Browsing Faculty of Science & Technology (FST) by Title
Now showing items 1194-1213 of 4028
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East African rainfall variability associated with the Madden-Julian Oscillation
(University of NairobiDepartment of Meteorology, 2006)Rainfall is the most important weather parameter that affects social and economic activities in the tropics. High rainfall variability characterized by anomalous wet events and dry spells occur at intraseasonal time ... -
Ecohydrologic Effects of Shade Trees Spacing on Soil Characteristics Affecting Tea Yields and Quality: a Case Study of Moniere Estate in Kipkebe of Sotik Sub-county
(University of Nairobi, 2023)Shades are used to modify the micro-climatic and environmental conditions which in turn affect soil hydrologic attributes such as moisture content, hydraulic conductivity, porosity and the rate infiltration that determine ... -
An ecological and palynological study of Manguo Wetland in Kiambu County, Kenya
(University of Nairobi,School of Biological Sciences,, 2013-09)Wetlands provide vital natural products and environmental services that support human development. The ecological character of wetlands are closely linked with the surrounding terrestrial ecosystems hence land use ... -
Ecological and physiological adaptations of malaria vectors in a semi-arid area in Baringo district, Kenya
(2011)Longitudinal entomological sampling was executed to study physiological and ecological adaptations of malaria vectors at two semi-arid villages (Kamarimar and Tirion) in Kenya. Adult mosquitoes were sampled using CDC light ... -
The ecological and social aspects of livestock predation by large carnivores in pastoral ranches adjacent to Maasai Mara National Reserve, Kenya
(University of NairobiSchool of Biological Sciences, 2010)Allover the world, human-wildlife conflict is an ever increasing problem for many species of wildlife and especially true for large carnivores. They are often killed when threatening humans and their domesticated animals, ... -
Ecological and socio-economic factors influencing livestock production: A case study of dairy industry in three major agro-ecological zones of Kisii district, West Kenya
(Facult of Science, University of Nairobi, 1990) -
An Ecological Assessment Of Littoral Seagrass Communities In Diani And Galu Coastal Beaches, Kenya
(University of NairobiSchool of Biological Sciences, 1995)Most studies along the Kenyan coast have concentrated on coral reefs and mangrove swamps. Limited studies have been carried out on seagrasses though they provide an important link between the mangroves and the coral ... -
Ecological effects of the invasive house sparrow (passer domesticus) on sympatric native sparrows in three urban areas in Kenya
(University of Nairobi, 2014-06)House sparrow is one of the world’s most successful avian invasive species. It has colonized many ur ban environments in central Europe, Central Asia and Africa. It was accidentally introduced to Kenya in Momba sa in ... -
The ecological impact of abandoned Maasai setilements on savanna vegetation and its herbivores in the Amboseli ecosystem
(School of Biological Sciences, University of Nairobi, 1981)The open savannas scientist have come to regard as typical have been created by the activities of humans, livestock, fire and wildlife. Many studies of savannas ecosystems have concentrated on the fairly destructive ... -
The ecological impacts of tourism in the Masai Mara National Reserve, Kenya.
(Department of Zoology, University of Nairobi, 1991) -
Ecological Niche Modeling Of Malaria Vector Distribution For Climate Change Adaptation In Kenya
(University of Nairobi, 2015)This study employed Ecological Niche Modeling (ENM), a technique that encompasses a suite of tools that relate known occurrences of species or phenomena to raster geographic information system layers that summarize ... -
Ecological Risk Assessment For Invasiveness, Response To Weeds And Ratooning Ability Of New Rice For Africa (Nerica) And Oryza Sativa Rice Varieties In Central Kenya
(University of Nairobi, 2014)Rice belongs to the family Poaceae and genus Oryza. Poaceae, on a world scale, is classified among the prominent families that are likely to produce invasive weed species hence a challenge on biosafety. Through modern ... -
Ecological studies on the tropical warehouse moth Ephestia Cautella (walker) (Lepidoptera : Pyralidae) and its predator mite Blattisocius Tarsalis (berlese) (Acari : Ascidae) in relation to effective warehouse integrated pest management programmes
(University of Nairobi, 1996)The abundance and economic importance 01 the moth Ephestia cautella (Walker) on maize grain was established through field surveys in central storage depots and detailed evaluations carried out in selected warehouses. ... -
Ecological study of herpetofauna in the Arabuko-Sokoke and Gede coastal forests of Kenya
(School of Biological Sciences, University of Nairobi, 1993)The herpetofauna of the two coastal forests (Arabuko- Sokoke and Gede) of Kenya, were sampled using three methods namely: Quadrat, Time constraint and Opportunistic methods. During the study, 2,201 individuals were ... -
An Ecological Study Of The Zooplankton In Lake George In Uganda
(University of London,Department of Zoology, 1971)Lake George is a shallow tropical lake containing a high standing crop of phytoplankton, in which blue-green algae predominate. Although the temperature of the surface water may rise as high as 350C during the day, the ... -
Ecological, Behavioural and Biochemical Traits of African Meliponine Bee Species (Apidae:meliponini) in a Biodiverse Hotspot of Kenya.
(University of Nairobi, 2017)This study was carried out with the aim of assessing habitat ecology and behavioral mechanisms critical for the survival of African meliponine bee species. This will help to fully decipher how they effectively communicate ... -
The ecology and pest status of some grani vorous birds in eastern Machakos district, Kenya
(University of NairobiFaculty of Science. University of Nairobi, 1982)Birds of the family Columbidae (Doves) and the family Ploceidae (Weaver-birds and Sparrows) are known to destroy cereal crops in many parts of Kenya. About KSH. 30 million worth of grain are lost to birds annually in ... -
The Ecology And Reproductive Biology Of The Lizard, Agama Atrico11is Smith 1849
(University of Nairobi,, 1976)Except for Harris' (1964) detailed investigation, on a single species of agamid lizard, Agama agama, studies on other agamids of the genus Agama in Africa have been confined either to taxonomic descriptions or to ... -
Ecology Of Acacia-Dwelling Ant Populations 1m East Africa
(University of NairobiCollege of Biological and Physical Sciences, 1976)This thesis describes a detailed study of ant populations inhabiting the swollen thorns of Acacia drepano1obium, a widespread thornbush in East Africa. The study focused primarily on populations of Crematogaster mimosae, ... -
The ecology of bustards in Nairobi National Park and the Kitengela conservation area, Kenya.
(School of Biological Sciences, University of Nairobi, 1988)Field research was done on various aspects of bustard ecology in Nairobi National Park and the Kitengela Conservation Area, between October 1986 and September 1987. The Kori (Ardeotis kori), White-bellied (Eupodotis s ...