Environmental & Physical Sciences

Environmental & Physical Sciences Research Papers/Topics

Evaluation Of Two Trap Types And Two Attractants For Mango Stone Weevil Sternochetus Mangiferae (F) (Coleoptera: Curculionidae) In Three Districts In Southern Ghana

ABSTRACT The Black pyramid and Circle traps were evaluated with single and double combinations of gas chromatography grade of benzaldehyde (BZ) and essential oil (EO) obtained from the mango blossom to determine their performance in attracting the mango stone weevil in three commercial mango orchards located at Ayikuma, Kpong and Somanya all in Southern Ghana. Eight trap and lure treatment combinations consisting of (Pyramid trap only, Pyramid trap + BZ, Pyramid trap + EO, Pyramid trap + BZ +...

Trace Elements And Naturally Occurring Radioactive Materials In “Non-Traditional Fertilizers” Used In Ghana

ABSTRACT Fertilizers have been implicated for being contaminated with toxic trace elements and naturally occurring radioactive materials (NORMs) even though they are an indispensible component of our agriculture. This phenomenon of contamination has been investigated and established world-wide in various forms of fertilizers (i.e., granular or “traditional” type and liquid/powder or “non-traditional type”). In Ghana, the crop sub-sector has seen a gradual rise in the importation and u...

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...

Investigative Study Of Radiotoxicity Of Spent Nuclear Fuel Assembly Of Some Commercial Nuclear Power Plants

ABSTRACT The European Pressurized Water Reactor (EPR) and Hualong One Pressurized Water Reactor (HPR) are two of the reactors under consideration by the Ghana Nuclear Power Programme. Radiotoxicity analysis of Spent Nuclear Fuel (SNF) assembly was carried out with these commercial Pressurized Water Reactor (PWR) nuclear power technology as case study. Burnup depletion calculation for the Uranium Oxide (UOX) fuel of these reactor technologies was simulated. Monte Carlo Neutron Particle Extende...

Effect Of Temperature On, And The Efficacy Of Eucalyptus Leaf Extracts Against Sitophilus Zeamais Motschulsky (Coleoptera: Curculionidae) In Stored Maize

ABSTRACT This study sought to determine the most effective concentration and favourable temperature at which Methanol and Diethyl ether extracts of Eucalyptus sp leaf are most effective in the control of Sitophilus zeamais in stored maize. Bioassay on efficacy of Methanol and Diethyl ether extract of Eucalyptus sp leaf was carried out with 4 treatment concentrations of 0.2%, 0.4%, 0.8% and 1.2% dissolved in acetone at 0.5 g/L of solvent. The extract was replicated three times and stored at te...

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...

Geotechnical Suitability Of Laterite From Onihale/Isorosi Road, Ijako-Ifo Burrow Pit As A Subgrade Material

ABSTRACT Laterites are soils that formed from the weathering of the basement complex and are rich in secondary oxides of Iron and Aluminum. It‟s red colouration is due to it‟s high iron content. Laterites are mostly found in Tropical regions which are characterized by distinct dry and wet seasons. Laterites are mainly used in the construction ofroads either as a subgrade or as a sub-base material. Geotechnical evaluation is one of the effective means of detecting and solving pre and post...

Geophysical Investigation Of Salt-Polluted Groundwater In Ogba-Iyo/Blessed Community, Ijoko, Southwestern Nigeria

ABSTRACT Geo-electrical resistivity techniques are increasingly being applied in addressing a wide range of hydrological, environmental, and geotechnical problems. This is due to their effectiveness in near-surface characterization. Seven (7) vertical electrical soundings (VES) was integrated with 2-D geo-electrical resistivity in three locations and three traverses to characterize the near-surface and subsurface and also delineate the underlying aquifer properties in the sedimentary terrain...

Geophysical And Physico-Chemical Characteristics Of Ground Water In Alapoti And Its Environs, Ogunstate, South-Western Nigeria

ABSTRACT Electrical resistivity method involving the2-D surveying was carried out within the sedimentary complexterrain of Alapoti Ogun State South Western Nigeria with a view of estimating the geo electric layer parameters (resistivity and thickness),to identify the aquifer types and evaluate the ground water potential and over burden protective capacity over the aquifer. 

Assessment Of Groundwater Quality For Irrigation Purposes In Ado-Odo-Ilaro District, South-Western Nigeria.

ABSTRACT The need to increase the agricultural outputs is the major concern of the farmers in Ado-OdoIlaro District. Therefore there is need to determine the physico-chemical and geochemical parameters of groundwater and surface water within this sedimentary terrain in order to ascertain the quality of groundwater for agricultural purposes. Thirty-three underground water samples were collected for the determination of physical and chemical parameters. Sodium Adsorption Ratio (SAR), Soluble S...

Geochemical Appraisal Of Trace Metal Concentrations In Soils Of Selected Area Of Badagry, South -Western Nigeria

ABSTRACT The environment is being degraded on a daily basis as a result of human activities like auto traffic, mining and agriculture among others. This has made environmental assessment studies and monitoring a matter of global attention considering our growing population Studies have also revealed that adverse health are associated with the pollution of the ecosystem by heavy metals which are easily bio accumulative but not biodegradable. This project is aimed at assessing the level of met...

Engineering Characteristics Of Gneiss-Derived Lateritic Soil At Km 4...Along Ologuneru-Eleyele, Ibadan Rd., Southwestern Nigeria.

ABSTRACT This study is aimed at determining the suitability of laterite soil derived from granite-gneiss from the burrow pit along Km 4 Ologuneru-Eleyele Road as a subgrade or subbase material Three samples were collected at different height from a burrow pit in the study area and were subjected to soil tests such as natural moisture content, optimum moisture content, maximum dry density, specific gravity and Atterberg limit at its dry state. Engineering tests such as California bearing rati...

Contaminated Site Investigation Using Nuclear Technique: A Case Study Of Temporary Transformer Storage Sites In Ghana

ABSTRACT Recent introduction of man-made toxic chemicals, and the massive relocation of natural materials to different environmental compartments like soil, ground water and atmosphere, has resulted in severe pressure on the self-cleansing capacity of recipient ecosystems. Various accumulated pollutants and contaminants such as polychlorinated biphenyls (PCBs) are of much concern relative to both human and ecosystem exposure and potential health impact. PCBs which are resistant to degradati...

Aspect Of Sedimentological Evaluation Of Exposures Of Eastern Dahomey Basin, At Ijeshaijebu, Southwestern Nigeria

ABSTRACT The study area, Ijesha-Ijebu falls within the Nigeria sector of the Eastern Dahomey Basin. It lies within the contact zone between the south-western basement rocks and the Eastern Dahomey Basin. The principal objective of this project work is to deduce the depositional environment and identify the formations in the study area. The field and laboratory investigation were carried out during this project work. Nineteen (19) rock samples collected were described for its: grain texture, ...

Facies Evaluations And Paleoenvironmental Reconstruction Of The Turonian Nkalagu Formation, South Eastern Nigeria

ABSTRACT The Turonian Nkalagu Formation exposed at NIGERCEM (Nigerian Cement Company) within the Lower Benue Trough was studied in this work in order to determine and establish the lithostratigraphic successions and reconstruct the paleoenvironment of the deposition. Two major litho-facies were delineated. The first is matrix-supported bioclastic shell lag wackestone facies which account for about 70% of the carbonates. The second is a massive fossil-poor micritic limestone. However, using th...


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