Causes and Effects of Diminishing Water Volume in Lake Chelekleka, Bishoftu, Ethiopia and Strategy for Conservation

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Addis Ababauniversity


This study aimed to examine Causes and Effects of Diminishing Water Volume in Lake Chelekleka, Bishoftu, Ethiopia and Strategy for Conservation. To meet the objective of the research, appropriate attention were taken to investigate the land use/cover changes, field observation, interviews with officials and horticulture farmers. Hence, the results of the study Shown, extent of the land use/cover change and its effects seen on Chelekleka Lake and its Swampy areas were very dramatic. That is, majority of the forest land use/covers during the (1973-2010) in Chelekleka Lake Water Shades and its surroundings were converted to crop land, settlement, degraded bare lands, and grass lands. This land use types covers much of the southern, western, Central and eastern parts of the Chelekleka Lake Watersheds and its surroundings. Besides, notably after 1986 land use/cover change was very tremendous and exhibited decline of forest lands, shrub lands, and swampy vegetation. Hence, during 1973- 1986 deforestation and soil degradation in the Chelekleka Lake Watersheds and its surroundings was very sever, which was ultimately affected the depth of the lake. In the same period majority of the forest and shrub lands in upper water course changes to grass lands, crop lands and bare-degraded lands, i.e., markedly, degraded bare land coverage was increased because of acute increase of agricultural lands. Moreover, the land use investigation data conclude the presence of a shift in land use types, for instance, agricultural lands were converted to population settlements areas and crop lands in turn expand to shrub and uncultivable land uses. Similarly irrigated vegetations also occupied the swampy areas of Chelekleka Lake. These land use changes caused massive reduction of surface water coverage and changes its shapes from deep dark blue and compacted shapes to slant shallow and light blue color shapes. Generally study concludes, all the Chelekleka lake especially, The inner and border areas of the lake Chelekleka was dramatically changed into irrigated vegetation and grass lands and hence the dying of the lake was already starting from upper and expands to its central areas. In addition to the challenges of land use change factors like high interest of Horticulture expansion, poorly planned infrastructure developments, lack of awareness and poor attention from governments, and climate change/variability exacerbate the dying of the lake. On the basis of the study findings of the research the following recommendations forwarded undertaking appropriate resource conservation and management approaches, both the lake and its buffer zone should be demarcated and administered by concerned bodies, the silt and sedimentation filled the base of the lake should be removed, appropriately designed ditch and/or bridges to transfer the streams from upper course to the lake should be implemented. Key words: Lake Chelekleka Land use land cover change



Lake Chelekleka Land use land cover change