Browsing PHD-Department of Environmental Science by Title
Now showing items 1-20 of 28
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Analysis of Biogas Technology for Household Energy, Sustainable Livelihoods and Climate Change Mitigation in Kiambu County, Kenya
(Kenyatta University, 2015-01-21)Domestic energy insecurity is a major threat to sustainable development in Sub Saharan Africa. Across the region, the fundamental role that firewood and charcoal plays in the social and economic welfare of many households ... -
Anthropogenic Impacts of Land Use and Land Cover Changes on Mai Mahiu Ecosystem, Nakuru County, Kenya
(Kenyatta University, 2020)Land-use changes are the main cause of human and environmental problems especially in many developing countries in Africa and Asia. Study was conducted in Mai Mahiu, Nakuru County, Kenya whose aim was to assess the impacts ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Effects of selected tree species on socio-economic benefits and sustainable land management within agro-ecosystems in Kitui County, Kenya
(Kenyatta University, 2015-10)Dryland ecosystems are increasingly becoming recipients of human populations, which is a response to highland pressure and land scarcity in the arable zones. Despite strong evidence linking benefits of agroforestry with ... -
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 ... -
Evaluating payment potential for environmental services and watershed conservation of Thika Dam, Murang’a County, Kenya
(Kenyatta University, 2018-05)Payment for Environmental Services is a concept that is increasingly being adopted as anincentive-basedapproach in natural resource management. It links the suppliers and consumers of environmental goods and services in ... -
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 ... -
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 ... -
Impacts of Decentralized Governance on Forest Conservation and Community Livelihoods in Kakamega and Loita Forests, Kenya
(Kenyatta University, 2018-12)There is a global trend towards decentralizing the management of forests. Forestry decentralization in Kenya is relatively new with enabling legislation having been promulgated in 2007. The impact of decentralization on ... -
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 ... -
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 ... -
Influence of land use and land cover changes on groundwater recharge and pollution in stony Athi Subcatchment, Kajiado County, Kenya
(Kenyatta University, 2023)The global economic growth and population increase has translated into increased anthropogenic land use and land cover changes. Changes in land use and land cover have the potential of altering the hydrological cycle. In ... -
Intraseasonal Rainfall Variability and Climate Change Adaptation in East Africa
(Kenyatta University, 2021)The study assessed historical intraseasonal rainfall variability, generated future intraseasonal rainfall scenarios, and made recommendations to build on climate service foundations for a sustainable climate change ... -
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 ...
