Browsing Journal Articles by Issue Date
Now showing items 41-60 of 888
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The Role of Moisture in the Successful Rehabilitation of Denuded Patches of a Semi-Arid Environment in Kenya
(2005)This study investigated the role of moisture in the successful rehabilitation of denuded patches in semi-arid lands of Kenya and the primary productivity of three perennial rangelands grasses namely Cenchrus ciliaris ... -
Evaluation of seasonal variation of MODIS derived leaf area index at two European deciduous broadleaf forest sites
(Elsevier, 2005-05)We present an evaluation of the operational MODIS Leaf Area Index (LAI) product over two temperate deciduous forests and focus on the seasonal variation. Two EUROFLUX beech (Fagus sylvatica) sites, Hesse, France and Sorø, ... -
INFLUENCE OF GRAZING BY LARGE MAMMALS ON THE SPIDER COMMUNITY OF A KENYAN SAVANNA BIOME
(Bio One complete, 2005-09)Pitfall trap and sweep net samples were taken over a period of fifteen months (2002– 2003) in the Kenya Long-term Exclosure Experiment (KLEE), in which the presence of domestic and wild herbivores have been independently ... -
Antiplasmodial Flavonoids from Erythrina sacleuxii
(Planta Med, 2006)The acetone extracts of the root bark and stem of Erythrina sacleuxii showed antiplasmodial activities against the chloroquine-sensitive (D6) and chloroquine-resistant (W2) strains of Plasmodium falciparum. Chromatographic ... -
Rural livelihoods in the arid and semi-arid environments of Kenya: Sustainable alternatives and challenges
(2008)The improvement of the welfare of inhabitants of arid and semi-arid lands, either through the enhancement of existing livelihoods or the promotion of alternative ones, and their potential constraints are discussed. Alternative ... -
Price response of herd off-take under market liberalization in a developing cattle sector: panel analysis applied to Kenya's ranching
(2008)The influence of price, in view of macro-economic policy change and a set of other factors, on herd off-take rates from ranches in Kenya over a period of 17 years was assessed. An AR(1) equation, based on Nerlove's classical ... -
Complexity Metrics for Measuring the Understandability and Maintainability of Business Process Models using Goal-Question-Metric (GQM)
(2008)Business Process Models (BPMs), often created using a modeling language such as UML activity diagrams, EventDriven Process Chains Markup Language (EPML) and Yet Another Workflow Language (YAWL), serve as a base for ... -
Range use and dynamics in the agropastoral system of southeastern Kenya
(2008)Occurrence of equilibrium and non equilibrium system dynamics in semiarid environments present serious management challenges. In these areas, resource management strategies are increasingly based on equilibrium rather than ... -
The impact of climate variability and extreme weather events on gender: Gender vulnerabilities and adaptation strategies for improved household food security in Malawi
(2009)The challenge to achieving household food security is a combination of biological, physical, and social factors. However, social factors, gender in particular, have received a cursory attention in adaptation studies. ... -
The Economic Contribution of Copyright-Based Industries in Kenya
(2009)The overall objective of the Kenyan study was to quantify the economic contribution of copyright and related rights-based industries in the country by estimating their value-added to GDP, share of national employment, and ... -
Effect of fermentation on protein digestibility of soybean and sweet potato blends: aspergillus oryzae vs. Lactobacillus plantarum
(2009)The improvement of nutritional quality of foods through fermentation has been practiced for long.Fermentation imparts desirable characteristics to products and makes them more utilizable nutrient sources than the unfermented ... -
Dryland Resource Management Technology Adoption in South–Eastern Kenya: Successes, Opportunities and Challenges
(2009)There are several challenges faced in the adoption of the Dryland Resource Management Technologies. An integrated system must consider the main drawbacks, in particular: policy conflicts, (ii) poor understanding of the ... -
Land-Use Change and Livestock Production Challenges in an Integrated System: The Masai-Mara Ecosystem, Kenya
(2009)Participatory rural appraisal techniques and a survey of 100 households were used to evaluate livestock production, and pastoral development of the Maasai in Mara. It was observed that patterns of land-use have principally ... -
A New Sterol Diglycoside from Conyza floribunda
(The South African Journal of Chemistry, 2009)Chemical investigation of CH2Cl2 and MeOH extracts of Conyza floribunda have led to the isolation of (24S)-ethylcholesta-5, 22E, 25-trien-3-O-glucosyl (1” 4’)-rhamnoside (1), (24S)-ethylcholesta-5,25-dien-3-O- -glucoside ... -
Economics evaluation of relative profitability in small hold dairy farms in western Kenya
(Academic Journals, 2009-05)The development and implementation of farm policies requires the general understanding of the farmers’ response to the availed technology. Where farmers have similar resource endowment, generalization of policies would ... -
Triterpenes of Commiphora holtziana oleo-gum resin
(NRC Research Press, 2009-07)Chemical analysis of the acetone extract of Commiphoraholtziana gum resin has led to the isolation of triterpenes characterized as methyl 3-oxo-1α,19α,28-trihydroxyurs-12-en-24-oate (1), methyl 3β-acetyl-2α,11α,19α,28-te ...