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Browsing Geography and Environmental Studies by Issue Date

Browsing Geography and Environmental Studies by Issue Date

Now showing items 1-20 of 156

assessment of family size preference and associated factors among married couples: acase study of ginjo- guduru kebele, jimma town Thesis

Kebeba Ambaye; Samuel Chemeda (2009-03)

A cross-sectional study was conducted from January to May, 2009, to assess the family size preference and associated factors in Ginjo-Guduru kebele, Jimma town. Data was collected using a questionnaire addressed to ...
Assessment Of Family Size Preference And Associated Factors Among Married Couples: Acase Study Of Ginjo- Guduru Kebele, Jimma Town Thesis

Kebeba Ambaye; Samuel Chemeda (2009-05)

A cross-sectional study was conducted from January to May, 2009, to assess the family size preference and associated factors in Ginjo-Guduru kebele, Jimma town. Data was collected using a questionnaire addressed to ...
The Role Of Small Scale Irrigation On Poverty Reduction In Jeldu Worede: In Case Of Shukute Kebele Thesis

Berhanu Tamene; Ashenif Melese (2009-06)

The study was conducted on the role of small scale irrigation on poverty reduction in Jeldu woreda the case of shukute kebele. Irrigation is one means by which the agricultural production can be increased to meet the ...
Laboratory and field evaluation of mosquitocidal effect of birbira (Mellitia ferruginea) seed extract against Anopheles arabiensis in Ethiopia Thesis

Abiy Andemo; Argaw Ambelu; Delenesaw Yewhalaw (2013-05)

Development of effective botanical mosquitocidal compounds is essential to combat increasing resistance rates and concern for the environment. Thus, the present study aims to evaluate the larvicidal, pupicidal and ...
Ecological status of hot springs in Eastern Amhara Region: Macroinvertebrates and birds diversity Thesis

Sisay Derso; Argaw Ambelu; Abebe Beyene; Melaku Getachew (2013-06)

Springs are the places where ground water is discharged at specific locations. They vary dramatically as to the type of water they discharge. Hot springs are having the temperature of the water lies significantly above ...
Removal of Turbidity and Microbial Load for Household Water Treatment Thesis

Benti Firdissa; Abebe Beyene; Argaw Ambelu; Moa Megersa (2013-06)

Background: The use of inorganic chemicals for the removal of turbidity and bacteria was recognized as one of the public health and environment concern due to disinfection byproduct formation and sludge production. In ...
Simultaneous Removal of Nitrate and Phosphate Ions from Aqueous Solution Using Solid Waste from Alum and Sulphuric Acid Manufacturing Process Thesis

Yifru Waktole; Seid Tiku; Fekadu Fufa (2013-06)

Nitrogen and Phosphorous are limiting nutrients for plant growth. Contrary to this, phosphorous between 20 to 100 µg/L and nitrogen between 500 to 1000 µg/L can cause eutrophication in most aquatic systems. Therefore, ...
Evaluating Impacts of Eucalyptus Plantation on Macroinvertebirate Assemblage in the Aquatic Environment, South Western Ethiopia Thesis

Yared Worku; Argaw Ambelu; Tibebu Alemu; Temesgen Alemneh (2015-10)

Streams are important pathways for flowing of energy, matter, and organisms through the landscape. Stream water quality monitoring program relay on the chemical, physical, biological content of water and concentration ...
Evaluation of groundwater quality and its suitability for drinking and irrigation use in east wollega zone of oromia regional state, nekemte, Ethiopia. Thesis

Bilisa Bulti; Dejene Beyene; Melaku Tegegne (2015-11)

The study was conducted to evaluate the groundwater quality in order to analyze the suitability of the water for drinking and Irrigation uses in the Nekemte Town of Oromia Regional State, Ethiopia. The study area lies ...
Predicting Sediment Yield of Didessa River Basin and Sedimentation of Arjo Didessa Reservoi Thesis

Fayera Gudu; Tamene Adugna; Sifan Abera (2015-11)

Predicting sediment yield is essential for design of dams, pollutant control and development of integrated watershed management practices. Poor land use practices and improper management systems have played a significant ...
Modeling the impact of highland settlements on ecological disturbance of streams in Choke Mountain Catchment: Macroinvertebrate assemblages and water quality Article

Temesgen Alemneh; Argaw Ambelu; Simon Bahrndorff, etal (2016)

Human disturbances of waterways in Ethiopian highlands have increased throughout the last century due to population growth and increased land use. Despite this, there is a lack of knowledge on ...
Assessment of phosphorus transport pathways and loading in gilgel gibe-i catchment using swat model Thesis

Belachew Hirpa; Fekadu Fufa; Yalemsew Adella (2016-03)

Eutrophication is a trouble that alter the ecological integrity of any water resources at global, regional and local scale including Ethiopia resulted by P that exported and loaded from agricultural-based catchment. ...
Experimental Evaluation of Sorptive Removal of Boron Using Laterite Soi Thesis

Dereje Kitaba; Fekadu Fufa; Dida Abera (2016-03)

Ground water is essential resource that requires protection can continue to sustain the human life and the various ecosystems that depend on it. Many pollutants that occur naturally in soil, sediments and rocks for example ...
Evaluation of the Suitability of Lateritic Soil of Jimma Zone as Road Construction Materials Thesis

Lisanework Teferi; Fikadu Fufa; Murad Mehamed (2016-04)

Lateritic soils are highly weathered and altered residual soils reach in secondary oxides of iron, aluminum, or both formed by the in-situ weathering and decomposition of parent rocks under tropical and sub tropical ...
Assessment of effect of varying firing time and temperature on some physical properties of burnt clay bricks produced around jimma town Thesis

Eshetu Tsega; Fikadu Fufa; Alemu Mosisa (2016-06)

Brick is one of the most widely used conventional construction materials throughout the World. The production cost of clay brick is significantly affected by the cost of energy required for firing; Different mechanisms ...
Evaluation of suitability of coarse aggregates for concrete in mekelle area, Ethiopia Thesis

Marta Yirga; Kifle Woldearegay; Tadesse Abebe (2016-06)

Aggregates constitute the bulk of the total volume of concrete and hence influence the strength of concrete to great extent. It is essential that aggregates used in construction purposes are strong and durable. Construction ...
Case study on the performance assessment of addis ababa city road network Thesis

Mohammed Aydahis; Sisay Dest (2016-06)

The study is carried out for Addis Ababa city, which is the capital city of Ethiopia, with population over 3.0 million. It is situated on mountainous landscape at an allitted of about 2,500 meters above mean sea level ...
Project time scheduling and its impact on implementation: the case of era projects around east hararghe Thesis

Hibret Kebede; Girmay Kahssay; Bien Maunahan (2016-06)

From a scheduling point of view, the goal of every project is to be delivered on time and within budget, with desired functionality and acceptable quality level. In an ideal world, projects follow early starts and early ...
Practices and challenges of micro and small scale enterprises in gambella town, gambella peoples regional state Thesis

Simon Bor; Kenate Worku (2016-10)

The major objective of this study was to investigate Practices and challenges of micro and small scale enterprises in Gambella Town, Gambella People’s Regional State. The small business sector is also seen as an important ...
Adsorptive Removal of Chromium from Tannery Wastewater Using Biochar Derived From Organic Fraction of Municipal Solid Waste Thesis

Meseret Endalew; Asgdom Malu; Embialle Mengistie (2016-10)

This work aimed to investigate the potential use of pyrolysed organic fraction of municipal solid waste as an adsorbent agent for removal of Cr (VI) from aqueous and tannery wastewater. We adopted a pyrolytic process to ...

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