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Prof. Julius Otieno Manyala (PhD)
Prof. Julius Otieno Manyala (PhD)
Jaramogi Oginga Odinga University of Science and Technology
Email confirmado em jooust.ac.ke - Página inicial
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Predicting uptake of aquaculture technologies among smallholder fish farmers in Kenya
KO Obiero, H Waidbacher, BO Nyawanda, JM Munguti, JO Manyala, ...
Aquaculture International 27, 1689-1707, 2019
972019
Characterization of the nutritional quality of amaranth leaf protein concentrates and suitability of fish meal replacement in Nile tilapia feeds
CC Ngugi, E Oyoo-Okoth, JO Manyala, K Fitzsimmons, A Kimotho
Aquaculture Reports 5, 62-69, 2017
742017
Bottom shrimp trawling impacts on species distribution and fishery dynamics; Ungwana Bay fishery Kenya before and after the 2006 trawl ban
C Munga, S Ndegwa, B Fulanda, J Manyala, E Kimani, J Ohtomi, ...
Fisheries Science 78, 209-219, 2012
702012
Species composition, distribution patterns and population structure of penaeid shrimps in Malindi-Ungwana Bay, Kenya, based on experimental bottom trawl surveys
CN Munga, S Mwangi, H Ong’anda, R Ruwa, J Manyala, JC Groeneveld, ...
Fisheries Research 147, 93-102, 2013
572013
Consumer perceptions and preferences of wild and farmed Nile Tilapia (Oreochromis niloticus L.) and African Catfish (Clarias gariepinus Burchell 1822) in urban centres in Kenya
K Kisii
International Journal 2 (7), 694-705, 2014
382014
Aquaculture extension services in Kenya
CC Ngugi, JO Manyala
Aquaculture Extension Services in Sub-Saharan Africa. Fisheries Department …, 2004
342004
Effect of stocking density on growth performance of monosex Nile Tilapia (Oreochromis niloticus) in the aquaponic system integrated with lettuce (Lactuca sativa)
JS Ani, JO Manyala, FO Masese, K Fitzsimmons
Aquaculture and Fisheries 7 (3), 328-335, 2022
332022
Survival of the Lake Victoria Rastrineobola argentea in a rapidly changing environment: Biotic and abiotic interactions
JO Manyala, JE Ojuok
Aquatic Ecosystem Health & Management 10 (4), 407-415, 2007
332007
Survival of the Lake Victoria Rastrineobola argentea in a rapidly changing environment: Biotic and abiotic interactions
JO Manyala, JE Ojuok
Aquatic Ecosystem Health & Management 10 (4), 407-415, 2007
332007
ASPECTS OF THE POPULATION DYNAMICS OF L. KLUNZINGRI IN KAWIT BAY
S DADZIE, J MANYALA, F ABOU SEEDO
SOCIETY FRANCOISE ICHTHYOLOGY 29 (1), 13-20, 2005
282005
Spatial variability in water quality and macroinvertebrate assemblages across a disturbance gradient in the Mara River Basin, Kenya
HL Lubanga, JO Manyala, A Sitati, MJ Yegon, FO Masese
Ecohydrology & Hydrobiology 21 (4), 718-730, 2021
272021
Biodiversity and sustainable management of a tropical wetland lake ecosystem: A case study of Lake Kanyaboli, Kenya
R Abila
272005
Analysis of constraints and opportunities in marine small-scale fisheries value chain: A multi-criteria decision approach
P Kimani, A Wamukota, JO Manyala, CM Mlewa
Ocean & coastal management 189, 105151, 2020
262020
Length–length relationship, length–weight relationship, gonadosomatic index, condition factor, size at maturity and fecundity of Parastromateus niger (Carangidae …
S Dadzie, F Abou‐Seedo, JO Manyala
Journal of Applied Ichthyology 24 (3), 334-336, 2008
262008
Gender roles and constraints in the aquaculture value chain in Western Kenya
CM Githukia, SS Drexler, KO Obiero, BO Nyawanda, J Achiengâ, ...
African Journal of Agricultural Research 16 (5), 732-745, 2020
252020
Assessment of national aquaculture policies and programmes in Kenya
CC Ngugi, JO Manyala
Nairobi, Sustainable Aquaculture Research Networks in Sub-Saharan Africa …, 2009
242009
Fish catch composition of artisanal and bottom trawl fisheries in Malindi-Ungwana Bay, Kenya: A cause for conflict
CN Munga, S Mwangi, H Ong’anda, R Ruwa, J Manyala, JC Groeneveld, ...
Western Indian Ocean Journal of Marine Science 13 (2), 177-188, 2014
232014
Scientific Note Length-Weight Relationships for Nine Deep Sea Fish Species off the Kenyan Coast
CM AURA, CN MUNGA, E KIMANI, JO MANYALA, S MUSA
Pan-American Journal of Aquatic Sciences, 2011
202011
Reconstructing Kenya’s total freshwater fisheries catches: 1950–2017
A Schubert, W Nyingi, P Tuda, CM Aura, K Obiero, J Manyala, IG Cowx, ...
Marine and Freshwater Research 73 (1), 57-70, 2021
172021
Application of phytoplankton community structure for ranking the major riverine catchments influencing the pollution status of a lake basin
CM Aura, C Odoli, CS Nyamweya, JM Njiru, S Musa, JB Miruka, MO Owili, ...
Lakes & Reservoirs: Research & Management 25 (1), 3-17, 2020
142020
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