Browsing Environmental Science by Issue Date

Now showing items 1-20 of 383

Developing aLaboratory Scale Sequencing Batch Reactor and Evaluating Its Performance for the Treatment of Tannery Wastewater

Mekonnen, Andualem (Addis Ababa University, 2000-03)

Tannery wastewaters contain high levels of organic matter, nitrogenous compounds, sulfides and other pollutants. These pollutants can cause undesirable effect on the ecosystem and public health. In Ethiopia most of leather ...
Characterization of Wastewater and Evaluation of the Effectiveness of the Wastewater Treatement Systems in Luna and Kera Slaughterhouses in Central Ethiopia

Mulu, Abrha (Addis Ababa University, 2003-07)

The objectives of this study were characterization of slaughterhouses wastewater and evaluation of the performance of their treatment system, and their effluent impact on the receiving rivers water quality. Samples from ...
Fluoride Removal from Water By Locally Produced Aluminum Hydroxide

Shimelis, Beneberu (Addis Ababa University, 2005-06)

People in several regions of the Rift Valley of Ethiopia are consuming water with fluoride up to 33 mg/L, which has resulted in both skeletal and non-skeletal fluorosis. Due to the unavailability of effective therapeutic ...
Land Degradation Assessment and Evaluation of Current Landuses and Soil Conservation Structures at Upper Chena Catchment, South Gondar, Ethiopia

Ayele, Belayneh (Addis Ababa University, 2005-06)

A field study was conducted in Upper Chena catchment, South Gondar, Ethiopia to identify and describe major causes and extent of land degradation, to evaluate current landuse practices, and to check the quality of existing ...
Impact Assesment on an Invasive Species, Lantana camara on Indigenous Species Composition and Socio-economic Environment around Adama and Bishofitu Areas, Ethiopia

Kifetew, Melkamu (Addis Ababa University, 2005-06)

Impact assessment of Lantana camara L. on indigenous species composition and socioeconomic environment was carried around Aroge Adama, Soloqe and Bishfitu areas, Ethiopia. Fifty-four 5m x 5m releve’s were systematically ...
Removal of Dyes from Textile Effluents by Coagulation Using Locally Produced Alum

Yeheyes, Kifle (Addis Ababa University, 2005-06)

Huge consumption of water and low biodegradability of textile dye wastes calls for a combination of biological and physico – chemical processes along with a complementary treatment option to remove more of the dyes. ...
Factors Controlling Households Energy Use: Implication for the Conservation of the Environment

Gashie, Workeneh (Addis Ababa University, 2005-06)

Traditional household fuels play a vital role in Ethiopia. They account for more than 93% of the households’ energy need of the country which is mainly based on wood, dung and crop residues. The most widely used stove ...
Domestic Solid Waste Quantity and Composition Analysis in Arada Sub-City, Addis Ababa

Beyene, Yitayal (Addis Ababa University, 2005-06)

Absence or presence of limited data about the quantity and composition of solid waste is one of the reasons for poor solid waste management in Addis Ababa. Domestic solid waste quantity and composition analysis is one ...
Impact of Land Use on Surface Water Quality : A Case of Wondo Genet Area

Seid, Hussien (Addis Ababa University, 2005-06)

The watershed in Wondo Genet area are the focal point for a variety of different land uses including forest activities, urban development, irrigation agriculture, livestock grazing, recreational activities and wetland ...
Impact of the Open Dump Landfill- Koshe - on Soil and Water, Alternative Site for Landfill and Strategies for Waste Recovery in Addis Ababa.

Assefaw, Sewit (Addis Ababa University, 2005-06)

Addis Ababa, the capital and the largest dominant political and economic city of Ethiopia, grows in haphazard nature resulting problems in managing solid waste that is generated from households, commercial and industrial ...
Factors Controlling Households Energy Use: Implication for the Conservation of the Environment By:

Gashie, Workneh (Addis Ababa University, 2005-06)

Tradi tional househo ld fuels playa vital ro le in Ethiopia. They account for more than 93% of the households' energy need of the country which is mainly based on wood, du ng and crop residues. The most widely used stove ...
Analysis of Domestic Waste Generation Rate and Composition in Addis Ababa: Arada Sub-City

Beyene, Yitayal (Addis Ababa University, 2005-06)

Absence or presence of limited data about the quantity and composition of solid waste is one of the reasons for poor solid waste management in Addis Ababa. Domestic soh a waste quantIty ana composition analysis is one ...
Assessment of Water Quality Changes in Awash River

Amare, Bedilu (Addis Ababa University, 2005-06)

Importance of Awash River is strongly linked to irrigation, industrial pollution and public health. By far the greatest portion of Awash River was used for irrigation purpose. In addition to this, Awash River serves the ...
Land Degradation Assessment and Evaluation of Current Landuses and Soil Conservation Structures at Upper Chena Catchment, South Gondar, Ethiopia

Ayele, Belayneh (Addis Ababa University, 2005-06)

A fie ld study was conducted in Upper Chena catchment, South Gondar, Ethiopia to identify and describe major causes and extent of land degradation, to evaluate current landuse practices, and to check the quality of ...
Health, Environment and Socioeconomic Impact Assessment of Community-Based Irrigation at Ziway and Holota

Ebissa, Gizaw (Addis Ababa University, 2005-06)

Laboratory analyses of water, soil and socioeconomic data at household as well as at community level and secondary data from health centers were used to generate important information that help to evaluate impacts of ...
Characterization of Domestic Wastewater Disposal as Point Source Pollution in Southern Gulf of Lake Tana, North Western Ethiopia

Adane, Yimenu (Addis Ababa University, 2005-07)

A field study was conducted in Southern gulf of lake Tana, Northwest Ethiopia to determine the composition and the concentrations of contaminants in wastewater from point sources entering to the lake and to investigate ...
Cactus in Southern Tigray: Current Status Potential Use Utilization and Threat

Lemma, Habtu (Addis Ababa University, 2005-07-15)

The cactus pear (Opuntia ficus indica) is expanding throughout Southern Tigray, Northern Ethiopia. Its current status, use, potentials and threats were investigated at Tabia Kara Adishabo of Raya Azebo Wereda, using ...
Heavy Metal Concentration Bioaccumulatio Environmental Pollution Soil Waste WaterVegetables

Awole Mohammed (Addis Ababa University, 2006-02)

Environmental pollution with heavy metals is one of a great concern in both developed and developing countries. In Ethiopia, the heavy metals pollution has become a great challenge specially in industrial areas. Kombolcha ...
Assessment of Drinking Water Quality and Pollution Profiles along Awetu stream (Jimma

Deneke, Israel (Addis Ababa University, 2006-03)

Water shortages, weak public utilities, and poor management of available water resources force the public to rely on poor quality water sources and supply practices that are often polluted, having significant health ...
Houseold Fuel Use and Acute Respiratoy infctions Among Younger Children an Exposure Assessment Shebedino Woreda, Southern Ethiopia

Desalegn Biruck (Addis Ababa University, 2006-06)

Indoor air pollution caused by the indoor burning of biomass fuels has been associated with increase risk of acute respiratory infections among children less than five years old in developing countries. This research was ...

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