elias, E.; Gessesew, W.S.; Tesfaye, B.; Girmay, W. Land Use Land Cover Changes and Their Impact on the Lake Ecosystem of the Central Rift Valley of Ethiopia. Preprints 2018, 2018120320 (doi: 10.20944/preprints201812.0320.v1).

Abstract

LULC changes are major environmental challenges in many parts of the world which are adversely affecting ecosystem services. This study was aimed to analyze LULC changes in the ecological landscape of Ethiopia CRV areas from 1985 to 2015. Satellite images were accessed and pre-processing and classification is done. Major LULC types were detected and change analysis was executed. Nine LULC changes were successfully evaluated. The classification result revealed that in 1985, 44.34% of the land was covered with small scale farming followed by mixed cultivated/acacia (21.89%), open woodland (11.96%), and water bodies (9.77%). Whereas for the same study year open grazing land, forest, degraded savannah and settlements accounted the smallest proportion. Though the area varied among land use classes, the trend of share occupied by the LULC types in the study area remained the same in 1995 and 2015. Increase in small and large scale farming, settlements and mixed cultivation/acacia while a decrease in water bodies, forest, and open woodlands is noted. About 86.11% of the land showed major changes in land use/cover. Lastly, DPSIR framework analysis was done and integrated land use and development planning and policy reform are suggested for sustainable land use planning and management.

Subject Areas

Central Rift Valley, Ethiopia, Landsat images, Lake, land use/land cover

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