Contamination of Rivers and Water Reservoirs in and Around Addis Ababa City and Actions to Combat It

Yohannes, Hamere; Elias, Eyasu

doi:10.4172/2753-458x.1000116

Cited by 48 publications

(54 citation statements)

References 14 publications

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“…For example, the Addis Ababa City Beautification, Park and Cemetery Development Agency plans to establish multiple new parks across the city, though realising them in practice can still be a challenge (Assefa, 2013;Jemaneh, 2017). Initiatives in Addis Ababa include examples which have biodiversity and ecosystem services goals, including medicinal plant schemes and schemes involving the rehabilitation of the upper river catchments in the northern fringes of the city using biological and physical measures (Cavan et al, 2012;Yohannes and Elias 2017). Over the past ten years the schemes have helped to bring back the native flora (e.g.…”

Section: Introductionmentioning

confidence: 99%

Rethinking urban green infrastructure and ecosystem services from the perspective of sub-Saharan African cities

Lindley

Pauleit

Yeshitela

et al. 2018

Landscape and Urban Planning

111

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providing relevant details, so we can investigate your claim. context-specific conceptual, theoretical and empirical foundations is a problem which must be addressed. Drawing on papers from a Special Issue centred on urban green infrastructure and urban ecosystem services in sub-Saharan Africa, we consider what concepts and frameworks are in use and what needs to be considered when framing future research. We also synthesise key messages from the Special Issue and draw together themes to help create a new research agenda for the international research community.

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Section: Introductionmentioning

confidence: 99%

Rethinking urban green infrastructure and ecosystem services from the perspective of sub-Saharan African cities

Lindley

Pauleit

Yeshitela

et al. 2018

Landscape and Urban Planning

111

View full text Add to dashboard Cite

show abstract

“…Both natural and anthropogenic activities may be the causes of nonpoint sources of pollution, and may occur in everywhere across the land and ground, and deposited and found spread out throughout large areas, including wetlands, coastal waters, lakes, rivers as well as ground water [6]. Nonpoint sources of pollution s introduce harmful bacteria, nutrients, sediments, chemicals, organic wastes, and metals into surface waters.…”

Section: Main Sources Of Pollution Of Rivers In and Around Addis Ababmentioning

confidence: 99%

“…high waste water pollution in the cities compared to the rural areas of Ethiopia [22]. For example, from Addis Ababa city, 4 million m 3 wastewater is emanated from industries discharge, and 49 million m 3 from toilets, kitchens, barns and other domestic area [6] ditches and water bodies, and the remaining 65% of production of solid wastes per day is collected and disposed in to Repi dump site and became a serious threat to the environment [6]. The main sources of solid waste, which is generated from in and around Addis Ababa city includes: households (76%), institutions, commercial, factories, and hotels (18%), and street sweeps (6%) [20].…”

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Can We Imagine Pollution Free Rivers around Addis Ababa city, Ethiopia? What were the Wrong-Doings? What Action Should be Taken to Correct Them?

Worku¹,

Giweta²

2018

J Pollut Eff Cont

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Water is one of the most important compound that comprises our largest planet' (earth), and is the fluids of most organisms that are living on earth [1]. It constantly circulates in between atmosphere and earth surfaces, which includes the land, rivers, lakes, ponds and oceans that make up our planet. 70.9% of the earth surfaces are covered by water, and of which about 97% is found in salt water oceans, 2.4% are ice caps, 0.6% are land surface water such as rivers, lakes and ponds, 1.6% water is retained in the ground water, and the remaining 0.001% is found as vapor, clouds and precipitation [1,2]. Africa appears to have abundance water resources including more than 17 big rivers, which covered over 1,700,000 km 2 , more than 160 lakes, which covered larger than 27 km 2 catchments, vast wetlands, and limited but widespread. The annual average precipitation of Africa is plentiful, as compared to that of Europe and North America [3]. Water in Africa is mainly uses for agriculture and domestic purpose. However, utilization of water for industry purpose is very low, which is estimated to be only 3.8% of total annual renewable water resources [4]. Our country Ethiopia, has totally 12 river basins with annual runoff volume of 122 billion m 3 of water, and the estimated runoff is equivalent to 2.6-6.5 billion m 3 of ground water potential. Addis Ababa, the capital city of Ethiopia, has a number of rivers, which are the tributary of main/big/tiliku and little/small/tinishu Akaki River [5]. For example, Kebena, Banche Yeketu, Kortame, Bulbula, Lequ Soramba and kotebe and Fincha, rivers are the main tributaries of the Akaki Rivers [6]. Both of the big and small Akaki rivers are the main branches of Akaki river, which are flowing into the southern direction of Aba-Samuel Lakes [7]. The Great Akaki river rises from northeastern part (Entoto Kidane Miheret Mountain area) of Addis Ababa city and flows into the eastern part of city [6], and finally runs into Aba-Samuel dam after 53 km.

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“…Source: Amhara National Regional states Water Resource Development Bureau [11]. Concomitant with the above principles, researchers like Yohannes, Maschal and Truye and Ademe and Alemayehu conducted a study on water pollution in general and river pollution in particular [7][8][9]. Their works are on rivers and water contamination, river water pollution and determinants of water pollution in Addis Ababa, Ethiopia.…”

Section: Introductionmentioning

confidence: 99%

River Pollution in Ethiopia: An Exploratory Assessment of the Causes and Effects on Environmental Sustainability

Hadis¹,

Tesfaye²,

Dessie³

2019

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Ethiopia has been reflecting the environmental sustainability interests. However, questions have been raised regarding its effectiveness. Thus, this paper addresses one of the environmental sustainability issues specifically Borkena river pollution. Furthermore, it addresses the causes and effects of Borkena river pollution on environmental sustainability. By employing an exploratory approach, formative analysis and conclusions are made. As a result, Borkena River is found highly depleted due to wastes from households, institutions and industries. Mountainous farming, lack of environmental protection measures, alien weed, informal settlement, poor waste management system and inappropriate utilization of river resources are the major causes of Borkena River pollution. As a result, the river pollution affects the environmental sustainability in the area of natural resources, biodiversity and human ecology at large. Thus, the research outlines the following directions to be implemented for protecting Borkena River from pollution and maintaining environmental sustainability. Among these, (1) revisiting the rivers depletion and the extent of environmental pollution on a broader scale, (2) policy revision should be considered in responding river pollution and environmental sustainability measures, (3) expanding best environmental protection practices in Borkena river side, and (4) reconsidering river rehabilitation through realizing its economic benefits for the local community.

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Contamination of Rivers and Water Reservoirs in and Around Addis Ababa City and Actions to Combat It

Cited by 48 publications

References 14 publications

Rethinking urban green infrastructure and ecosystem services from the perspective of sub-Saharan African cities

Rethinking urban green infrastructure and ecosystem services from the perspective of sub-Saharan African cities

Can We Imagine Pollution Free Rivers around Addis Ababa city, Ethiopia? What were the Wrong-Doings? What Action Should be Taken to Correct Them?

River Pollution in Ethiopia: An Exploratory Assessment of the Causes and Effects on Environmental Sustainability

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