Research Papers/Topics in Environmental Science

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...

An Assessment Of The Impact Of Land Use Changes On Human Elephant Conflict In Laikipia West District, Kenya

Farmers in Laikipia West district like many other farmers living in wildlife dispersal areas have continued to suffer huge losses resulting from wildlife menace without adequate compensation. Land use has been changing with time making the area prone to crop destruction by elephants. While it is known that land use change contributes to human -wildlife conflict, it has never been quantified over time for Laikipia West District. The objective of the study was to assess...

Assessment Of Economic Impacts Of Climate Change On Livestock And Crop Returns In The Coastal Region Of Kenya

ABSTRACTThe overall objective of this study was to assess the economic impacts of climate change on agriculture in Kenya’s coastal region. To achieve this, specific objectives were used: to assess which impact climate change has on crop net revenue; to evaluate the impact of climate change on livestock net revenue; and to estimate the impact of climate change on combined net revenue. The study was conducted in all the six counties in the coastal Kenya: Kwale, Mombasa, Kilifi, Lamu, Tana Riv...

Assessment Of Climate Change Impacts On Natural Resources And The Different Gender Among The Pastoralist Communities Of Samburu, Kenya

ABSTRACTClimate change due to anthropogenic induced global warming is one of the greatest anddefining challenges of the current and future centuries. The Intergovernmental Panel onClimate Change (IPGC) has unequivocally affirmed it and directly linked it toanthropogenic Green-House Gases (GHGs) emissions from fossil fuel burning and landuse changes. Although the impacts of climate change are global, they will be differentlyfelt and distributed among different regions, generations, age c...

Influence Of Aquaculture Development On Fish Pond Water Quality And Livelihoods Of Fish Farmers In Gatundu, Kiambu County

ABSTRACTA growing fish demand in Kenya, coupled with Government support from theGovernment has seen an upsurge in the aquaculture sub-sector. The Government’sEconomic Stimulus Programme (ESP) has been the main boost to Aquaculturedevelopment in the country. Despite the high growth, there is inadequate information onimpact of the growth in aquaculture on water quality and livelihoods. The main objectiveof this study therefore was to establish the quality of water in the fish ponds and ...

The Performance Of Selected Tree Species In The Rehabilitation Of A Limestone Quarry At East African Portland Cement Company Land, Athi River, Kenya

ABSTRACTQuarrying for limestone is an economic necessity that is not only hazardous to human but also one that invariably has deleterious effect on the environment. Information on the performance of trees species is important as plants are key in the revegetation of exhausted quarries. A comparison of field performance of Acacia xanthophloea, Schinus molle, Casuarina equisetifolia and Grevillea robusta was made in an exhausted limestone quarry, backfilled with limestone mine waste, in a semi-...

Influence Of Fish Trade Activities On The Environment In Gikomba Fish Market, Nairobi County, Kenya

ABSTRACTPost-harvest fisheries activities have been cited as contributors to environmental degradation. The current sanitary situation in urban fish markets is worrying and present threats to the public health and the surrounding environment. The research aimed to investigate and understand how the fish trader’s activities influence the environmental situation in fish markets. A descriptive survey design was used for the research. The target for the study was the fish traders of Gikomba fis...

Oil And Gas Exploration And Sustainable Environmental Management In Oil Block 13t South Lokichar Basin, Turkana County, Kenya

ABSTRACTCommercial oil and gas was discovered in Kenya in 2012. Few academic studies have been done on the effects of the mentioned discovery to the environment.The oil and gas resources are expected to transform the economic wellbeing of the locals and the nation at large.However,land degradation, environmental pollution and socio-economic problems have always ensued oil and gas exporation ventures globally.This study aimed at determining the effects of oil and gas exploration on biophysical...

Challenges And Opportunities Of Indigenous Bamboo And Its Environmental Conservation In Kieni Forest, Gakoe Location Of Kiambu County, Kenya

ABSTRACTYushania alpina formerly known as Arundinaria alpina is the only species of native bamboo indigenous forests in Kenya. It plays an integral part in the indigenous forests in which it occurs. Bamboo is a fast growing, renewable, widespread, low cost, environment enhancing resource with great potential in environmental conservation and poverty alleviation. The lack of rules surrounding bamboo exploitation in Kenya has resulted in unsustainable harvesting and utilization of bamboo. There...

Lime, Manure And Inorganic Fertilizer Effects On Soil Chemical Properties, Maize Yield And Profitability In Tharaka-Nithi County, Kenya

ABSTRACTIn Sub-Saharan Africa, acidic soils occupy 29% of the total area, while about 13% of the Kenyan total land area has acidic soils, widely distributed in croplands of the central regions. The high soil acidity coupled with soil nutrient depletion negatively affect performance and yields of maize in the region. This study was therefore carried out at Kirege in Tharaka Nithi County for two cropping seasons; short rains (SR) in 2016 and long rains (LR) in 2017 to determine the effects of m...

Propagation Of Ocotea Usambarensis Engl. Using Various Methods In Mt. Kenya Forest, Nithi County, Kenya

AbstractInformation on seed germination of trees is important as it forms a vital baseline foramong other information on the germination of indigenous seedlings which take manyyears to germinate. The study was carried out to find out the effect of different lightintensities and growth hormone on the propagation of Ocotea usambarensis Engl.Thestudy was carried out for a period of three months (August to October 2010). Theobjective of the study was to determine the best propagation method using...

Assessment Of Water Qualityin Aquaculture Ponds In Tigoni, Kiambu County, Kenya

ABSTRACT Fisheries and aquaculture is an important source of food, income and livelihoods for hundreds of millions of people around the world. Aquaculture production has increased from 29.5million tonnes in 2010 to37.5 million tonnesin 2014 in the world and 1.3 million tons in 2010 to 3.8 million tonnesin Africa.  There is no sufficient information suitability ofwater quality in aquaculture ponds in Tigoni. The aim of the study wasto determine the suitability of aquaculture pond...

Impacts Of Effluent Discharge From Kapkoros Tea Factory Into Kipsonoi River On The Local Community Of Bomet County, Kenya

ABSTRACTAgro-industrial industries are among of the major contributors of industrial effluent. Poor management of these effluents has resulted in myriad challenges to developing countries on environment and human health. The research was conducted in Bomet County of Kenya. The study sought to assess the impacts of effluent discharge from Kapkoros Tea Factory into Kipsonoi River on the local community. The objectives were: to identify types of wastes generated by the Kapkoros Tea Factory, to a...

Spatial-Temporal Changes Of Landcover Types In Response To Anthropogenic Dynamics In Yala Swamp, Siaya County, Kenya

ABSTRACTResearch in wetlands has made great progress and it is widely recognized globally that they are under threat of disappearing and degradation due to overexploitation of their products and services. The study was undertaken in Yala wetland that covers an area of 17,500 ha in an area with one of the highest population density and growth rate in Kenya. The wetland is mainly cleared for crop cultivation and settlement and about 2,800ha (Figure 4.14) have been drained for commercial agricul...

Anthropogenic Impacts Of Land Use And Land Cover Changes On Mai Mahiu Ecosystem, Nakuru County, Kenya

ABSTRACTLand-use changes are the main cause of human and environmental problems especially inmany developing countries in Africa and Asia. Study was conducted in Mai Mahiu,Nakuru County, Kenya whose aim was to assess the impacts of land-use and coverchanges on the ecosystem functioning and human environment. Specific objectives were:(i) to understand the nature of land use practices (ii) to monitor impacts on soil quality;(iii) impacts on vegetation composition and structure; (iv) to ex...


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