Browsing Journal Articles by Title
Now showing items 121-140 of 874
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The Challenges Posed by Ipomoea kituensis and the Grass-Weed Interaction in a reseeded semi-arid environment in Kenya
(2016)Rehabilitation of denuded patches using perennial grasses has been used extensively in semi-arid environments of Kenya. However, weeds continue to pose an enormous challenge to the success of many rehabilitation programmes. ... -
Changing land use systems and socio-economic roles of vegetation in semi-arid Africa The case of the Afar and Tigrai of Ethiopia
(2000)In recent years, increased populations and the accompanying human demands have led to changes in land-use in the drylands of sub-Saharan Africa, in turn resulting in the reduction of vegetation and other natural resources. ... -
Characterization of Clays from selected sites for Refractory Application
(2019-11)Clay is a stony or earthy mineral aggregate composed of fine-grained minerals, which are plastic at appropriate water content and hardens up when fired. Clay soils have various mineral groups such as kaolinite, smectites, ... -
Characterization of Immunogenic Soluble Crude Proteins from Biomphalaria Pfeifferi Against Schistosoma mansoni
(2020-06-30)Schistosomiasis is the second most prevalent tropical disease in the world after malaria. Chemotherapy and molluscicides which are the main methods of control do not give lasting protection as the disease continues to ... -
Charge extracting buffer layers in bulkheterojunction organic solar cell
(Springer, 2015-08-27)The effects of boron and nitrogen-doped carbon nanotubes (B- or N-CNTs) have been investigated as photoactive and charge extracting layer in bulk heterojunction organic solar cell composed of poly(3-hexylthiophene) [P3HT] ... -
Chemical Composition And Biological Activity Of Extracts From Conyza Species
(iosrjournals.org, 2023-04)The genus Conyza (Asteraceae) comprises about 50 species and found in the tropical and warm regions. Extracts from Conyza species have numerous pharmacological applications. The aim of this study was review the chemical ... -
Chemical composition and repellency of Nigella sativa L. seed essential oil against Anopheles gambiae sensu stricto
(2020-04)Malaria which is caused by the Plasmodium parasite and transmitted through bites of infected female Anopheles mosquitoes is an important public health concern in Africa. Insect repellents are commercially available but ... -
Chemical Composition of Essential Oils from Ocimum Kilimandscharicum: A Review.
(IOSR Journal of Applied Chemistry (IOSR-JAC).Volume 15, Issue 11 Ser. I (November 2022), PP 05-11, 2022)Traditional medicine plays an important role in disease especially in developing countries. The essential oils of Ocimum species showed anti-oxidant, anti-inflammatory, anti-cancer and insecticidal activities. Essential ... -
Chemical composition, dry matter intake (DMI)
(2016)Fresh Acacia tortilis pods were mixed with low quality native grass hay to form the following five rations: 100% hay (T1), 25% pods and 75% hay (T2), 50% pods and 50% hay (T3), 75% pods and 25% hay (T4) and 100% pods ... -
Chemical Constituents of Essential Oils from Three Eucalyptus Species Acclimatized in Ethiopia and Kenya
(2014-11)Essential oils obtained by steam distillation of three Eucalyptus species acclimatized in Ethiopia and Kenya were analyzed using GC and GC-MS. The species were Eucalyptus citriodora, Eucalyptus globulus and Eucalyptus ... -
Chemical Constituents of Ocimum Kilimandscharicum Guerke Acclimatized In Kakamega Forest, Kenya
(Chemical Society of Ethiopia, 2019-10)The genus Ocimum belongs to the Lamiaceae family and is made of almost 200 species of herbs and shrubs which have potential medicinal properties. The species are native to the tropical and temperate climate zones around ... -
The choice of grass species to combat desertification in semi-arid Kenyan rangelands is greatly influenced by their forage value for livestock
(2013)Livestock production is the main source of livelihood in the arid and semi-arid lands in Africa. However, desertification characterized by vegetation degradation and soil erosion is a major threat to the sustainability of ... -
Climate Change and Immovable Cultural Heritage in Kenya: Impact and Response Strategies
(Springer, 2021)Immovable cultural heritages represent past human life that links the past, present, and future landscapes. Protection and preservation of authenticity and integrity of these built heritages is a major challenge in the ... -
Climate change and tourism adaptation: Literature review
(2015)Purpose – This paper reviews published English literature on tourism adaptation to climate change. Climate change remains a challenge in the 21st centaury and beyond. Climate sensitive industries like tourism are vulnerable ... -
Climate Change Impact Representation In Kenya's News Media
(2014)Today the questions of adaptation and mitigation to climate change risks are arching their way out to community platforms in an interpretive flow through various communication modes that shape public opinion and mediate ... -
Climate change policy-making process in Kenya: deliberative inclusionary processes in play
(International Journal of Climate Change Strategies and Management, 2017)Abstract Purpose – There is a growing recognition in Kenya that citizens should play a role in contributing to policy formation. This is a shift from a conventional approach where the elite in society or selected few would ... -
Climate change-perceived impacts, risks, vulnerability, and response strategies: A case study of Mombasa coastal tourism, Kenya
(2015)Climate change policies are advancing, at least rhetorically. These policies are made through complex processes of interactions among stakeholders whose opinions are shaped by historical experiences, beliefs, awareness ... -
Climate factors as determinants of food security in semi-arid Kenya: a longitudinal analysis
(2016)Food security in the arid and semi-arid areas (ASALs) of Kenya is linked to climate and socio-economic factors. This study was conducted in two ASAL counties of Kenya, Kajiado and Makueni, inhabited by pastoral communities. ... -
Climate factors as determinants of food security in semi-arid Kenya: a longitudinal analysis
(2016)Food security in the arid and semi-arid areas (ASALs) of Kenya is linked to climate and socio-economic factors. This study was conducted in two ASAL counties of Kenya, Kajiado and Makueni, inhabited by pastoral communities. ... -
Climate Variability, Land-Use, Pastoral and Agropastoral Livelihoods in Arid and Semi-Arid Areas of Kenya
(2021-05)Kenya's arid and semi-arid lands (ASALs) are experiencing climate variability, especially rainfall and temperature alterations. Rainfall is recognised as one of the critical parameters influencing land-use dynamics and ...