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Vegetation resources and their economic importance in Isiolo County, Kenya,

Papers in refereed journals
Oliver Vivian Wasonga, John Musembi, Kennedy Rotich, Ibrahim Jarso, Caroline King-Okumu
IIED, London. http://pubs.iied.org/10141IIED ISBN: 978-1-78431-247-3.

Temporal relationship between climate variability, Prosopis juliflora invasion and livestock numbers in the drylands of Magadi, Kenya.

Papers in refereed journals
Kyuma R. K., Wahome R. G., Kinama J. M. and V. O. Wasonga.
African Journal of Environmental Science and Technology (Accepted for publication in April, 2016)

Value chain analysis of grass seeds in the drylands of Baringo County, Kenya: A producers’ perspective.

Papers in refereed journals
Klerkson Okomboli Lugusa, Oliver Vivian Wasonga, Yazan Ahmed Elhadi and Todd Andrew Crane
. Pastoralism: Research, Policy and Practice (2016) 6:6

Moving in and out of poverty: A case of the Somali and Turkana of northern Kenya.

Papers in refereed journals
Watete Wekondi Patrick, Kogi-Makau Wambui, Njoka Jesse Theuri, MacOpiyo Laban Adero, Oliver Vivian Wasonga
Nomadic Peoples, Volume 20, Number 1, 2016, pp. 123-140(18)

Determinants of perceptions of climate change and adaptation among Turkana pastoralists in northwestern Kenya.

Papers in refereed journals
Francis Opiyo, Oliver V. Wasonga, Moses M. Nyangito, Stephen M. Mureithi, Joy Obando and Richard Munang
Climate and Development, 2015. http://dx.doi.org/10.1080/17565529.2015.1034231

Abundance and Diversity of Native Forage Species in Pastoral Karamoja Sub-Region, Uganda.

Papers in refereed journals
Egeru, Anthony; Wasonga, Oliver; MacOpiyo, Laban; Mburu John; Majaliwa, Mwanjalolo G.J.
. African Study Monographs 36(4): 261-296.

Characterization of enclosure management regimes and factors influencing their choice among agropastoralists in North-Western Kenya

Papers in refereed journals
John Ndung’u Wairore, Stephen Mwangi Mureithi, Oliver Vivian Wasonga and Gert Nyberg
Pastoralism: Research, Policy and Practice (2015) 5:14 DOI 10.1186/s13570-015-0036-7

Economic contribution of the pastoral meat trade in Isiolo Town, Kenya.

Papers in refereed journals
Benard Chira Gituku, Oliver Vivian Wasonga and Robinson Kinuthia Ngugi
IIED Country Report. IIED, London. http://pubs.iied.org/10124IIED ISBN: 978-1-78431-153-7.

Enclosing the commons: reasons for the adoption and adaptation of enclosures in the arid and semi-arid rangelands of Chepareria, Kenya

Papers in refereed journals
John N. Wairore, Stephen M. Mureithi, Oliver V. Wasonga and Gert Nyberg
SpringerPlus (2015) 4:595 DOI 10.1186/s40064-015-1390-

Determinants of forage availability: An integration of remote sensing and traditional ecological knowledge in Karamoja Sub-region, Uganda.

Papers in refereed journals
Anthony Egeru, Oliver Wasonga, Laban MacOpiyo, John Mburu, Elhadi Yazan, Mwanjalolo G.J. Majaliwa and Yazidhi Bamutaze.
Pastoralism: Research, Policy and Practice. MS: 5111428512265417 (Accepted for publication in September, 2015).

Benefits derived from rehabilitating a degraded semi-arid rangeland in private enclosures in west Pokot County, Kenya.

Papers in refereed journals
John N. Wairore, Stephen M. Mureithi, Oliver V. Wasonga, Gert Nyberg
Land Degradation & Development. DOI: 10.1002/ldr.2420.

Drought Adaptation and Coping Strategies among the Turkana Pastoralists of Northern Kenya.

Papers in refereed journals
Francis Opiyo, Oliver V. Wasonga, Moses M. Nyangito, Janpeter Schilling, Richard Munang
International Journal of Disaster Risk Science. DOI 10.1007/s13753-015-0063-4..

Economic contribution of the camel milk trade in Isiolo Town, Kenya.

Papers in refereed journals
Margaret Waithera Mwaura, Oliver Vivian Wasonga, Yazan A M Elhadi and Robinson Kinuthia Ngugi
IIED Country Report. IIED, London. http://pubs.iied.org/10123IIED ISBN: 978-1-78431-152-0.

Piospheric influence on forage species composition & abundance in semi-arid Karamoja sub-region, Uganda.

Papers in refereed journals
Anthony Egeru, Oliver Wasonga, Laban MacOpiyo, John Mburu, John Tabuti, Majaliwa Mwanjalolo.
Pastoralism: Research, Policy and Practice. 5:12 DOI 10.1186/s13570-015-0032-y.

Global occurrence of anti-infectives in contaminated surface waters: Impact of income inequality between countries.

Papers in refereed journals
Pedro A. Segura, Hideshige Takada, José A. Corre, Karim El Saadi, Tatsuya Koike, SiawOnwona-Agyeman, John Ofosu-Anime, Edward Benjamin Sabi, Oliver V.Wasonga, Joseph M.Mghalu, Antonio Manuel dos Santos Junior, Brent Newman, Steven Weerts, Viviane Yargeau.
Environmental International. 80 (2015) 89-97.

Economic and nutritional contribution of camel milk in Northern Kenya

Papers in refereed journals
Yazan A M Elhadi and Oliver V. Wasonga
IIED Country Report. IIED, London. http://pubs.iied.org/10125IIED ISBN: 978-1-78431-154-4.

Economic contribution of the pastoral meat trade in Isiolo County, Kenya: Findings from Oldonyiro and Garbatulla Towns

Papers in refereed journals
Marcelino Napao Iruata, Oliver V Wasonga and Robinson Kinuthia Ngugi
IIED Country Report. IIED, London. http://pubs.iied.org/10126IIED ISBN: 978-1-78431-155-1.

Land Conversion Dynamics in the Borana Rangelands of Southern Ethiopia: An Integrated Assessment Using Remote Sensing Techniques and Field Survey Data.

Papers in refereed journals
Michael Elias, Oliver Hensel, Uwe Richter , Christian Hülsebusch, Brigitte Kaufmann and Oliver Wasonga.
Environments 2015, 2, 1-31; doi:10.3390/environments2010001. ISSN 2076-3298

Trend Analysis of Rainfall and Temperature Variability in Arid Environment of Turkana, Kenya.

Papers in refereed journals
Francis Opiyo, Moses Nyangito, Oliver Vivian Wasonga and Phillip Omondi,
Environmental Research Journal, 8: 30-43.http://medwelljournals.com/abstract/?doi=erj.2014.30.43

Assessment of Shoreline Changes in the Period 1969-2010 in Watamu area, Kenya

Papers in refereed journals
Fikir Alemayehu, Onwonga Richard, Mwangi James Kinyanjui & Wasonga Oliver V.
. Global Journal of Science Frontier Research: H Environment & Earth Science. Volume 14 Issue 6 Version 1.0 Year 2014. Online ISSN: 2249-4626 & Print ISSN: 0975-5896. https://globaljournals.org/GJSFR_Volume14/3-Assessment-of-Shoreline-Changes.pdf

Measuring household vulnerability to climate-induced stresses in pastoral rangelands of Kenya: Implications for resilience programming.

Papers in refereed journals
Francis Opiyo, Oliver V. Wasonga and Moses Nyangito
Pastoralism: Research, Policy and Practice 2014, 4:10http://www.pastoralismjournal.com/content/4/1/10

Assessing the spatio-temporal climate variability in semi-Arid Karamoja sub-region in north eastern Uganda.

Papers in refereed journals
Egeru Anthony, Osaliya Richard, MacOpiyo Laban, Mburu John, Wasonga Oliver Barasa Bernard Said Mohammed, Aleper Daniel and Majaliwa Mwanjalolo Gilbert Jackson.
International Journal of Environmental Studies DOI: 10.1080/00207233.2014.919729. http://dx.doi.org/10.1080/00207233.2014.919729

. Impact of enclosure management on soil properties and microbial biomass in a restored semi-arid rangeland, Kenya.

Papers in refereed journals
Stephen M Mureithi, Ann Verdoodt, Charles KK Gachene, Jesse T Njoka, Vivian O Wasonga, Stefaan De Neve, Elizabeth Meyerhoff, Eric Van Ranst.
Journal of Arid Land, doi: 10.1007/s40333-014-0065-x.

Assessing Socio-Ecological Change Dynamics using Local Knowledge in the semi-arid lowlands of Baringo District, Kenya

Papers in refereed journals
Wasonga, V.O., D.M. Nyariki and R.K. Ngugi.
Environmental Research Journal, 5 (1): 11 -17.

Factors Influencing Transient Poverty among Agro-pastoralists Semi-Arid areas of Kenya.

Papers in refereed journals
Yazan A.M. Elhadi, D.M. Nyariki, V.O. Wasonga and W.N. Ekaya
African Crop Science Journal, Vol. 20, Issue Supplement s1, pp. 113 - 122 ISSN 1021-9730/2012

Resource-based Conflicts in Drought-prone North-western Kenya: The Drivers and Mitigation Mechanisms.

Papers in refereed journals
Opiyo, F.E.O., Wasonga, V.O. JanPeter, S. Mureithi, SM
Wudpecker Journal of Agricultural Research, 1(11): 442 – 453.

Spatio-temporal dynamics of forage and land cover changes in Karamoja sub-region, Uganda.

Papers in refereed journals
Anthony Egeru, Oliver Wasonga, Joseph Kyagulanyi, GJ Mwanjalolo Majaliwa, Laban MacOpiyo and John Mburu.
Pastoralism: Research, Policy and Practice, 4:6 http://www.pastoralismjournal.com/content/4/1/6

Livelihoods under Climate Variability and Change: An analysis of the Adaptive capacity of Rural Poor to water Scarcity in Kenya’s Drylands.

Papers in refereed journals
Mwang’ombe, A.W., W.N. Ekaya, W.M. Muiru, V.O. Wasonga, W.N. Mnene, P. Monga’re and S.W. Chege
. Journal of Environmental Science and Technology, ISSN 1994-7887/DOI: 3923/JEST.2011.

Effect of Balanites glabra canopy cover on grass production, organic matter and soil moisture in a southern Kenya rangeland

Papers in refereed journals
Wasonga, V.O., R.K. Ngugi, D.M. Nyariki, G. Kironchi and T.J. Njoka
African Journal for Range and Forage Science, 20 (3): 265–270.

Traditional Range Condition and Trend Assessment: Lessons from the Pokot and Il Chamus

Papers in refereed journals
Wasonga, V.O., R.K. Ngugi and A. Kitalyi.
Pastoralists of Kenya Anthropologist, 5 (2): 79-87

Vegetation resources and their economic importance in Isiolo County, Kenya

Papers in refereed journals
Oliver Vivian Wasonga, John Musembi, Kennedy Rotich, Ibrahim Jarso, Caroline King-Okumu
IIED, London. http://pubs.iied.org/10141IIED ISBN: 978-1-78431-247-3 (In press)

Community-Based Natural Resource Management. In: Ochola, W., P. Sanginga and I. Bekelo (Eds.).

Book Chapter
Wasonga, V.O., D. Kambewa and N. Ngece.
Managing Natural Resources for Development in Africa: A Resource Book. University of Nairobi Press. idl-bnc.idrc.ca/dspace/bitstream/10625/45873/2/132361.pdf‎

Ecological, socio-economic and livelihood differentiation of Kenya’s Lembus forest proximate communities: The case of the Tugen and Lembus. In Bhasin V. and Susanne C. 2010.

Book Chapter
Nyariki, D.M., Wasonga, V.O. and J.K. Mworia.
Anthropology Today: Trends and Scope of Human Ecology. Special Vol. No. 5: 147-156. Kamla-RaJ Enterprises, India.

The Economic Contribution of Copyright-Based Industries in Kenya.

Book Chapter
Nyariki Dickson, Wasonga Oliver, Otieno Calleb, Ogadho Eric, Ikutwa Charles, Kithinji Julius
The World Intellectual Property Organization. Geneva, Switzerland. http://www.wipo.int/export/sites/www/copyright/en/performance/pdf/econ_contribution_cr_ke.pdf

A Comparative Study of Commercial Consumptive and Non-Consumptive Utilization Options for Wildlife Conservation Strategies in Kenya.

Book Chapter
Nyariki, D. M., P. I.D. Kinyua and V. O. Wasonga
International Fund for Animal Welfare (IFAW).

Indigenous Techniques of Assessing and Monitoring Range Resources in East Africa.

Book Chapter
Nyariki, D.M., A. Kitalyi, V.O. Wasonga, I. Issae, E. Kyagaba and M. Lugenja.
. Occasional Paper No.2. Nairobi: World Agroforestry Centre. www.worldagroforestry.org/downloads/publications/PDFs/OP13865.PDF‎

Direct use values of climate

Technical Reports
King-Okumu, C, Wasonga, OV, Jarso, I, and Salah, YMS .

Pastoralism pays: new evidence from the Horn of Africa

Technical Reports
Caroline King-Okumu, Oliver Vivian Wasonga and Eshetu Yimer
IIED Briefing. Issue date, October 2015. http://pubs.iied.org/17312IIED.

Climate risk management and adaptations options for pastoral and agro-pastoral systems in East and Central Africa

Technical Reports
Wasonga V.O.
Technical Report, International for Livestock Research Institute (ILRI)

Livestock Husbandry and Rangeland Management: A feasibility study report for the proposed wildlife conservation project in Northern Kenya funded by the French Development Agency (AFD), the French Fund for the Environment (FFEM) and the Government of Kenya, Ministry of Forestry and Wildlife

Technical Reports
Wasonga V.O.

Helping Pastoralists to Help Themselves. Summary Technical Report on Pastoralists Basket Fund Program (PBFP), CARE International in Tanzania.

Technical Reports
Wasonga V.O., F.O. Juma, E. Massawe

Medicinal Plants of Kajiado: Knowledge, Attitude and Practice on exploitation and conservation of medicinal plants in Mashuru and Namanga Divisions of Kajiado District.

Technical Reports
Wasonga V.O., G. Rukunga, C. Ikutwa

The Lembus forest ecosystem: A socioeconomic baseline survey. Technical report, The world conservation union (IUCN).

Technical Reports
Nyariki, D. M., V. O. Wasonga and J. K. Mworia

Indigenous knowledge and natural resource management systems of the Lembus forest community. Technical report, The world conservation union (IUCN).

Technical Reports
Nyariki, D. M., V. O. Wasonga and J. K. Mworia.

Effects of Balanites glabra Canopy Cover on Soil Organic Matter, Sopil Moisture and Selected Grass Species Production in Isinya, Kajiado, Kenya.

Theses
Wasonga V. Oliver.
. Master’s Thesis University of Nairobi.

Linkages Between Land –Use, Land Degradation and Poverty in Semi-arid Rangelands of Kenya: The Case of Baringo District.

Theses
Wasonga V. Oliver
PhD Thesis University of Nairobi.

i. United Nations Development Programme (UNDP). 2014. Understanding Community Resilience: Findings from Community-Based Resilience Analysis (CoBRA) Assessments: Marsabit, Turkana and Kajiado counties, Kenya and Karamoja sub-region, Uganda. United Nations Development Programme, Drylands Development Centre. Nairobi.

Invited Review Of Books
Oliver Wasonga
http://www.disasterriskreduction.net/fileadmin/user_upload/drought/docs/CoBRA%20Assessments%20Report.pdf

Using Value Chain Approach to Reveal the Total Economic Value of Pastoral Livestock in Isiolo County, Kenya. Presented at the GrassNet SummerSchool 2013, University of Kassel in Witzenhausen, Germany (December 15-18, 2013)

Invited Lectures
Oliver Wasonga

Ethnobotany of wild medicinal plants among the Maasai pastoralists in Kajiado District, Kenya”. Presented at the GrassNet SummerSchool 2012, University of Kassel in Witzenhausen, Germany (18 – 29 September, 2012)

Invited Lectures
Wasonga V.O., G. Rukunga, D. Kurao, S. Chebii, I. Wairimu, S. Mathenge and C. Ikutwa.

“Understanding Adaptation to Climate Change in Pastoral Systems from the context of Resilience: An example from Turkana Pastoralists of North Kenya”. Presented at the GrassNet SummerSchool 2012, University of Kassel in Witzenhausen, Germany (18 - 29 September, 2012)

Invited Lectures
Wasonga V.O. and Kaufmann B.

“Managing the Challenges and Emerging Opportunities of Climate Variability and Change in Kenya’s Drylands”. Presented at the GrassNet SummerSchool 2011, University of Kassel in Witzenhausen, Germany (26 September - 4 October, 2011)

Invited Lectures
Wasonga V.O. and Kaufmann B.

Introduction to healthy rangelands. A paper presented at the National stakeholder workshop to validate the report on "Investing in healthy rangelands in a devolved Kenya" held at Boma-Inn Hotel South-C on 28-29 July 2015. Sponsor: IUCN

Conference paper
Oliver Wasonga

Using value Chain approach to estimate economic contribution of pastoralism to Isiolo County presented at a Workshop on the profile and dynamics of the natural resource based economy of Isiolo County organized by International Institute for Environment and Development (IIED) and Resource Advocacy Programme (RAP) and County Government of Isiolo on 6th August 2015. Sponsor: IIED

Conference paper
Wasonga V.O.

Economic and nutritional contribution of camel milk in Northern Kenya: A paper presented at Workshop on the profile and dynamics of the natural resource based economy of Isiolo County organized by International Institute for Environment and Development (IIED) and Resource Advocacy Programme (RAP) and County Government of Isiolo on 6th August 2015. Sponsor: IIED

Conference paper
iii. Yazan A M Elhadi and Oliver V. Wasonga.

Expansion of crop cultivation and the land cover changes in the Borana Rangelands of Southern Ethiopia. Poster presented at the Tropentag 2013 Conference at University of Hohenheim, Institute for Plant Production and Agro-ecology of the Tropics and Subtropics, Stuttgart, Germany (17 – 19 September, 2013).

Conference paper
iv. Michael Elias, Uwe Richte, Oliver Hensel, Christian Hülsebusch, Brigitte Kaufmann and Oliver Wasonga

Contributions of wild edible plants to diet of pastoral areas of Kajiado County, Kenya. Poster presented at the Tropentag 2013 Conference at University of Hohenheim, Institute for Plant Production and Agro-ecology of the Tropics and Subtropics, Stuttgart, Germany (17 – 19 September, 2013).

Conference paper
Mwanaima Rhajab, Oliver Wasonga, Christian Hülsebusch, Brigitte Kaufmnann

. Contribution of wild medicinal plants to health care of pastoral livelihoods in Kajiado County, Kenya. Poster presented at the Tropentag 2013 Conference at University of Hohenheim, Institute for Plant Production and Agro-ecology of the Tropics and Subtropics, Stuttgart, Germany (17 – 19 September, 2013).

Conference paper
Jie Zhang, Oliver Wasonga, Christian Hülsebusch, Brigitte Kaufmnann

“Adapting or Coping? An analysis of Pastoralists’ Responses to Extreme Climatic Events in Northwestern Kenya”. Poster presented at the Tropentag 2012 Conference at the University of Gottingen, Germany (18 - 21September, 2012)

Conference paper
Wasonga V.O., Opiyo F.E, Nyangito M., Hueselbusch C.

“Pastoral Vulnerability to Climate Change in Kenya: The Undermined Adaptive Strategies”. Presented at the conference on Environmental concerns of Climate Change with respect to Sustainable Livelihoods in Eastern Africa organized by the Eastern Africa Environmental Network (EAEN), AMREF International Training Centre (24-25 May, 2008)

Conference paper
Wasonga V.O., D.M. Nyariki and Amwata D.

“Assessing the efficacy of enclosures in ecological restoration of degraded rangelands in northern Kenya”. Poster presented at the Sixth Student Conference on Conservation Science organized by British Ecological Society, Centre for Applied Biodiversity Science and Conservation International at the University of Cambridge (15-21 March, 2006)

Conference paper
Wasonga V.O., Ngugi K. and D.M. Nyariki.

Traditional Range Condition and Trend Assessment: Lessons from the Pokot and Il Chamus Pastoralists of Kenya. Presented at the workshop on Documentation of indigenous techniques of assessing and monitoring range resource organized by Regional Land Management Unit (RELMA at ICRAF) at Novotel Mout Meru Hotel, Arusha (20-23 February, 2002)

Conference paper
Wasonga V.O.

Differences of Soil Properties between Planned and Unplanned Grazing Sites in Semi-Arid Pastoral Rangelands of Northern Kenya

Papers in refereed journals
Lutta Alphayo, Dr. Oliver V. Wasonga,Dr. Wilfred O. Odadi,Robinson K. Ngugi

Effects of holistic grazing management on milk production, weight gain, and visitation to grazing areas by livestock and wildlife in Laikipia County, Kenya

Papers in refereed journals
Priscilla K. Lalampaa, Oliver V. Wasonga, Daniel I. Rubenstein and Jesse T. Njoka

Community perceptions on spatio-temporal land use changes in the Amboseli ecosystem, southern Kenya

Papers in refereed journals
Kennedy Sakimba Kimiti, Oliver Vivian Wasonga, David Western and Judith Syombua Mbau