RP-Department of Environmental Science
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Recent Submissions
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Soil Water Use Efficiency under Integrated Soil Management Practices in the Drylands of Kenya
(Ssience Direct, 2023)Soil moisture scarcity and soil fertility decline in the drylands contribute to declining crop productivity. The possible synergistic effects of integrating soil & water conservation, and soil fertility management practices ... -
Soil Aggregation, Organic Carbon and Microbial Biomass As Affected By Tillage, Residue Management and Cropping Systems in Tropical Ferralsols of Western Kenya
(Kenya Agricultural and Livestock Research Organization, 2023)Soil aggregates are important indicators of soil health, nutrient status and ability to resist erosion. This parameter is sensitive to soil disturbances that occasion disintegration of aggregate sizes, loss of organic ... -
The Nexus of Study Discipline and Climate Change Awareness Levels among Undergraduates of Kenyatta University, Kenya
(International Journal of Environment and Climate Change, 2023)Aims: Climate change is an intergenerational challenge likely to impede the realization of Sustainable Development Goals. To combat the effects of climate change requires public understanding of the science behind climate ... -
Seasonal Variations of Physico-Chemical and Microbiological Characteristics of Groundwater Quality in Ruiru, Kiambu County, Kenya
(International Journal of Scientific and Research Publications, 2015-12)A study was conducted to assess seasonal variation in physicochemical and microbiological quality of groundwater in Ruiru, Kiambu County in Kenya. A total of 109 well water samples, 51 boreholes and 58 shallow wells ... -
Nutrient and Organic Carbon losses by erosion, and their economic and environmental implications in the drylands of Kenya
(Elsevier B.V., 2022-04)Erosion causes soil nutrients and financial losses, and negatively impacts the environment. We sought to assess the effects of integrated soil fertility and soil & water management practices on nutrient losses, their ... -
Policy Makers’ Perspective on Impacts of Decentralizing Forest Management in Kenya on Forestry Conservation and Community Livelihoods
(Macrothink Institute, 2020)Forests in Kenya were under traditional community management regimes up to 1891 when formal state management of forests started in Vanga Mangrove forest and later the entire country. In 1997 decentralized forest governance ... -
Land Cover Mapping and Change Analysis in Tropical Humid-highlands: Case of Ndakaini Water Reservoir in Central Kenya
(International Knowledge Sharing Platform, 2020)We successfully used optical remote sensing approach to test the skills of post-classification change detection technique as well as techniques of circumventing the challenges of cloud/cloud-shadow contamination and ... -
Adoption and Utilisation of Zai Pits for Improved Farm Productivity in Drier Upper Eastern Kenya
(Journal of Agriculture and Rural Development in the Tropics and Subtropics, 2020)Inadequate and poorly distributed rainfall and declining soil fertility have led to low crop productivity in most smallholder farms in sub-Saharan Africa. As a result, there has been a renewed quest for sustainable and ... -
Impacts of Long-Term Disturbance on Soil Health With Relation To Vegetation Distribution in a Tropical Ecosystem
(Plant and Environmental Research Institute, 2020)Land-use and land-cover changes are the main cause of soil degradation and associated human and environmental problems. The study was conducted in Mai Mahiu ecosystem, Kenya whose aim was to assess long-term (1985 to 2015) ... -
Land Cover Changes and Its Effects on Streamflows in the Malewa River Basin, Kenya
(Kenya Forestry Research Institute (KARI), 2021)Vegetated landscapes are transformed by both natural and human causes. This is thought to influence river flow regimes. It is argued that restored and reforested landscapes increase stream flow. However, studies done to ... -
Determinants of Climate Change Adaptation and Perceptions among Small-Scale Farmers of Embu County, Eastern Kenya
(Academic Journals, 2021)Climate change threatens the livelihoods of millions of small-scale farmers in East Africa. How farmers perceive climate change and its impacts has a strong bearing on how they adapt to the adverse impacts. This paper ... -
Soil Organic Carbon and Acid Phosphatase Enzyme Activity Response to Phosphate Rock and Organic Inputs in Acidic Soils of Central Highlands of Kenya in Maize
(International Journal of Plant & Soil Science, 2019)Aims: To evaluate the effects of phosphate rock and organic inputs on soil organic carbon and acid phosphatase activity. Study Design: The experiment was laid in Randomized Complete Block Design with seven treatments ... -
Determinants for the Purchase of Woven Products Among Consumers in Kisumu County, Kenya
(International Academic Journal of Social Sciences and Education, 2019)This research was designed to establish the determinants for the purchase of woven products among consumers in Kisumu County, Kenya. By definition, woven products are products made by interlacing fibrous materials like ... -
Anthropogenic Factors that Causes Floods in Mukuru Slums, Nairobi City County, Kenya
(European International Journal of Science and Technology, 2019)Urban slums are facing increased challenges of flooding scenarios that hinder their development. Increased flooding events in informal urban settlements can be attributed to humankind alteration of the environment. The ... -
Agroforestry Technologies Adopted by Smallholder Farmers In Southern Province of Rwanda
(East African Nature & Science Organization, 2019)Agroforestry is an agricultural system that deliberately integrates trees, crops and animals on the same land and under the same management. Agroforestry practices have the ability to counter the increasing food insecurity ...
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Soil Water Use Efficiency under Integrated Soil Management Practices in the Drylands of Kenya
(Ssience Direct, 2023)Soil moisture scarcity and soil fertility decline in the drylands contribute to declining crop productivity. The possible synergistic effects of integrating soil & water conservation, and soil fertility management practices ... -
Soil Aggregation, Organic Carbon and Microbial Biomass As Affected By Tillage, Residue Management and Cropping Systems in Tropical Ferralsols of Western Kenya
(Kenya Agricultural and Livestock Research Organization, 2023)Soil aggregates are important indicators of soil health, nutrient status and ability to resist erosion. This parameter is sensitive to soil disturbances that occasion disintegration of aggregate sizes, loss of organic ... -
The Nexus of Study Discipline and Climate Change Awareness Levels among Undergraduates of Kenyatta University, Kenya
(International Journal of Environment and Climate Change, 2023)Aims: Climate change is an intergenerational challenge likely to impede the realization of Sustainable Development Goals. To combat the effects of climate change requires public understanding of the science behind climate ... -
Seasonal Variations of Physico-Chemical and Microbiological Characteristics of Groundwater Quality in Ruiru, Kiambu County, Kenya
(International Journal of Scientific and Research Publications, 2015-12)A study was conducted to assess seasonal variation in physicochemical and microbiological quality of groundwater in Ruiru, Kiambu County in Kenya. A total of 109 well water samples, 51 boreholes and 58 shallow wells ... -
Nutrient and Organic Carbon losses by erosion, and their economic and environmental implications in the drylands of Kenya
(Elsevier B.V., 2022-04)Erosion causes soil nutrients and financial losses, and negatively impacts the environment. We sought to assess the effects of integrated soil fertility and soil & water management practices on nutrient losses, their ... -
Policy Makers’ Perspective on Impacts of Decentralizing Forest Management in Kenya on Forestry Conservation and Community Livelihoods
(Macrothink Institute, 2020)Forests in Kenya were under traditional community management regimes up to 1891 when formal state management of forests started in Vanga Mangrove forest and later the entire country. In 1997 decentralized forest governance ... -
Land Cover Mapping and Change Analysis in Tropical Humid-highlands: Case of Ndakaini Water Reservoir in Central Kenya
(International Knowledge Sharing Platform, 2020)We successfully used optical remote sensing approach to test the skills of post-classification change detection technique as well as techniques of circumventing the challenges of cloud/cloud-shadow contamination and ... -
Adoption and Utilisation of Zai Pits for Improved Farm Productivity in Drier Upper Eastern Kenya
(Journal of Agriculture and Rural Development in the Tropics and Subtropics, 2020)Inadequate and poorly distributed rainfall and declining soil fertility have led to low crop productivity in most smallholder farms in sub-Saharan Africa. As a result, there has been a renewed quest for sustainable and ... -
Impacts of Long-Term Disturbance on Soil Health With Relation To Vegetation Distribution in a Tropical Ecosystem
(Plant and Environmental Research Institute, 2020)Land-use and land-cover changes are the main cause of soil degradation and associated human and environmental problems. The study was conducted in Mai Mahiu ecosystem, Kenya whose aim was to assess long-term (1985 to 2015) ... -
Land Cover Changes and Its Effects on Streamflows in the Malewa River Basin, Kenya
(Kenya Forestry Research Institute (KARI), 2021)Vegetated landscapes are transformed by both natural and human causes. This is thought to influence river flow regimes. It is argued that restored and reforested landscapes increase stream flow. However, studies done to ... -
Determinants of Climate Change Adaptation and Perceptions among Small-Scale Farmers of Embu County, Eastern Kenya
(Academic Journals, 2021)Climate change threatens the livelihoods of millions of small-scale farmers in East Africa. How farmers perceive climate change and its impacts has a strong bearing on how they adapt to the adverse impacts. This paper ... -
Soil Organic Carbon and Acid Phosphatase Enzyme Activity Response to Phosphate Rock and Organic Inputs in Acidic Soils of Central Highlands of Kenya in Maize
(International Journal of Plant & Soil Science, 2019)Aims: To evaluate the effects of phosphate rock and organic inputs on soil organic carbon and acid phosphatase activity. Study Design: The experiment was laid in Randomized Complete Block Design with seven treatments ... -
Determinants for the Purchase of Woven Products Among Consumers in Kisumu County, Kenya
(International Academic Journal of Social Sciences and Education, 2019)This research was designed to establish the determinants for the purchase of woven products among consumers in Kisumu County, Kenya. By definition, woven products are products made by interlacing fibrous materials like ... -
Anthropogenic Factors that Causes Floods in Mukuru Slums, Nairobi City County, Kenya
(European International Journal of Science and Technology, 2019)Urban slums are facing increased challenges of flooding scenarios that hinder their development. Increased flooding events in informal urban settlements can be attributed to humankind alteration of the environment. The ... -
Agroforestry Technologies Adopted by Smallholder Farmers In Southern Province of Rwanda
(East African Nature & Science Organization, 2019)Agroforestry is an agricultural system that deliberately integrates trees, crops and animals on the same land and under the same management. Agroforestry practices have the ability to counter the increasing food insecurity ... -
Trade-Off Between Agroforestry and Ecosystem Services among Smallholder Farmers in Machakos County, Kenya
(East African Nature & Science Organization, 2019)Agroforestry provides multiple ecosystem services. The understanding of the relationships between it and the ecosystem services can help to lessen undesired trade-offs. The aim of this study was to determine the trade-offs ... -
Land Cover Changes in the Malewa River Basin, Kenya
(David Publishing, 2019)Detection of land cover change helps in the understanding of how humans modify the natural environment. Modification is attributed to both restoration and degradation processes. Such information guides decisions on ... -
Annonated Checklist of Plant Species of Loita Forest (Entim E Naimina Enkiyio Forest or the Forest of the Lost Child), Narok County, Kenya
(IJARBS, 2019)An ethnobotanical survey was undertaken in Loita forest from 2012 to 2015 to document species richness and compile the first comphrensive plant species checklist of Loita forest. The forest is located in Narok County, ... -
Nitrogen Release and Synchrony in Organic and Conventional Farming Systems of the Central Highlands of Kenya
(Springer Nature, 2019)To match Nitrogen (N) supply to crop N demand, it is essential to understand N release and uptake patterns in different farming systems and crops. To assesses the dynamics of N released in organic and conventional ... -
Socio-Economic Predictors, Soil Fertility Knowledge Domains and Strategies for Sustainable Maize Intensification in Embu County, Kenya
(Elsevier, 2021)Integrated Soil Fertility Management (ISFM) practices are widely recognized as crucial interventions but knowledge-intensive technologies for farmers in Sub-Saharan Africa (SSA). Very few studies have synthesized the ...
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