KIBABII UNIVERSITY 

Faculty of Science

PUBLICATIONS

FS staff disseminate their research in working publications and papers that contribute to public knowledge and Science innovation. This list features recent faculty publications, including journal articles, books, book chapters, conferences, edited volumes, research papers, and public testimony.

2025

  1. Mutonyi, J., Masayi, N. N., Majengo, C. O., Okello, V. S., Konje, M. M., & Makokha, J. W. (2025). Using Digital Tools to Assess Soil Variables in Selected Counties in North Rift, Kenya. AgroEnvironmental Sustainability, 3(1), 22-30. 
  2. Wafula, N. K., & Apima, S. B. (2025). Mathematical modeling of ecological consequences of climate-induced phenological shifts on predator-prey dynamics. Asian Journal of Probability and Statistics, 27(4), 28-43.
  3. Vuyiya Esther and Konje Martha (2025).  The Role of Nyayo Tea Belt as A Buffer Zone in Sustainable Conservation of Kakamega Forest, Kenya. Iconic Research cnd Engineering IRE Journals, Volume 8 Issue 7, ISSN: 2456-8880, 537-545
  4. Martha M. Konje (2025). Use of Remote Sensing (MODIS) Data and Rainfall to Estimate Forage Production in Arid Rangelands. Iconic Research cnd Engineering IRE Journals, Volume 8 Issue 9, ISSN: 2456-8880, 187-193
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2024

  1. Sirengo John Luca (2024). Mathematical Modelling of Prevention Measures of HIV and Aids in Kenya. IRE (Iconic Research and Engineering) Journal, Vol 8 no. 5,.124 – 133
  2. Sirengo John Luca (2024). Application of Survival Analysis Techniques Using Product Limit Method (PL) to Support Breast Cancer Survivalists. IRE (Iconic Research and Engineering) Journal, Vol 8 no. 5,.528 – 536
  3. Sirengo John Luca (2024). An Enhanced Methodology for Estimating Disease Infection Rates in Plants Using an Equal Group Size. IRE (Iconic Research and Engineering) Journal, Vol 8 no. 6
  4. Wafula P. W., Aywa S. and Sirengo J. L. (2024). Equivalent Characterizations of Isometrically Bounded Operators with Circular Numerical Ranges. IRE journal Vol. 8 Issue 1. 315 – 321
  5. Lubokha S. K., Munir and Sirengo J. L (2024). Accounting Output Innovation Approaches and Financial Sustainability of Tier One Banks in Kenya. IRE journal Vol 6 Issue 1. 363 – 369
  6. John Wanjala Makokha, Nelly Nambande Masayi, Peter Barasa , Peters Anselemo Ikoha , Martha Muthoni Konje , Jonathan Mutonyi , Victor Samuel Okello , Alice Nambiro Wechuli , Collins Otieno Majengo , Geoffrey Wanjala Khamala (2024). Assessing the Long-Term Changes in Selected Meteorological Parameters over the North-Rift, Kenya: A Regional Climatology Perspective. Hydrology 2024, Vol. 12, No. 3, pp. 59-76 

2023

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2022

  1. Bwambok Eliud and Martha Konje (2022). Uses, Threats and Conservation of Plant Species in Kisere Catchment Area of Kakamega Forest, Kenya. International Journal of Science and Research, Vol. 11, (2), February 2022, 85-91. Paper ID: SR211123165445;  DOI: 10.21275/SR211123165445
  2. Sirengo L. J (2022). Efficient Method for Estimating the presence of a Viral Infectious Disease and How to Control its Rapid Spread in a Population. IRE (Iconic Research and Engineering) Journal, Vol 6 no. 6,.61 – 66
  3. Amwayi, N. E., Sirengo L.J. and Kati, R. O. (2022). Markovian Modeling of Students Performance by Cohorts in Secondary Schools. IRE (Iconic Research and Engineering) Journal, Vol 6 no. 5,.134 – 140
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2021

  1. Konje Martha, Muoria Paul, and Wabuyele Emily. (2021). Spatial-temporal variation of biomass production by shrubs in the Succulent Karoo, South Africa. Journal of Biodiversity and Environmental Sciences, Vol.18,(4), 82-92
  2. Konje Martha, Muoria Paul, Wabuyele Emily, Griffin Neil and Vetter Susanne. (2021). Rainfall and Soils, Not Grazing Intensity,Determine the Composition and Productivity of Annual Plants in a Bio-diverse Arid Winter Rainfall Region. Journal of Natural Sciences Research iiste.org, Vol.12, (10), 35-48
  3. Konje Martha, Muoria Paul, Wabuyele Emily and Vetter Susanne. (2021). Spatio-Temporal Variation in Forage Production in a Key Resource Area in the Succulent Karoo Rangeland, South Africa. Researchjournali’s Journal of Ecology, 8 (1), 1-21
  4. Bwambok Eliud and Martha Konje. (2021). Impact of Anthropogenic Activities on Tree Species Density and Stem Size Distribution in Kisere Fragment of the Kakamega Forest, Kenya. Researchjournali’s Journal of Forestry, 8(1), 1-16
  5. Wafula, N. K., Kwach, B. O., & Marani, V. N (2021). Mathematical Modelling and Optimal Controls for Controlling Pneumonia-HIV Co-Infection. International Journal of Innovative Research & Development, (IJIRD), 10(1): ISSN 2278 – 0211 (Online)

2020

  1. Sirengo L. J., Nyongesa L. K., Aywa O. S. (2020). Estimation of Multiple Traits in an M-Stage Group Testing Model. Applied Mathematical Sciences, 14, 2020, no. 5, 235 – 243
  2. Sirengo L. J., Nyongesa L. K., Aywa O. S. (2020). An M-Stage Hierarchical Group Testing model for Estimating Multiple Traits in a Population. IOSR Journal; of Mathematics. Volume 16 Issue 3, 29 – 34.
  3. Juma, G. S., Kituni, N., & Makokha, J. W. (2020). Advection and its applications: Trajectories over Busia County in Kenya. Climate Change, 6(22): 186-190.

2019

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2018

  1. Khatiebi,S., D. Siamba, Z. Onyando, C. Mulmbala, Konje. (2018). Heavy metal contamination at dumpsites at Eldoret, Kenya, in the Lake Victoria Basin. African Journal of Tropical Hydrobiology and Fisheries 16 (2), 93-97

2017

  1. Sirengo L., J. (2017). Towards a Cost Effective Method for Estimation Disease Infection Rates in Plants. International Journal of Advanced Scientific Research. Volume 2, No. 4, 70 – 80
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2016

  1. Koros, H., I Malombe, K Mwendwa, P Jeruto, H Agevi, M Konje. (2016a). Indigenous knowledge, uses and conservation of prunus africana (hook. f.) kalkman in Nandi forests. Journal of Natural Sciences Research, Volume 6, 2224-3186
  2. Koros, H., M. Konje, M. Wambua, C. Chesire, D. Odeny, I. Malombe. (2016b). Population status and conservation hotspots of Prunus Africana (Hook. F.) Kalkman in South Nandi Forest, Western Kenya. Researchjournali’s Journal of Forestry, Vol. 3,No. 4, 1-13
  3. Collins Otieno Majengo, John Robert Okalebo & Wilson Ng’etich (2016). Evaluating the Performance of Promising Commercial Bio-Fertilizers on Soybean Production in Bungoma County, Western Kenya Using One Farm One Replicate Design. International Journal of Engineering and Mathematical Sciences 9(1) 46–55. 
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2015

  1. Khatiebi Sandra, Siamba Donald Namasaka, Konje Martha Muthoni. (2015). Physicochemical characteristics and Biodegradability of organic fraction of solid wastes generated in Eldoret Municipality, Kenya. Res. J. Environ. Earth Sci., 7(3): 42-49
  2. Sirengo L., J. (2015). School Factors as Correlates of Secondary Students’ Achievement in Mathematics in Bungoma County, Kenya. International journal of educational investigations. ISSN: 2410 – 3446, Vol 2, No. 6

2014

  1. Vuyiya E, Konje M, Tsingalia H, Obiet L, Kigen C, Wamalwa S, Nyongesa Humphrey (2014). The impacts of human activities on tree species richness and diversity in Kakamega Forest, Western Kenya; International Journal of Biodiversity Conservation; Vol.6 (6) pg 428-435
  2. Lenard Obiet, Konje Martha, Muyekho Francis, Danyuku Esther, Kigen Charles, Wamalwa Stella,Kassilly Fredrick & Wabusya Moses (2014). Forage Availability and Quality for the Impala (Aepyceros Melampus (Brian)Kathryh) of Impala Sanctuary, Kenya. International Journal of Recent Scientific Research Vol. 5, pp 1896-1899 (Oct, 2014)
  3. Mutonyi J, Shibairo S.I, Chemining’wa G.N, Olubayo F.M, Keya N.C.O & Nyongesa,H.W,  Konje Martha.  (2014). Sugarcane Response To Liming, Manuring And Inorganic Fertilizers On Acid Acrisols In Western Kenya International Journal of Recent Scientific Research Vol. 5, Issue, 7,pp 1703 – 1707 (Sept, 2014)
  4. Wabusya W, Konje M, Nyongesa H, Tsingalia H and Wekesa R. (2014). Influence of land use practices on plant species richness and growth forms in Nzoia River Drainage Basin. Elixir Appl. Biology 68 (2014) 22197-22200
  5. Mutonyi, J., Shibairo S., Chemining’wa, G, Olubayo, F, Nyongesa, H, Konje, M.  (2014). Effects of N and K fertilization of sugarcane (Saccharum oficinarum) on acrisols in Western Kenya. Elixir Agriculture 67 (2014) pg 21669-21675
  6. Kigen C., P. Okoth, W. Shivoga, Z. Odera, D. Ochieno, Konje. (2014). Mapping of sorghum growing areas in Kenya. Ellixir International (Remote Sensing) 44: 1141- 1165
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2013

  1. Konje M., P. Okoth, H.Tsingalia, C. Kigen, H. Nyongesa, A. Njue and M. Wabusya (2013). Influence of Soil Properties and Environmental Variables on Plant Communities in Lake Naivasha Drainage Basin; Kenya. Elixir Pollution 64: 19215-19221
  2. Kigen C, P. Okoth , Konje, W. Shivoga, D. Ochieno, S. Wanjala, H. Agevi, Z. Onyando, B. Soy, P. Kisoyan, and S. Makindi (2013) . Modeling the Spatial Impact of Climate Change on Grevy’s Zebra (Equus grevyi) niche in Kenya. Elixir Remote sensing 62 (2013) 17608-17611
  3. Collins Majengo , John Okalebo, Didier Lesueur, Pieter Pypers, Wilson Ngetich, Edwin Mutegi and Mary Musyoki. (2013). Effectiveness of Promising Commercial Biofertilizers on Soybean Production in Bungoma County, Western Kenya. Joint proceedings of the 27th Soil Science Society of East Africa and the 6th African Soil Science Society on Transforming rural livelihoods in Africa: How can land and water management contribute to enhanced food security and address climate change adaptation and mitigation? 20-25 October 2013. Nakuru, Kenya. PP 1-6

  4. C.O. Majengo, J.R. Okalebo, W. Ng’etich, E. Mutegi, M.W. Mburu, M. Mutua. P. Pypers & D. Lesueur (2013). Effectiveness of Promising Commercial Biofertilizers on Soybean Production in Bungoma County, Western Kenya. AFRICAN CROP SCIENCE CONFERENCE PROCEEDINGS, VOL. 11. PP. 827 – 830

2012

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2011

  1. C.O. Majengo, J.R. Okalebo, , P. Pypers, W. Ng’etich, E. Mutegi, M.W. Mburu & M. Musyoki. (2011). Interactions between nitrogen and phosphorus microbial inoculants’ on soybean production in Bungoma, Kenya. AFRICAN CROP SCIENCE CONFERENCE PROCEEDINGS, VOL. 10. PP. 121 – 123.

  2. M.W. Mburu, J.R. Okalebo, D. Lesueur, P. Pypers, W. Ng’etich , E. Mutegi, S. Mutua , C. Majengo, R. Njoroge & O.A. Nekesa (2011). Evaluation of biological commercial inoculants on soybean production in Bungoma County, Kenya. AFRICAN CROP SCIENCE CONFERENCE PROCEEDINGS, VOL. 10. PP. 605 – 610.

2010

  1. Majengo, C, Okalebo, J.R, Ngetich, W. & Othieno, C.O. (2010). Farmer – managed trials for evaluation of Rhizatech and Legumefix in Bungoma district Kenya. In: Adipala, E., Tusiime, G. and Majaliwa Mwanjololo, J.G. (Eds.). Proceedings of the Second RUFORUM Biennial Regional Conference on Building Capacity for Food Security in Africa, held 20 – 24 September 2010, Entebbe, Uganda. RUFORUM Working Document Series No. 5.
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