Browsing Journal Articles (BE) by Author "Nyariki, Dickson M."
Now showing items 1-20 of 71
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Assessing Socio-Ecological Change Dynamics Using Local Knowledge in the Semi-Arid Lowlands of Baringo District, Kenya
Nyariki, Dickson M.; Wasonga, V. O.; Ngugi, R. K. (2011) -
Assessing the potential of camel milk as a livelihood option in the face of climatic and environmental changes in drylands of Kenya
Nyariki, Dickson M.; Yazan Elhadi, A.M.; Wasonga, V.O. (2012)In drylands of Kenya, the adverse effects of climate variability and change has directly weakened the pastoral production system and made it less effective as a livelihood option. This has med most pastoral household food ... -
The challenges of rehabilitating denuded patches of a semi-arid environment in Kenya
Nyariki, Dickson M.; Mganga, K.Z.; Nyangito, M.M.; Musimba, N.K.R.; Mwangombe, A.W.; Ekaya, W.N.; Muiru, W.M.; Daniele, C.; Francis, J.; von Kaufmann, R.; Verhagen, J. (2010)Land degradation is a major problem in the semi-arid environments of Sub-Saharan Africa. Fighting land degradation is essential to ensure the sustainable and long-term productivity of the habited semiarid lands. In Kenya, ... -
The Challenges Posed by Ipomoea kituensis and the Grass-Weed Interaction in a reseeded semi-arid environment in Kenya
Nyariki, Dickson M.; Mganga, K. Z.; Musimba, N.K.R.; Nyangito, M. M.; Mwang’ombe, A.W.; Ekaya, W. N.; Muiru, W. M. (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
Nyariki, Dickson M.; Diress, T. A.; Farah, K. O. (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. ... -
Chemical composition, dry matter intake (DMI)
Nyariki, Dickson M. (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 ... -
The choice of grass species to combat desertification in semi-arid Kenyan rangelands is greatly influenced by their forage value for livestock
Nyariki, Dickson M.; Mganga, K. Z.; Musimba, N. K. R.; Nyangito, M. M.; Mwang'ombe, A. W. (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 factors as determinants of food security in semi-arid Kenya: a longitudinal analysis
Nyariki, Dickson M.; Amwata, Dorothy A.; Musimba, N.R.K (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
Amwata, Dorothy A.; Nyariki, Dickson M. (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 ... -
Combining Sustainable Land Management Technologies to Combat Land Degradation and Improve Rural
Nyariki, Dickson M.; Mganga, K.Z.; Musimba, N.K. (2015)Drylands occupy more than 80 % of Kenya’s total land mass and contribute immensely to the national economy and society through agriculture, livestock production, tourism, and wild product harvesting. Dryland ecosystems are ... -
Common Range, Different Tribes: Explaining Resource Use, Management and Productivity among the Akamba, Orma and Somali in the former Eastern Statelands of Kenya
Nyariki, Dickson M.; Abeele, Jan Van den (2004)This paper describes the major livelihood activities of three ethnic communities who use in common the former Kenyan Eastern Statelands. It also looks at how the livelihoods and the range could be improved while maintaining ... -
Competition indices of three perennial grasses used to rehabilitate degraded semi-arid rangelands in Kenya
Nyariki, Dickson M.; Mganga, K. Z.; Musimba, N. K. R. (2015)Rangeland degradation is one of the most serious environmental challenges in arid and semiarid environments in Africa. Grass reseeding technology, using indigenous perennial grass species has a great potential for restoring ... -
Conceptualisation and measurement challenges in modelling pastorilists’ risk and vulnerability instigated by droughts in the group ranches of Kenya
Nyariki, Dickson M.; Obudho, E; Njoka, J; Weke, P; Farah, K (2014)This on-going study is assessing and modeling vulnerability and risks faced by pastoral communities in the dry areas of Lakipia in Kenya. Preliminary results from participatory rural appraisal indicate that poverty is ... -
Constraints of rehabilitating degraded semi-arid lands of Kenya using indigenous perennial grasses
Nyariki, Dickson M.; Mganga, K.Z.; Musimba, N.K.R.; Nyangito, M.M.; Mwang’ombe, A.W.; Ekaya, W.N.; Muiru, W.M. (2010)Land degradation which among others include loss of vegetation is rampant in Kenya, destroying both the fragile arid and semiarid lands and the non-arid areas. Efforts to rehabilitate semiarid areas by re-vegetation has ... -
Desert Margins Program In Kenya: Integrated Socio-Economics Analysis Of Benchmark Sites
Nyariki, Dickson M.; Maina, I. N.; Muturi, G. M.; Mulatya, J.; Ego, W.; Muthoka, P.; Kariuki, J.; Esilaba, A. O.; Cheruiyot, H. K. (2004)This paper presents socio-economic analysis of the Desert Margins Programme (DMP) benchmark sites in Kajiado and Makueni Districts in Southern rangelands, Marsabit District (Kalacha, Kargi, Korr and Ngurunit) and Turkana ... -
The Desert Margins Programme Approaches in Upscaling Best-Bet Technologies in Arid and Semi-arid Lands in Kenya
Nyariki, Dickson M.; Esilaba, A.O.; Okoti, M.; Keya, G.A.; Miriti, J.M.; Kigomo, J.N.; Olukoye, G.; Wekesa, L.; Ego, W.; Muturi, G.M. (2011)Kenya’s land surface is primarily arid and AQ1 semi-aridlands(ASALs)whichaccountfor84%ofthe totallandarea.TheDesertMarginsProgramme(DMP) inKenyahasmadesomecontributiontounderstanding which technology options have potential ... -
Determinants and rates of land degradation: Application of stationary time-series model to data from a semi-arid environment in Kenya
Mganga, K. Z.; Nyariki, Dickson M.; Musimba, N. K. R.; Amwata, Dorothy A. (Springer, 2018-02)The causes of land degradation in the African drylands have been shown to vary. Some researchers consider climate to be the major contributor to degradation, with anthropogenic factors playing a minor role. Others reverse ... -
Determinants of Household Vulnerability to Food Insecurity: A Case Study of Semi-Arid Districts in Malawi
Nyariki, Dickson M.; Kakota T.; Mkwambisi D.; Kogi-Makau W. (2013)This paper looks at household vulnerability to food insecurity and its determinants in two semiarid districts in Malawi. A randomly selected sample of 200 households was interviewed. The descriptive statistics revealed ... -
Development of and Policy on the Range and Pastoral Industry with Special Reference to Kenya
Nyariki, Dickson M.; Musimba, N. K. R. (2003)Rangeland” or simply “range” is, by definition, “inferior” land by reason of physical and socio-economic limitations such as low rainfall, high temperatures, poor soils, and long distances from market outlets and supply ... -
Different land use types in the semi-arid rangelands of Kenya influence soil properties
Nyariki, Dickson M.; Mganga, K. Z.; Musimba, N. K. R.; Nyangito, M. M.; Ekaya, W. N.; Muiru, W. M.; Mwang’ombe, A. W. (2011)Rangelands in semi-arid Kenya have recently witnessed extensive land use changes. These changes can mainly be attributed to increased livestock populations and the response of the increased human population to both local ...