Browsing PHD-Department of Environmental Science by Issue Date
Now showing items 1-20 of 28
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Pupils' understanding of the concept of environment: a case study of standard seven pupils in Nyanza Province, Kenya
(Kenyatta University, 2005-12)The study, resulting into this thesis, was based on the awareness that humanity's survival and prosperity depend on the finite resources and life supporting systems (e.g. water, air and soil) all of which are rapidly ... -
An Evaluation of Integrated Soil Fertility Management Practices in Meru South District, Kenya.
(Kenyatta University, 2007-10)Farmers in the central highlands of Kenya do face problems of low crop yields due to soil fertility decline. This is as a result of continuous cropping, nutrient losses through crop harvests, soil erosion and leaching ... -
Micro-level wood energy planning for Kiambu, Thika and Maragwa districts: a case study for decentralised wood energy plan in Kenya
(2011-07-28)Wood energy provides 70% of Kenya's national energy needy and is expected to continue as the country's main source of energy for the foreseeable future. However, despite the importance of wood energy in the economic ... -
Land use and its effect on biodiversity in the lake ol' Bolossat basin, Nyandarua, Kenya
(2011-08-03)There is need to address factors that endanger species' survival now than ever before in order to reverse or slow down the rate of loss of biological diversity. The main objective of this study was to assess the effect of ... -
A comparative study of the influence of variations in environmental factors on phytoplankton roperties of selected reservoirs in Central Kenya.
(2011-08-03)Limnological information on reservoirs is important as it forms a vital baseline for among others the detection of undesirable changes in water quality. The physicochemical and phytoplankton properties were investigated ... -
Environmental determinants of material morbidity and mortality in Bondo district, Kenya
(2011-08-10)The evident disparities in maternal morbidity and mortality between developed and developing countries are of concern. These stem from the fact that developed countries have achieved very low rates of 9 maternal deaths per ... -
Socio-economic empowerment of smallholder farmers through community based tourism in Meru South district of Kenya
(2011-10-31)Competing demands for livelihood support to the 80% of the Kenyan population dependent on agriculture and the national goal to steer economic growth have increasingly applied pressure, to the already strained sector, thanks ... -
The potentials of agroforestry in biodiversity conservation and sustainable development; a case of the Mt. Kenya region
(2011-11-01)A study on agroforestry systems in agro-ecological zones of the Mt. Kenya region that are suitable for tea and coffee growing was carried out with the aim of establishing their potential for biodiversity conservation and ... -
Exploring nitrogen replenishment option for improving soil productivity in sites with varied soil fertility status in the central highlands of Kenya
(2011-11-01)Declining land productivity is a major problem facing smallholder farmers in central Kenya. This decline is caused by low soil fertility caused by continuous cultivation without adequate addition of external nutrients. Two ... -
Determination of factors influencing the efficiency of legume green manures for maize production in Embu, Kenya
(2011-11-01)Land productivity in the central highlands of Kenya is mainly constrained by low and declining soil fertility. In the maize-based farming systems, continuous cultivation without adequate soil fertility enhancement measures ... -
Sustainability of dryland agroforestry systems in eastern Kenya: farmers' perceptions, Physio-ecological factors and landscape patterns
(2011-12-19)The study focused on gaining an understanding of current farmers' practices and perceptions of locally evolving agroforestry trends and practices involving Grevillea robusta and Melia volkensi and their social and environmental ... -
Biophysical evaluation of sand encroachment and nebkha-dune stabilisation in North Horr, Marsabit district, Kenya
(2012-01-04)Nebkha dunes, formed by the trapping of sand around the body of a plant, provide habitats for small fauna and are thus, important in the conservation of biodiversity in desert ecosystems. Many authors have reported results ... -
Influence of household environment on child morbidity and mortality in slums: a case study of Mathare and Soweto, Nairobi
(2012-01-20)Child mortality and morbidity disparities continue to be observed in this era of improved expansion of the provision of health care services. Some areas have low rates while others have high. The observed patterns are ... -
Role of school based clubs in addressing environmental threats in the Nile Basin, case of Jinja District, Uganda
(2012-04-12)This study sought to examine the different ways in which secondary school based clubs in Jinja District, Uganda addressed Nile basin environmental threats. The ultimate goal of the study was to enhance secondary school ... -
The performance of selected tree species in the rehabilitation of a limestone quarry at East African Portland Cement Company land Athi River, Kenya
(2012-04-12)Quarrying 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 ... -
Developing responsible environmental behaviour through formal school curriculum: the case of Kajiado, Kiambu and Nairobi Districts of Kenya
(2012-09-12)The acquisition of responsible environmental behaviour through the school curriculum has more often been inferred than researched. Literature search on the subject indicates that more studies have focused on the status of ... -
Determinants of the Biodiversity Conservation-tourism Nexus in the Buffer Zone of Amboseli Biosphere Reserve, Kenya
(2014-02-24)Tourism is an important ecocomic sector that generates billions of dollars all over the world. In Kenya, tourism is an important economic sector, contributing nearly 12% of the country’s Gross Domestic Product. The ... -
Economic Analysis of Climate Change Adaptation Strategies at Community Farm-Level in Ijara, Garissa County, Kenya
(Kenyatta University, 2015)The semi-arid Ijara sub-county borders Fafi sub-county to the north, Lamu and Tana River counties to the south and west respectively and republic of Somalia to the east. It occupies agro-ecological zones IV to VI, that ... -
Assessment of Heavy Metal Contamination in Masinga Reservoir, Kenya
(Kenyatta University, 2015)In Kenya, monitoring of heavy metal pollution is a priority area of research since their concentrations in aquatic ecosystems affect the fish industry which is a major source of livelihood. Therefore, an assessment of heavy ... -
Influence of Climate Variability on Coastal Small-Scale Fishing Communities in Kenya
(Kenyatta University, 2015)Globally, fisheries support the livelihoods of over half a billion people. Around 90% of the 38 million people recorded globally as fishers are classified as small-scale. Small-scale fishers are considered vulnerable to ...
