Environmental Science Research Papers/Topics

Sustainable Bioenergy: Biodiesel Production From Microalgae Occurring In Ghana

ABSTRACT Due to increasing oil prices and climate change concerns, biodiesel has gained attention as an alternative energy source. Biodiesel derived from microalgae is a potentially renewable and carbon–neutral alternative to petroleum fuels. This study was carried out to determine the potentials of producing biodiesel from microalgae obtained from freshwater bodies in Ghana to serve as an environmentally sustainable fuel and an alternative to the use of fossil diesel. In the study, water s...

Chemical And Biological Characteristics Of Some Marketed Solid Waste Composts In Ghana

ABSTRACT The study assessed the chemical and biological characteristics of composts made from municipal solid waste in Accra and agricultural waste in Kade in Ghana. In Accra, compost samples were taken at residential level (Household composting), decentralised community level (AsieduKeteke composting facility) and at large-scale metropolis level (Teshie composting plant). The compost samples from Kade were produced at the University of Ghana Agricultural Research Station. Composting operatio...

Self-Reported Health Status Of Fish Smokers At Abuesi, A Fishing Community In The Western Region Of Ghana

ABSTRACT The aim of the study was to assess the reported health problems associated with the burning of biomass fuel for fish smoking. A cross-sectional study was conducted from December 2016 to May 2017 among fish smokers at Abuesi in the Western Region of Ghana. A total of 434 fish smokers were selected to assess their level of knowledge of health effects associated with fish smoking as well as disease symptoms they have encountered as a result of smoking fish. Additionally, 60 smoke houses...

Assessing Willingness To Reuse Treated Wastewater For Crops Irrigation, And The Consumption Of Crops Irrigated With Treated Wastewater: A Case Study Of Students From University Of Ghana And A

ABSTRACT All life forms including human need water resources in order to live healthy, promote sustainable development and ensure their well- being. The study assessed public willingness to accept and reuse treated wastewater as an alternative water resource to support the dwindling existing water resources for irrigation and the consumption wastewater irrigated crops. A social survey based on random sampling of 232 respondents in Ashaiman, capital of Ashaiman Municipality which has a well di...

Impacts Of Land Use/Cover Change On Water Quality In Lake Bosomtwi Basin Of Ghana..

ABSTRACT Land use/cover alteration within lake basins is occurring at accelerated rate most importantly in developing countries like Ghana. Anthropogenic activities (livelihood change, population growth, agricultural intensification and practices) and natural factors like seasonal variations are in most situations the major cause. To examine the effects of land use/cover on the physico-chemical and biological properties of Lake Bosomtwi, satellite images of the Lake’s watershed covering the...

Occurence of Antibiotic Resistant Bacteria in The Legon Sewage Treatment Plant And The Receiving Onyasia Stream; Implications For Wastewater Reuse

ABSTRACT  Although wastewater treatment plants efficiently reduce the loads of pathogens in wastewater, the conventional treatment processes do not show significant removal of antibiotics, antibiotic resistant bacteria and antibiotic resistant genes, resulting in the introduction of these contaminants into the environment. This has human health implications for wastewater reuse and the use of effluent receiving water bodies as irrigation sources. Humans may be exposed to resistant bacteria a...

The Potassium Status Of Soils And Its Absorption By Cassava In Selected Farms In The Central Region

ABSTRACT Potassium (K) plays an outstanding role in plants and animals. Cassava, a widely grown staple in Ghana is noted for extracting large amounts of K from the soil. Cassava’s ability to absorb K from the soil is worth studying as it is vital for sustainable production and biofortification. The study was conducted to assess cassava’s ability to absorb K under fertilized and unfertilized systems. Two cassava genotypes, Cape Vars and Botan were grown under different fertilizer treatment...

Assessment of OrganoChlorine Pesticides and Atrazine Residues in Maize Produced in Ghana Using GC-ECD/ GC-MS

ABSTRACT Maize is consumed by over 95% of the Ghanaian populace and the practice of using atrazine, lindane and other organochlorine pesticides in its production has raised concerns about potential adverse effects on human health and the environment. A field survey was conducted in this study to assess farmers‟ knowledge of safe handling and use of these chemicals as well as toxicity awareness and symptoms among farmers and traders. Residues of the pesticides in maize samples as well as th...

ETHNOBOTANY AND ECOLOGY OF PLANTS OF IMPORTANCE IN REPRODUCTIVE HEALTH: A CASE STUDY OF SUBRI RIVER ,".; FOREST RESERVE IN THE WESTERN REGION OF GHANA.

ABSTRACT Ethnobotanical and ecological studies were carried out to take inventory of the species used by the inhabitants surrounding the Subri River Forest Reserve for reproductive health care and to assess the ecological status ofwoody plant species ofthis reserve. The study was carried out between November 2005 and December 2006. Medical ethnobotanical knowledge was gathered from 80 inhabitants in 25 , , communities using questionnaires. Reproductive health conditions were categorized into...

EFFECT OF COMPOST AS SOIL AMENDMENT ON GROWTH, YIELD AND QUALITY OF OKRA

ABSTRACT Organic nutrient sources such as compost could be used to improve the low fertility of tropical soils as it has the potential to enhance soil physical, chemical and biological properties and improve growth, yield and quality of crops. Pot and field experiments were conducted to investigate the effect of compost on growth, yield and nutritional quality of okra, Abelmoschus esculentus (L.) Moench. The pot experiment was done using the Completely Randomized design while field trial was ...

ASSESSING THE IMPACT OF AN OPERATING TAILINGS STORAGE FACILITY ON CATCHMENT SURFACE AND GROUNDWATER QUALITY: A CASE STUDY OF ADAMUS RESOURCES LIMITED (NZEMA GOLD MINE) IN THE ELLEMBELE DISTRI

ABSTRACT The study assessed the impact of an operating Tailings Storage Facility (TSF) of Adamus Resources Limited (Nzema Gold Mine) in the Ellembele District, Western Ghana, on catchment surface and groundwater quality. Water samples were collected between June and December 2014 from seventeen (17) sampling sites including the TSF decant water (TSF-DW), three (3) streams, a water storage dam, a pond and eleven (11) groundwater monitoring boreholes within 500m radius of the mine’s Tailings ...

EVALUATION OF LOCAL FEEDSTOCKS FOR BIOCHAR PRODUCTION AND POTENTIAL USE OF IT AS SOIL AMENDMENT FOR LETTUCE (Lactuca sativa.L) PRODUCTION

ABSTRACT Agricultural waste can be processed under pyrolysis to generate energy for cooking, resulting in a byproduct called biochar. Biochar has the potential to be used as a soil amendment but this facility has not been explored by researchers. Unpelletized corn cob and oil palm press were subjected to water boiling test, burning duration test, biomass consumption rate, biochar yield, pH of residual water and flame characteristics using Lucia stove. The results generally indicated that corn...

LAND-USE/LAND COVER CHANGE AND ITS RELATIONSHIP TO CHANGING CLIMATE AND CROP PRODUCTION IN THE LOWER VOLTA BASIN, GHANA

ABSTRACT The construction of the Akosombo and Kpong dams have led to a change in the watershed ecology which has in turn contributed to the change in land use and land cover of the Lower Volta Basin (LVB). Inevitable changing global climate has also played a role in the alteration of land cover and crop production which have affected livelihoods. In this study, a post-classification comparison change detection algorithm was used to determine changes in land use and land cover that have taken ...

TOWARDS AN ECOSYSTEM-BASED DISASTER RISK REDUCTION (Eco-DRR) FOR FLOODS IN SOME DOWNSTREAM COMMUNITIES OF THE LOWER VOLTA, GHANA

ABSTRACT Changes in river flows for hydro-electric power generation, agricultural purposes and water conservation, and other land use changes have had major ecological, social and economic consequences, which include but are not limited to disasters. The poor who mainly live in rural areas directly depend on most of these ecosystems and the services they provide for their livelihood, and so are more vulnerable to changes in ecosystems. This study was carried out to identify communities in the...

CLIMATE CHANGE IMPACTS ON THE HYDROLOGICAL PROCESSES OF DENSU RIVER BASIN (DRB) USING THE SWAT MODEL

ABSTRACT The impact of climate change is now posing a greater threat on the hydrological cycle leading to drought and water stress in small basins. Matters of climate change have now become a primary concern to most nations due to the implication on society and humanity. The study used 17 ensemble climate model from the Coupled Model Intercompersion Project Phase 5 (CMIP5) to estimate the future climatic condition for the 2050s (2035 to 2065) under Representative Concentration Pathways (RCP) ...


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