Dr. Jacob Ochiewo, PhD, has 27 years of research in socioeconomics, natural resource policy analysis, development studies, governance analysis, value chain analyses, fish trade and marketing, ecosystem approach to Fisheries/Aquaculture, community training, livelihood analysis, preparation of policy briefs and science communication.

Research Network Link: Research Gate

• Odhiambo Ochiewo, J.,  Wakibia, J., Sakwa, M.M., Munyi, F., Owiti, H., Waiyaki, E. (2021). The effects of situation analysis practices on implementation of poverty alleviation mariculture projects in the coast of Kenya. Aquatic Ecosystem Health & Management, 24(1): 90–96. ISSN: 1463-4988 print / 1539-4077 online. DOI: 10.14321/aehm.024.01.13.
•  Ochiewo, J., Munyi, F., Waiyaki, E., Kimanga, F., Karani, N., Kamau, J., Mahongo, S. (2020). Livelihood impacts and adaptation in fishing practices as a response to recent climatic changes in the upwelling region under East African Coastal Current. WIO Journal of Marine Science, Special Issue 1/2020:89-109; https://dx.doi.org/10.4314./wiojms.si2020.1.
•  Odhiambo Ochiewo, J., Wakibia, J., Sakwa, M.M. (2020). Effects of monitoring and evaluation planning on implementation of poverty alleviation mariculture projects in the coast of Kenya. Marine Policy, 119:104050; https://doi.org/10.1016/j.marpol.2020.104050.
•  Horace Owiti Onyango, Jacob O. Ochiewo, Nicholas John Karani (2021). Socio-economic prospects and problems in under-exploited offshore marine fisheries: The case of Fish Aggregating Devices (FADs) in Kenya coastal fisheries. Regional Studies in Marine Science,Volume 44, 2021, 101706. ISSN 2352-4855. https://doi.org/10.1016/j.rsma.2021.101706.
•  Holeh, G.M., Ochiewo, J.O., Tsuma, S., Mirera, D.O. (2020). Impact of aquaculture and mariculture information dissemination to the local coastal communities in Kenya. Journal of Aquaculture Research & Development, 11:9. Doi:10.35248/2155-9546.20.10.608.
•  Kyule, D.N., Fonda, J.A., Ochiewo, J., Munguti, J.M., Obiero, K.O., Ogello, E. O., Opiyo, M.A., Abwao, J., Kendi, J. (2020). Perceived consumer preferences of fisheries products retailed in Kenyan markets. Bioscience Research, 17(4):2486-2496.
•  Fonda J. A., Obiero K., Munguti J., Oginga J. O., Kyule D., Opiyo M.A., Odote P.O., Yongo E., Owiti H, Ochiewo J. (2019). Market Linkages and Distribution Channels of Cultured, Captured and Imported Fish in Kenya. Aquaculture Studies, 19(1):57-67.
• Odhiambo Ochiewo, J., Wakibia, J., Sakwa, M.M. (2020). Effects of monitoring and evaluation planning on implementation of poverty alleviation mariculture projects in the coast of Kenya. Marine Policy, 119:104050; https://doi.org/10.1016/j.marpol.2020.104050.
• Holeh, G.M., Ochiewo, J.O., Tsuma, S., Mirera, D.O. (2020). Impact of aquaculture and mariculture information dissemination to the local coastal communities in Kenya. Journal of Aquaculture Research & Development, 11:9. Doi:10.35248/2155-9546.20.10.608.
• Kyule, D.N., Fonda, J.A., Ochiewo, J., Munguti, J.M., Obiero, K.O., Ogello, E. O., Opiyo, M.A., Abwao, J., Kendi, J. (2020). Perceived consumer preferences of fisheries products retailed in Kenyan markets. Bioscience Research, 17(4):2486-2496
• Odhiambo-Ochiewo J., Ruwa R.K., Osore M., Mutiso D., Mwaguni S. (2016) The Socioeconomic Causes and Impacts of Modification of Tana River Flow Regime. In: Diop S., Scheren P., Ferdinand Machiwa J. (eds) Estuaries: A Lifeline of Ecosystem Services in the Western Indian Ocean. Estuaries of the World. Springer, Cham. DOI: https://doi.org/10.1007/978-3-319-25370-1_8
• Mwaguni, S., Ruwa, R., & Odhiambo-Ochiewo, J., & Osore, M., (2016). Integrated Water Resources Management in a Changing Climate: The Implications of Anthropogenic Activities on the Tana and Athi/Sabaki Rivers Water System. In: Diop S., Scheren P., Ferdinand Machiwa J. (eds) Estuaries: A Lifeline of Ecosystem Services in the Western Indian Ocean. Estuaries of the World. Springer, Cham. 10.1007/978-3-319-25370-1_7.
• Ochiewo, J. (2015). Social and economic impacts of capture fisheries and mariculture. In UNEP-Nairobi Convention and WIOMSA. The Regional State of the Coast Report: Western Indian Ocean. UNEP and WIOMSA, Nairobi, Kenya, 546 pp.
• Fonda J. A., Obiero K., Munguti J., Oginga J. O., Kyule D., Opiyo M.A., Odote P.O ., Yongo E., Owiti H, Ochiewo J. Market Linkages and Distribution Channels of Cultured, Captured and Imported Fish in

  Kenya. Aquaculture Studies, 19(1), xx-xx

  http://doi.org/10.4194/2618-6381-v19_1_06 

Selected Peer Reviewed Publications

• Wanyonyi, I.N., Wamukota, A., Mesaki, S., Guissamulo, A.T., Ochiewo, J. (2016). Artisanal fisher migration patterns in coastal East Africa. Ocean & Coastal Management, 119:93-108.
•  Okuku, E.O., Bouillon, S., Ochiewo, J.O., Munyi, F., Kiteresi, L.I., Tole, M. (2015). The impacts of hydropower development on rural livelihood sustenance. International Journal of Water Resources Development, DOI:10.1080/07900627.2015.1056297.
• Mirera D.O., Ochiewo J., Munyi F. (2014). Social and economic implications of small-scale mud crab (Scylla serrata) aquaculture: the case of organized community groups. Aquaculture International, 22(2), DOI 10.1007/s10499-014-9762-x.
• Mirera D.O., Ochiewo J., Munyi F., Muriuki T. (2013). Heredity or traditional knowledge: Fishing tactics and dynamics of artisanal mangrove crab (Scylla serrata) fishery. Ocean & Coastal Management, 84:119-129.
• Wakibia J.G., Ochiewo J., Bolton J. J. (2011). Economic Analysis of Eucheumoid Algae farming in Kenya. Western Indian Ocean Journal of Marine Sciences, 10(1):195-212.
• Ochiewo J., de la-Torre Castro M., Muthama C., Munyi F., Nthuta J.M. (2010). Socio-economic Features of the Sea Cucumber Fishery in Southern Coast of Kenya. Ocean and Coastal Management, 53:192-202.
• Kairo J.G., Wanjiru C., Ochiewo J. (2009). Net Pay: Economic Analysis of a Replanted Mangrove Plantation in Kenya. Journal of Sustainable Forestry, 28:3,395- 414.
• Bosire J., Church J., Gang P., Kamula J., Kairo J., Mohammed A., Mommanyi A., Obura D., Ochiewo J., Ondari J. (2009). Kenya - State of the Coast Report: Towards the Integrated Management of Kenya’s Coastal and Marine Resources. Kenya – State Coast Report
• Okemwa G.M., Fulanda B., Kimani E.N., Ochiewo J. (2009). Exploitation of marine aquarium reef fisheries at the Kenyan Coast. In Hoorweg, J. and Muthiga, N. (eds.). Advances in Coastal Ecology -  People, processes and ecosystems in Kenya. African Studies Centre, African Studies Collection, vol. 20.
• Crona B. I., Ronnback P., Jiddawi N., Ochiewo J., Maghimbi S., Bandeira S. (2009). Murky water: Analyzing risk perception and stakeholder vulnerability related to sewage impacts in mangroves of East Africa. Global Environmental Change, 19: 227–239.
• Muthiga N., Ochiewo J., Kawaka J. (2007). Sea cucumbers in Kenya. In Conand C. and Muthiga N. (eds). Commercial sea cucumbers: A review for the Western Indian Ocean. WIOMSA Book Series No. 5. 67p.
• Ochiewo J. (2004). Changing fisheries practices and their socioeconomic implications in South Coast Kenya. Ocean & Coastal Management, 47: 389-408.
• Zorini O.L., Contini C., Jiddawi N., Ochiewo J., Shunula J., Cannicci S. (2004). Participatory appraisal for potential community-based mangrove management in East Africa. Wetlands Ecology and Management, 12:87-102.
• Ochiewo J. (2001). Socio-economic aspects of water management along the coast of Kenya. Hydrobiologia, 458: 267-273.
• Muthiga N. Ochiewo J.,  Kawaka J. (2010). Strengthening capacity to sustainably manage sea cucumber fisheries in the western Indian Ocean. SPC Beche-de-mer Information Bulletin #30 – March 2010.
• De la Torre-Castro M., Ochiewo J., Mbaga T. K., Pinault M., (2007). A framework for addressing socioeconomic and management aspects of sea cucumber resources n the Western Indian Ocean. SPC Beche-de-mer Information Bulletin # 25:22-28.
• Conand C., Muthiga N., Aumeerudy R., De La Torre Castro, Frouin P., Mgaya Y., Mirault E., Ochiewo J., Rasolofonirina R., (2006). A three-year project on sea cucumbers in the Southwestern Indian Ocean: National and regional analyses to improve management. SPC Beche-de-mer Information Bulletin # 23:11-15. 

 Selected Scientific Conference presentations

•  Owiti, H., Omunyang’oli, P., Awuor, M., Ochiewo, J., (2016). Socio-Economic Assessment of Artisanal Shrimp Fishery of the Malindi Ungwana Bay. VLIZ Marine Scientist Day. Vives Brugge, Belgium. 12th Feb, 2016. Book of Abstracts: VLIZ Special Publication 75, May 2016 (Oral presentation).
• Owiti, H., Ochiewo, J., Kimanga, F. and Angwenyi, R. (2015). Assessment of Biodiversity, Socio-Economic Status and Conservation Options at the Kisite- Mpunguti Marine Park in South Coast, Kenya. Book of Abstracts: 9th WIOMSA Symposium, 26th-30th October 2015, Wild Coast, South Africa (Poster presentation).
• Owiti, H., Ochiewo, J., Muriuki, T., (2010). "Bursting Beach": An Assessment of the SocioEconomic issues for the Development of a management plan for the Jommo Kenyatta Public Beach. The Second International Conference on Aquatic Resources of Kenya (ARK II), 16th – 19th November 2010, Naivasha, Kenya (Poster presentation).
• Moksnes, P., Mirera, D., Lokina, R., Ochiewo, , Mahudi, H., Jiddawi, N., Hamad, M., Troell, M. (2012). Small-scale, grow-out aquacultures of mud crabs Scylla serrata: A sustainable livelihood in East Africa. Final Report of Commissioned Research Project MASMA/ OR/2008/06.
• WIOMSA (2011). Migrant fishers and fishing in the Western Indian Ocean: Socio-economic dynamics and implications for management. Final Report of Commissioned Research Project MASMA/CR/2008/02.
• Ochiewo J. (2006). Harvesting and Sustainability of Marine Fisheries in Malindi-Ungwana Bay, Northern Kenya Coast. MARG I Contract No. 13/2004. Technical Report. Available at: http://wiomsa.org/publications.
• Ruwa, R.K., Kulmiye, A.J., Osore, M.K.W., Obura, D., Mutoro, D., Shunula, J.P., Ochiewo, J., Mwaguni, S., and Misana, S. (2004). Global International Waters Assessment (GIWA) – Sub-Regional Report: Somali Coastal Current Sub-region No.46. GIWA. 178p.
• Kazungu, J.M., Munga, D., Mwaguni, S.M. and Ochiewo, J. (2001). Kenya National Report. Phase I: Integrated problem analysis. GEF MSP Sub-Saharan Africa Project (GF/6010-0016). 70p.

BOOK CHAPTERS

• Kimani EN, Aura MC, Okemwa GM (eds.) (2018). The Status of Kenya Fisheries: Towards the sustainable exploitation of fisheries resources for food security and economic development. Kenya Marine and Fisheries Research Institute (KMFRI), Mombasa. 135 pp. (Lead author)
• KMFRI (2018). The RV Mtafiti: Marine Research towards Food Security and Economic Development in Kenya. (Eds) Njiru JN, Ruwa RK, Kimani EN, Ong’anda HO, Okemwa GM, Osore, MK. (Contributing Author)
  
  

PROCEDINGS

• Owiti, H., Ochiewo, J., Karani, N., & Abunge, C., (2018). Socio-economic prospects and problems in under-exploited offshore marine fisheries: The case of Fish Aggregating Devices (FADs) in Kenya coastal fisheries, UNESCO 5th Africa Engineering Week/3rd Africa EngineeringConference 25, Pride In, Mombasa – Kenya, 17-21 Sept 2018