Environmental & Physical Sciences

Research Papers/Topics in Environmental & Physical Sciences

Biodiversity and National Development in Nigeria: Potentials and Challenges

Nigeria boasts a very rich biome which places the Nation amongst the few Nations with an almost complete Natural diversity. However, this diversity has not been protected as supposed in recent years, and this article exposes the many potentials and challenges faced by the Nigerian Biodiversity, in relation to National Development.It is common knowledge that the Nigerian biome hosts a large proportion of the world's biodiversity and this means that the circumstances of the Nigerian biome becom...

Live Captures And The International Trade In Small Cetacean Species From Japan

AbstractIn October 2007 CITES Secretariat Willem Wijnstekers issued a statement in response to numerous requests calling for CITES to intervene in the trade of live dolphins. Mr. Wijnstekers stated in his response that CITES had not been presented with any evidence demonstrating that the required NDF’s were inadequate for such exports. Furthermore, he stated that CITES had not been furnished with evidence to show that such exports were having a detrimental impact on wild dolph...

Studies of Essential and Non-Essential Elements in Cereal Based Weaning Foods for Infants Commercially Available on the Ghanaian Market

ABSTRACT Cereal-based weaning foods, which abound on the Ghanaian market, are nutritionally vital in the growth and development of infants. Recent reports in scientific literature however indicate that rice and other cereals used in the manufacture of the weaning foods contribute significantly to the intake of arsenic (As), cadmium (Cd) and lead (Pb) by infants. In view of this, frequent monitoring of the cereal-based weaning foods has become imperative. The study assessed the beneficia...

A Theoretical Study Of The Production Of Technetium-99m ( 99mtc) Using A Cyclotron

ABSTRACT A theoretical study of the production of Technetium-99m (99mTc) using a cyclotron has been conducted. A nuclear reaction model code (Talys code) was used to generate reaction cross sections as functions of particle energies for 100Mo (p, 2n)99mTc reaction channel which would lead to the direct production of 99mTc. Excitation function for the desired reaction channel for the production of 99mTc and excitation functions for the reaction channels of competing products (contam...

Biotype-Host Association And Distribution Of Adult Bemisia Tabachgenn.) (Homoptera: Aleyrodidae) Qn Different Host Plants.

ABSTRACTBemisia tabaci is an important agricultural pest worldwide, which used to be a minor, pest in Ghana but has become a major pest mainly due to the misuse of insecticides. The objectives of this thesis were to examine the occurrence of biotypes, within and between-plant distribution, dispersion and sampling methods for 6. tabaci adults on cassava, tomato, okra, garden egg and coral plant. Using cross-infestation, population trends and random amplified polymorphic DNA - polymerase chain ...

"An Assessment Of Water Quality: The Case Of Millennium Development Goals (Mdg's) Boreholes In Kuje Area Council, Abuja Nigeria.

ABSTRACT This study assessed water quality of MDG's boreholes in Kuje Area Council Abuja with a view to determine its suitability for human consumption, to achieve this, the study embarked on (i) identification of MDGs Boreholes, (ii)physic-biological characteristics and heavy metal concentration of water samples, determination of the quality of the boreholes water samples, (iii) comparison of result obtained in (2) above with WHO Drinking Water Standard, in the study area and value obt...

Waste Disposal Mechanism as Determinant of Health Status of Residents of Ijebu-Ode Metropolis

ABSTRACT Descriptive survey design was adopted for the study. One hundred and twenty (n=120) participants were drawn using simple random sampling technique from ten streets of Ijebu Ode metropolis. Interview and personal observation were used to collect the data. These data collections were Residents’ Waste Management Methods, Solid Waste Management Attitude Scale, Key Informant Interview Schedule. A mean score of 2.0 and above indicates that the residents are of positive atti...

The Impact Of Human Activities On The Wetland Eco-System A Case Study Of Nakigalala Zone Kajjansi, Wakiso District Uganda

ABSTRACTThe purpose of the study was to establish the impact of human activities on the wetland ecosystem in Nakigalala Zone Kajjansi, wakiso district Uganda. The major concern was the factors,activities and effects of human activities on wetlands. The study was conducted amongsurrounding outgrowers, labour workers, brick laying companies, among othersThe literature review covered relevant literature from other previous writers, journals,documentary reviews of the impact of human activit...

Upland Rice Growing And Its Environmental Impacts In Kakiri Sub County, Wakiso District

ABSTRACTThe study looked at the Factors affecting upland rice growing for improved livelihoodamong the people of Kakiri Sub County, Wakiso district. The study was guided by thefollowing specific objectives; finding out the relationship between production of uplandrice and the wellbeing of the natives, establish the extent to which the technologyemployed affects the amount of rice produced, establish the impact of rice growing on theenvironment and To identify the problem encountered in ...

Impact Of Soil Erosion On Agrjculturaj~ Productivity In Uganda: A Case Study Of Nyadri Sub~County, Arua District

This study establishes the effect of soil erosion on agricultural activities in Nyadri Sub-County, Arua District, North Western Uganda. The research objectives included establishing the evident forms of soil erosion in the sub-county, main causes of soil erosion in the sub-county and ways in which soil erosion affects agricultural production in the area. The Research was conducted in the four parishes of Nyadri Sub-county and it was carried out in a period of three months. The literatu...

Assessing The Effectiveness Of Medical Waste Management Strategies; A Case Study Of Mwanza District, Tanzania

Medical wastes are highly infectious and hazardous wastes that may carry pathogens of dreadful diseases hence its management is vital not only because human health is important but also quality of the environment has to be kept into consideration. Mismanagement of Medical waste implies combinations of improper handling of wastes during generation, collection, storage, transport and treatment or disposal. However proper strategies for effective management are still the problem in urban ar...

The Effect Of Industrialization On The Environment” A Case Study Of Leather Industry Of Kenya Limited (Lik), Thika Municipality, Thika District

ABSTRACTA study on the effects of industrialization on the environment was carried out in theleather industry of Kenya limited, Makongeni industrial area, Thika municipality, Thikadistrict. The main objectives considered include industrial activities carried out, theimpacts of LIK on the environment and to the industry, current measures beingundertaken to minimize the effects and the way forward through suggestedrecommendations to reduce the industrial effects on the environment and on ...

The Assessment Of Agroforestry In The Conservation Of Forest Resource In Central Districts Of Uganda A Case Study Of Busujju County - Mityana District.

ABSTRACTThe study assessed the role of Agroforestry in the Conservation of Forest Resource in Central District of Uganda: A Case Study of Busujju County - Mityana District. The objectives of the study included; to analyze the different agro-forestry practices, to examine the causes and impact of forest degradation and to assess the effect of agro-forestry practices in the conservation of forest resource in central districts of Uganda: a case study of Busujju County ...

Impacts Of Traditional Farming Methods On Soil: A Case Study Of Kasameni Division Kwale County, Kenya

ABSTRACTTraditional farming embraces the use of local tools like hoes, jembes, sticks and indigenousfarming technology for a wide range of farm operations from land preparation to planting,harvesting, storage and selling the surplus harvests while the impacts of traditional farminginclude soil degradation, soil erosion and others. This study was therefore to assess the degree oftraditional farming and its impacts on soil degradation in Kasemeni division in Kwale County,Kenya. The study w...

The Effect Of Squatter Settlements On The Environment: A Case Study Of Nkere Zone Makindye Division Kampala Uganda

A study was conducted in Nkere zone Makindye Division a Kampala suburb, the main issues considered included the manner squatter settlements develop, who establishes them and why it happens so. Then their impact on both the human and bio-physical environments. The study also considered measures and controls to reduce the development of slums around cities. A general study survey research design was used in carrying out this study and instruments in data collection included questionnaires...


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