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Julius Otieno Manyala

Observed names: J. Manyala, J. O. Manyala, J.O. Manyala, Julius Manyala, Julius O. Manyala, Manyala J. Otieno, Manyala, J.O., Manyala, Julius, Manyala, Julius O., Otieno Manyala Julius
ORCID: 0000-0003-0248-6377
Observed ORCID: 0000-0003-0248-6377
OpenAlex ID: A5076570632
Predicting uptake of aquaculture technologies among smallholder fish farmers in Kenya
2019 · Kevin Odhiambo Obiero, Herwig Waidbacher, et al. · Aquaculture International · 156
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Effect of stocking density on growth performance of monosex Nile Tilapia (Oreochromis niloticus) in the aquaponic system integrated with lettuce (Lactuca sativa)
2021 · Josiah Sabwa Ani, Julius O. Manyala, et al. · Aquaculture and Fisheries · 74
Lake Victoria: Overview of research needs and the way forward
2023 · Chrispine Nyamweya, Ted J. Lawrence, et al. · Journal of Great Lakes Research · 68
Characterization of the nutritional quality of amaranth leaf protein concentrates and suitability of fish meal replacement in Nile tilapia feeds
2017 · Charles C. Ngugi, Elijah Oyoo-Okoth, et al. · Aquaculture Reports · 64
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Analysis of constraints and opportunities in marine small-scale fisheries value chain: A multi-criteria decision approach
2020 · Patrick Kimani, Andrew Wamukota, et al. · Ocean & Coastal Management · 56
Bottom shrimp trawling impacts on species distribution and fishery dynamics; Ungwana Bay fishery Kenya before and after the 2006 trawl ban
2012 · Cosmas Munga, Stephen Ndegwa, et al. · Fisheries Science · 39
Spatial variability in water quality and macroinvertebrate assemblages across a disturbance gradient in the Mara River Basin, Kenya
2021 · Henry L. Lubanga, Julius O. Manyala, et al. · Ecohydrology & Hydrobiology · 38
Species composition, distribution patterns and population structure of penaeid shrimps in Malindi-Ungwana Bay, Kenya, based on experimental bottom trawl surveys
2013 · Cosmas N. Munga, Stephen Mwangi, et al. · Fisheries Research · 36
Gender roles and constraints in the aquaculture value chain in Western Kenya
2020 · Cecilia Muthoni Githukia, Silke-Silvia Drexler, et al. · African Journal of Agricultural Research · 27
Factors influencing financial performance in marine small-scale fisheries value chain in Kenya
2020 · Patrick Kimani, Andrew Wamukota, et al. · Marine Policy · 25
Reconstructing Kenya’s total freshwater fisheries catches: 1950–2017
2021 · Aidan Schubert, Wanja Nyingi, et al. · Marine and Freshwater Research · 23
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Survival of the Lake Victoria Rastrineobola argentea in a rapidly changing environment: Biotic and abiotic interactions
2007 · J. O. Manyala, J. E. Ojuok · Aquatic Ecosystem Health & Management · 22
Length–length relationship, length–weight relationship, gonadosomatic index, condition factor, size at maturity and fecundity of Parastromateus niger (Carangidae) in Kuwaiti waters
2008 · S. Dadzie, F. Abou-Seedo, et al. · Journal of Applied Ichthyology · 20
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Actors’ perceptions of government performance in support of value chain development in marine small-scale fisheries in Kenya
2020 · Patrick Kimani, Andrew Wamukota, et al. · Marine Policy · 19
Assessment of the current trophic state and water quality of Lake Naivasha, Kenya using multivariate techniques
2022 · Edwine Yongo, Simon W. Agembe, et al. · Lakes & Reservoirs Science Policy and Management for Sustainable Use · 18
Application of phytoplankton community structure for ranking the major riverine catchments influencing the pollution status of a lake basin
2020 · Christopher Mulanda Aura, Cyprian Odoli, et al. · Lakes & Reservoirs Science Policy and Management for Sustainable Use · 17
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Aspects of the population dynamics of Liza klunzingeri in the Kuwait Bay
2005 · Dadzie, Stephen, Manyala, Julius O., et al. · Société Française d'Ichtyologie · 16
Diet of Silver Cyprinid, Rastrineobola argentea in Lake Victoria, Kenya.
2016 · E. Yongo, J.O. Manyala, et al. · International Journal of Advanced Research · 14
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Spatial variation in benthopelagic fish assemblage structure along coastal East Africa from recent bottom trawl surveys
2016 · Boaz Kaunda-Arara, Cosmas Munga, et al. · Regional Studies in Marine Science · 14
Effects of stocking density and water flow rate on performance, water quality and economic benefits of African catfish larvae (Clarias gariepinus Burchell, 1822) in the aquaponic system integrated with Azolla fern
2023 · James Mugo-Bundi, Julius O. Manyala, et al. · Aquaculture · 13
Effects of stocking density on the performance of lettuce ( Lactuca sativa ) in small‐scale lettuce‐Nile tilapia ( Oreochromis niloticus L.) aquaponic system
2022 · Josiah A. Sabwa, Julius O. Manyala, et al. · Aquaculture Fish and Fisheries · 12
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Growth performance and carcass composition of African catfish (Clarias gariepinus Burchell, 1822) fed on black soldier fly (Hermetia illucens Linnaeus, 1758) larvae based diets
2023 · Beven Mundida General, Otieno Manyala Julius, et al. · African Journal of Agricultural Research · 10
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A comparative study ofLabeo victorianus(Bouelenger, 1901) andOreochromis niloticus(Linnaeus, 1758) grown in polyculture systems
2018 · P. S. Orina, H. Charo‐Karisa, et al. · Lakes & Reservoirs Science Policy and Management for Sustainable Use · 10
Impact of a Kraft Pulp and Paper Mill Effluent on Phytoplankton and Macroinvertebrates in River Nzoia, Kenya
2010 · Salome Ojunga, Frank O. Masese, et al. · Water Quality Research Journal · 10
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Length-weight relationship, condition factor and gonadosomatic index ofLiza klunzingeri(Day, 1888) in Kuwait Bay: comparison of data from 1980s and 1990s
2002 · Fadwa Abou-Seedo, Manyala J. Otieno, et al. · Zoology in the Middle East · 10
Works count: 71
Citation count: 924
H-index: 16
I10-index: 25
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