African Journal of
Environmental Science and Technology

  • Abbreviation: Afr. J. Environ. Sci. Technol.
  • Language: English
  • ISSN: 1996-0786
  • DOI: 10.5897/AJEST
  • Start Year: 2007

AJEST Articles in press

Article in Press

Phytoplankton Species Diversity and Biomass and its impact on the Sustainable Management of Lake Bosomtwe in the Ashanti Region of Ghana

Lake Bosomtwe is a closed, stratified, natural freshwater body located in the Ashanti Region of Ghana. Recent complaints from residents along the Lake shore of foul smells emanating from the Lake and occasional fish deaths led to a study of the phytoplankton regime of the Lake. The Lake was divided into four segments: North, South, East and West. Sampling was conducted during the rainy and dry seasons. Samples were...

Author(s):ADDICO, Gloria ; AMU-MENSAH, Frederick K. ; AKRONG Mark O. ; AMU-MENSAH, Marian A. ; DARKO, Humphrey ,

Article in Press

Microbial succession in a laboratory-scale bioremediation of oily sludge

This study sought to identify microbial succession during a laboratory scale-bioremediation of oily sludge. During the 12 week bioremediation study, samples were obtained, diluted and treated to a cocktail of spread-plating on nutrient, potatoes dextrose and Bushnell Haas agar were employed for heterotrophic, fungal and hydrocarbon utilizing bacterial and fungal count. Tentatively, biochemical, morphologic and microscopic...

Author(s):Ibiene, A.A., Akada, N.A, and Effiong, E.C

Article in Press

The impacts of climate change and variability on crop farming systems in Semi-Arid Central Tanzania: The case of Manyoni District in Singida Region

This paper focuses on the impacts of climate change and variability on crop farming. The main objective of this paper is to assess the impacts of climate change and variability on crop farming systems in Manyoni district, Tanzania. This paper used mixed research design with both quantitative and qualitative research approaches. The research used different methods in collecting information concerning the impacts of climate...

Author(s):Jackson Sawe and Claude G. Mung’ong’o

Article in Press

Comparative assessment of heavy metals in drinking water sources from Enyigba Community in Abakaliki L. G. A., Ebonyi State, Nigeria

This study assessed the levels of heavy metals in drinking water sources in Enyigba community in Abakaliki Local Government Area, Nigeria. Four sites were visited for sampling; two (2) surface water (streams) and two (2) underground water (boreholes). Three (3) water samples were collected from each source making it a total of twelve (12) water samples. The levels of Arsenic (As), Cadmium (Cd), Copper (Cu), Zinc (Zn) and...

Author(s):Chinyere Aloke, Ifeanyi Ephraim Uzuegbu, Patience Nkemjika Ogbu, Emmanuel Ike Ugwuja, Onyebuchi Frederick Orinya & Ikechukwu Ogudu Obasi.

Article in Press

A HEALTH RISK ASSESSMENT OF POTABLE WATER SUPPLY FRAMEWORK OF UNIVERSITY OF PORT HARCOURT

The study determined the physicochemical and microbiological properties of the water supply sources at the University of Port Harcourt; as well as employed a triangulated descriptive cross-sectional retrospective survey, to identify the factors that guide consumers’ selection and consumption of drinking-water, and equally assessed their perception of drinking-water quality and its impact on public health. The pH of all the...

Author(s):TOCHUKWU JOSIAH NNAEMEKA OKONKWO

Article in Press

Physicochemical and Heavy Metal Analysis of Drinking Water in Ogwa and Ebelle Area of Edo State

Water samples obtained from selected underground reservoirs and boreholes in Ogwa and Ebelle communities of Edo state, Nigeria were analyzed for heavy metal concentration using flame photometer for the analysis of Na and K, and atomic absorption spectrophotometer for the analysis of Zn, Cr, Pb, Cu, Ca, Mn, and Fe. Physicochemical parameters were determined using standard analytical procedures. Physical parameters like pH,...

Author(s):Isola O.B., Onigbinde M.O.

Article in Press

MANAGING ANTHROPOGENIC WASTES IN THE COASTAL WATERS IN NIGERIA, AS A MEANS OF GENERATING EMPLOYMENT

Human health and environmental quality are undergoing continuous degradation by the increasing amount of wastes being produced. Although some environmental pollution is as a result of natural causes, most are caused by human activities (anthropogenic). Waste generation is closely linked to population, urbanization and affluence. The Coastal zones constitute some of the world’s most productive areas. The offshore sectors...

Author(s):Aladetohun Nike. Funmilayo

Article in Press

IMPACT OF ARTISANAL MINERAL MINING ON SOME HEAVY METALS CONCENTRATION AND CHEMICAL PROPERTIES OF SOILS OF ENYIGBA MINING AREA IN ABAKALIKI, SOUTHEASTERN NIGERIA

The study was conducted at Enyigba mining area in Abakaliki, Southeastern Nigeria, to evaluate the effect of artisanal mineral mining activities on heavy metals (lead, zinc and cadmium) concentrations and Chemical Properties of soils of Enyigba mining area. Auger Soil Samples (0-20cm) were collected at the four compass directions from zero to 100m and 2500m away from the mine site at 10m intervals. At each sampling...

Author(s):NWOGHA, J. S., OSODOKE, V. E., CHUKWU, L. I., and ANO A. O.

Article in Press

Effects of the Bujagali Hydropower project on major physico-chemical characteristics of Upper Victoria Nile water, Uganda

The Bujagali hydropower project is a 250 megawatt facility that was set up to alleviate power shortages in Uganda. The project was perceived to have negative effects on major physico chemical characteristics of the upper Victoria Nile water. Key water physico chemical parameters monitored biannually in April and September from 2006 to 2015 at the upstream and downstream transects and in the reservoir were dissolved oxygen,...

Author(s):Wanda Fred Masifwa, Amondito Brenda, Moureen Matuha, Henry Ocaya and Godfrey Magezi

Article in Press

Importance of Stakeholder’s Collaboration on Environmental Health in Niger Delta using CSR as a framework

During the past five decades the Nigerian Government generated vast resource from oil revenues from various oil related operations. However, the Niger Delta region of Nigeria has experienced various form of unrest due to the devastation caused by oil drilling in the region ranging through oil spillage, water contamination air pollution and various ecological dilapidations. This study examines and tests sstakeholders...

Author(s):Oduguwa Ade Gorryola

Article in Press

DETERMINING DOSE-RATES OF DRILL CUTTING MUD WASTES IN AFIESERE FIELD, NIGER DELTA, NIGERIA USING HIGH PURITY GERMANIUM DETECTOR

During drilling operation, operators face challenges related to processing large volumes of produced drill cutting wastes which contain hazardous materials and can be detrimental to the environment when not treated properly prior to disposal. Radio-nuclides, a constituent of drill cutting wastes which could cause adverse effects on the environment at concentration above the acceptable limit have not been thoroughly...

Author(s):Falode, O.A and Ladapo, A.E.

Article in Press

ASSESSMENT OF GROUND WATER QUALITY: A CASE OF HAWELLA TULLA, HAWASSA

The quality of ground water depends on various chemical constituents and their concentrations, with the booming of the Hawassa city; the existing situation of the water quality status and the corresponding anthropogenic impacts on the ground water aquifer is questionable. So, the aim of this study was to assess the present status of the groundwater quality on the basis of seasonal variation in Hawella Tulla sub-city,...

Author(s):Getachew Meka, Lalisa Gemechu

Article in Press

Establishing criteria to select reference sites for ecological and water quality assessment in Ethiopian highland streams

The concept of a reference condition is increasingly used to describe benchmarks against which current condition is compared. This study defines criteria that represent reference sites for assessing highland streams in four major river basins of Ethiopia. Twenty a priori criteria were chosen as representative for Ethiopian highlands and they reflect some aspects of naturalness and address wide range of human disturbances....

Author(s):Aschalew Lakewa and Otto Moog

Article in Press

Distribution and characterization of heavy metals emitted from Adihaki campus to the course of the receiving water bodies (River May-Gebel to Hamiday)

The present study was carried out to assess the effect of untreated wastewater on the distribution and level of heavy metals (Cu, Fe, Pb and Zn) in the course of the receiving water bodies. Conventional methods were employed to determine the analysis for the physicochemical parameters, while concentration of heavy metals in the wastewater samples were analyzed using Atomic Absorption Spectrometer. The concentrations for...

Author(s):Berhanu Menasbo Tegegne and Mulu Berhe Desta

Article in Press

Equilibrium, kinetic and thermodynamics studies of biosorption of zinc ions from industrial wastewater using derived composite biosorbents from walnut shell

The biosorption process of Zn (II) ions in industrial wastewater was investigated using derived composite biosorbents from walnut and snail shells. Composite adsorbents were produced by activating walnut shell carbon (WSC) with phosphoric acid to obtain acid-treated walnut shell carbon (AWSC) and WSC and AWSC were independently impregnated on chitosan to produce walnut shell carbon impregnated on chitosan (WSCC) and...

Author(s):Olafadehan, O. A., Akpo, O. Y., Enemuo, O., Amoo, K. O., Abatan, O. G.

Article in Press

Comparative Assessment of the Sanitary Conditions of Some Food Service Joints: A Case Study in The Tamale Metropolis

Food vending in the country is very vital as it provides nutritional needs of its population and at the same time serves as a source of revenue for the operators of these service joints and Tamale is not left out as so many women are into the business of food vending which is their source of livelihood; nevertheless, food vending poses much risk to consumers of these foods due to bad sanitary practices. This study seeks to...

Author(s):Apania Awinema Cindy , Wilhemina Asare and Denteh Silas Nkpaijenfene

Article in Press

ESTIMATING THE WILLINGNESS TO PAY FOR IMPROVED MUNICIPAL SOLIDWASTE MANAGEMENT IN NAIROBI, KENYA

The rapid accumulation of municipal solid waste in many developing countries has been linked to urbanization, population growth and low budgetary allocation for urban solid waste management. This study aims at determining the households’ willingness to pay for improved solid waste management to reduce air pollution in Nairobi, Kenya. In order to undertake the study, the sample of 114 households around the Dandora dumpsite...

Author(s):Department of Environmental Sciences, Kenyatta University, Kenya

Article in Press

The Study of Economical Reuse of Treated Sewage from Sequencing Batch Reactors based on Cyclic Activated Sludge Technology

Treated Sewage may be considered as new water resource in the developing, developed and water scarcity countries. The objective of paper is not only to find out potential of reuse but also it should be economical reuse. This study was initially focused on the current applications and reuse standards which are suggested by Centre for Public Health and Environmental Engineering Organization (CPHEEO) and Central Pollution...

Author(s):Civil Engineering Department, (SPCE), Mumbai - , India

Article in Press

Evaluation of Metallic Trace Elements (MTE) in the sediments of Ouémé delta in Benin

The Metallic Trace Elements (MTE) pollution of aquatic ecosystems and their intrusion and inclusion into the food chain exposes public health to enormous risks. This study assesses the risks associated with the pollution of surface sediments from Ouémé delta with Pb. Cu and Cd. In these sediments stratifications, the physicochemical characteristics of the sediments were evaluated. Total metal contents are determined by the...

Author(s):Department of Earth Sciences. University of Abomey-Calavi. P.O. Box . Cotonou. Bénin

Article in Press

Study of physico-chemical characteristics of ground water of west zone, Central India

The present study is aimed at assessing the ground water quality of West Zone Central India and its residential area.The physicochemical parameter of water samples collected from various places in and around West Zone Central India. The physicochemical parameters like, temperature, pH, total hardness, total dissolved solid, dissolved oxygen, biochemical oxygen demand, chemical oxygen demand, nitrate, sulphate, phosphate,...

Author(s):Faculty of Science & Environment, MGCGV Chitrakoot, Satna MP

Article in Press

Climate Change Mitigation Efforts in Ghana

There is a strong correlation between energy, environment and sustainable development. Ideally, a society seeking sustainable development must utilize only energy resources which have little or no environmental impact. Technological changes such as energy savings on the demand side, efficiency improvements in energy production and consumption, and replacement of fossil fuels by renewable energy are the typical strategies...

Author(s):Department of Natural and Built Environment Sheffield Hallam University, UK

Article in Press

Evaluation of sustainable use of underground water in peri-urban centers’ of Eldoret Municipality in Kenya

The Kenyan national water quality standard recommends that water should be safe for human consumption. If not protected, ground water can easily be contaminated with many pollutants including biological pathogenic microorganisms. Waterborne diseases can be effectively controlled through proper sanitary procedures that result in use of good quality water through proper sanitary procedures. The main purpose of the study was...

Author(s):Department of Biological Sciences; Moi University

Article in Press

Resistance to Chromium, Copper and Zinc among Fungi Isolated from Sites Contaminated With Textile Effluent in Kano State, Nigeria

Research work was carried out to assess the capacity of strains of fungi isolated from raw textile and partially treated effluent, discharge point, up and down Stream of Challawa River to resist and grow in the presence of Chromium (Cr), Copper (Cu) and Zinc (Zn) invitro. Fungi belonging to the genera Aspergillus, Penicillium, Chrysosporium, Microsporum , Trichoderma and Rhizopus species were isolated from the study sites...

Author(s):Microbiology Department, Ahmadu Bello University, Zaria, Kaduna State, Nigeria.

Article in Press

Distribution and Seasonal Variations of Polycyclic Aromatic Hydrocarbons in Sediment of Ala river in Akure Metropolis, Nigeria

This study was carried out to investigate seasonal variations of polycyclic aromatic hydrocarbon (PAHs) in sediments of Ala River, South-west, Nigeria. The total amount of PAHs (∑PAHs) concentration ranged from 4.6 μgg-1to 10.1 μgg-1 dry weights during wet season and from 3.8- 10.3μg.g-1dry weights during the dry season. The total concentrations of PAHs were higher in most of the sites during wet season 80 % and 20 %...

Author(s):Department of Chemistry, Federal University of Technology, P.M.B., Akure, Nigeria.

Article in Press

ANALYSIS OF SPATIAL VARIABILITY IN RAINFALL TRENDS IN BARINGO COUNTY, KENYA

This study assessed actual rainfall trends and variability in Baringo County. The objective of the study was to determine whether there were variations in rainfall trends by agro ecological zones. Meteorological rainfall data for the period 1981 to 2010 from three distinct agro-ecological zones covering highland (LH 2), low land (IL 6) and midland (LM 5) was used. The choice of rainfall stations was informed by...

Author(s):Ednah Chemutai Koskei , Jackson John Kitetu and Charles Wambongo Recha

Article in Press

Periodic Report on the Vea Dam’s Water Quality for Artisanal Fishery, Irrigation Agriculture and Domestic Purposes in Bongo District of Upper East Region in Ghana

The physico-chemical quality of 180 water samples from the Vea Dam in Bongo District of the Upper East Region were analyzed using standard field and laboratory techniques at the Water Research Institute, Tamale in Northern Region of Ghana. The mean ranges of the respective parameters were much closer within the same rows. Its maximum values were : total dissolved solids (85.23 ± 13.162mg/l), conductivity (141.667 ±...

Author(s):Tiimub Benjamin Makimilua, Anarigede Francis Atampika& Tiimob Richard Wonsibe

Article in Press

Seasonal Variation of Heavy Metal Speciation in soil and stream sediments from hospital waste dumpsite in Ilesa, Southwestern Nigeria

A speciation study of some heavy metals in soil and stream sediments around a hospital waste dumpsite was investigated. Selective sequential extraction procedure was used to fractionate the metals into 4 operationally defined groups: Exchangeable and metal bound to carbonate, oxyhydroxide of Fe and Mn, organic matter and the residual fraction. The result of speciation analysis of Fe, Mn, Zn, Cu, Cd and Pb in the soil...

Author(s):Oluyemi E.A, Olabanji I.O, Fakoya O.T, EludoyinA.O and Makinde, W.O

Article in Press

GROUNDWATER QUALITY AND SANITARY RISKS ASSESSMENT OF SHALLOW WELLS IN THREE WATERSHEDS OF UPPER ATHI RIVER BASIN, KENYA

This research assessed the sanitary conditions, risk factors and an identification the factors and sources that contribute to pollution of 17 shallow wells located in the Upper Athi River Basin, in Kaimbu County, Kenya using the sanitary assessment inspection methodology prescribed by the World Health Organization. Data obtained from the study was presented and explained using descriptive statistics. One (1) of the shallow...

Author(s):Ebenezer Ashun and George Lartey – Young

Article in Press

Assessment of trace metal distribution and contamination in poultry farm surface soil of Osun State, Southwestern Nigeria

In this study, the seasonal variations in concentration levels of selected heavy metals (As, Cd, Cu, Fe, Pb and Zn) in soils within the vicinity of the three major poultry farms in Osun State, South-Western Nigeria were investigated during two major seasons of Nigeria to ascertain the possible environmental impact of these agricultural farmland. Results of the atomic absorption spectrophotometric (AAS) analysis of samples...

Author(s):Taiwo Olusegun Ogunwale, John Adekunle O. Oyekunle, Aderemi Olufemi Ogunfowokan, Abimbola Bankole Akinyele and Olalekan Ayo Akindolani

Article in Press

EVALUATION OF DISPERSED WATER FROM NIGERIA’S CRUDE OIL BLEND AND ITS EFFECTS ON CRUDE OIL PROPERTIES AND PRODUCTION EQUIPMENT

Dispersed water from crude oil obtained from ten different producing wells in the Niger Delta area of Nigeria were analyzed based on American Standard for Testing and Materials to determine the effects of the physicochemical properties on crude characteristics and the production equipment. Results shows: pH (7.51-8.60), salinity (11174.00 - 21469.00 mg/l), conductivity (12698.00 - 24396.00 µS/cm), sulphate (3.00 - 23.00...

Author(s):Chikwe T. N. and Onojake, M. C.

Page 1 of 1, showing 30 records out of 30 total, starting on record 1, ending on 30

< previousnext >