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Dive into the research topics where Julius Manyala is active.

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Featured researches published by Julius Manyala.


Fisheries Science | 2012

Bottom shrimp trawling impacts on species distribution and fishery dynamics; Ungwana Bay fishery Kenya before and after the 2006 trawl ban

Cosmas N. Munga; Stephen Ndegwa; Bernerd Fulanda; Julius Manyala; Edward Kimani; Jun Ohtomi; Ann Vanreusel


Fisheries Research | 2013

Species composition, distribution patterns and population structure of penaeid shrimps in Malindi-Ungwana Bay, Kenya, based on experimental bottom trawl surveys

Cosmas N. Munga; Stephen N Mwangi; Harrison Ong’anda; Renison Ruwa; Julius Manyala; Johan C. Groeneveld; Edward Kimani; Ann Vanreusel


African Journal of Ecology | 2009

Some aspects of the biology of the stargazer mountain catfish, Amphilius uranoscopus (pfeffer); (Siluriformes: Amphiliidae) indigenous to Kenya streams

Charles C. Ngugi; Julius Manyala; Murithi Njiru; Chrisestom M. Mlewa


Lakes and Reservoirs: Research and Management | 2018

A comparative study of Labeo victorianus (Bouelenger, 1901) and Oreochromis niloticus (Linnaeus, 1758) grown in polyculture systems

Paul S. Orina; H. Charo-Karisa; Jonathan Mbonge Munguti; P. Boera; J. Abwao; D. Kyule; M. Opiyo; H. Marcial; Julius Manyala; Joseph Rasowo


Aquaculture Reports | 2017

Characterization of the nutritional quality of amaranth leaf protein concentrates and suitability of fish meal replacement in Nile tilapia feeds

Charles C. Ngugi; Elijah Oyoo-Okoth; Julius Manyala; Kevin Fitzsimmons; Ann Kimotho


Regional Studies in Marine Science | 2016

Spatial variation in benthopelagic fish assemblage structure along coastal East Africa from recent bottom trawl surveys

Boaz Kaunda-Arara; Cosmas Munga; Julius Manyala; Baraka Kuguru; Mathias Igulu; Muhaji Chande; Simon Kangwe; Stephen Mwakiti; Pascal Thoya; Emmanuel K. Mbaru; Renison Ruwa


Western Indian Ocean journal of marine science | 2014

Comparing fish bycatch of shrimp trawlers with catches made by artisanal fishers in Malindi-Ungwana Bay, Kenya

Cosmas N. Munga; Stephen N Mwangi; Harrison Ong'anda; Renison Ruwa; Julius Manyala; Johan C. Groeneveld; Edward Kimani; Ann Vanreusel


Archive | 2011

Length - Weight Relationships for Nine Deep Sea Fish Species off the Kenyan Coast

Christopher Mulanda Aura; Cosmas N. Munga; Edward Kimani; Julius Manyala; Safina Musa


Lakes and Reservoirs: Research and Management | 2010

Relation between phytoplankton composition and abundance and physicochemical characteristics of Chepkanga Dam, Eldoret, Kenya

Thomas K. Mkare; Julius Manyala; Christopher A. Mulanda; Emmanuel K. Mbaru


Lakes and Reservoirs: Research and Management | 2018

Growth, mortality and recruitment of silver cyprinid (Rastrineobola argentea) in the open waters of Lake Victoria, Kenya

Edwine Yongo; Julius Manyala; Simon Agembe

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Cosmas N. Munga

Technical University of Mombasa

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Edward Kimani

Edinburgh Napier University

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Cosmas Munga

Technical University of Mombasa

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