Working Document Series Open Access Assessment of technical and economic feasibility of a portable aquaponic system P. C. Mnelemba · J. Valeta In Malawi, about 43.6% of total dietary protein consumed is from fish. However, rapid growth in population has led to harvest stagnation from Lake Malawi and other water bodies, leading to a decline in per capita consumption of fish from 1… RUF-39743 2018 CC BY 4.0 16 Jan 2023
Journal articles Open Access Effects of common carp (Cyprinus carpio Linnaeus, 1758) and the African catfish (Clarias gariepinus Burchell, 1822) on growth and reproductive performance of native tilapia Oreochromis shiranus (Boulenger, 1896) E.R. Chirwa · W.L. Jere · D. Kassam · A. Mtethiwa A study was conducted to assess the effects of common carp and the African catfish on growth and reproduction of the native tilapia Oreochromis shiranus in Malawi. The study was done from 1 May to 1 October 2018 at the National Aquaculture… RUF-39311 2019 CC BY 4.0 25 Jun 2021
Journal articles Open Access Effects of common carp and African catfish on plankton, periphyton, benthic macroinvertebrates in pond ecosystem E.R. Chirwa · W.L. Jere · D. Kassam · A. Mtethiwa As the common carp Cyprinus carpio and African catfish Clarias gariepinus affect biotic assemblages in aquatic ecosystems through their benthivory, their introduction has been considered an environmental concern. We compare the effects of … RUF-39310 2019 CC BY 4.0 25 Jun 2021
Journal articles Open Access The interactive effect of water temperature and salinity on yolk absorption rate, growth and larval survival of African catfish Clarias gariepinus (Burchell 1822) T. N. Gondwe, · D. Kassam · A.H.N. Mtethiwa · D. Sikawa +1 more The study was undertaken to determine the interactive effect of water temperature and salinity on yolk absorption rate, growth and survival of C. gariepinus larvae. Fertilized eggs, from broodstock reared for commercial seed production wer… RUF-39309 2015 CC BY 4.0 21 Jun 2021
Journal articles Open Access Interactive effect of Water temperature and nitrate fertilizers on growth, survival, and hatching success of eggs, embryos and larvae of African Catfish (Clarias gariepinus, Burchell 1822) W. Kadewa · D. Kassam · R. Ssenfuma · J. Valeta The study assessed the interactive effect of water temperature and nitrate fertilizers on growth, survival, and hatching success of eggs, embryos and larvae of African catfish Clarias gariepinus. 100 fertilized eggs of C. gariepinus were i… RUF-39306 2019 CC BY 4.0 21 Jun 2021
Theses & Dissertations Open Access Interactive effect of Water temperature, nitrate fertilizers and sewage effluent on development, growth and survival of embryos and early life stages of African Catfish Clarias Gariepinus ((BURCHELL 1822) R. Ssenfuma This study assessed the interactive effect of water temperature, nitrate fertilizers, and sewage effluent on development, growth and survival of embryos and early life stages of African catfish Clarias gariepinus. One hundred fertilized eg… RUF-39304 2020 CC BY 4.0 21 Jun 2021
Journal articles Open Access Occupational Health Risks and Hazards Among the Fisherfolk in Kampi Samaki, Lake Baringo, Kenya M. A. Mokua · F. W. Ngaruiya · G. M. Ogendi : Globally, almost 2.78 million deaths that occur annually are attributed to work-related health risks. Worldwide and, especially, in developing countries, about 20% to 50% of the workers are exposed to health risks. Fishing is an ancient … RUF-39228 2019 CC BY 4.0 1 Apr 2021
Working Document Series Open Access Factors influencing adoption of fish farming along the value chain in Kibwezi, Makueni County, Kenya J. G. Maina · S. M. Mukoya-Wangia · J.T. Njoka · P. S. Wesonga Communities in arid and semi-arid lands (ASALS) are confronted with a number of challenges that include limited livelihood choices, high livestock mortality during drought, poverty and malnutrition, among others. Although past studies have… RUF-38942 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access GIS mapping of informal fish trade routes used by traders between Malawi and neighbouring countries S. Chimatiro · Z. Dulanya · E. Kaunda · E. Mwathunga +1 more The study focused at mapping of informal fish routes used by fish traders in cross border fish trade between Malawi and neighboring countries. A route labelling method using questionnaire survey and observation as described by Ramming (200… RUF-38927 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access Application of neo-classical economic models in the analysis of potential viability and public valuation of fish solar dryer in Malawi F. Kapute · M. Limuwa · R. Makwinja · F. Njaya The Government of Malawi through research institutions is promoting adoption of climate smart technology in the fishing industry. The philosophy behind the technology is to reduce fish-post-harvest losses currently estimated at 40%, improv… RUF-38911 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access Harnessing public–private partnership to enhance practical-oriented graduate training in fisheries and aquaculture in Sub-Saharan Africa B. C. Abebe · A. D. Adamneh · P. Akoll · S. Drexler +12 more Higher Education Institutions (HEIs) are hubs of knowledge generation and innovations to drive community development towards achieving African Aspirations laid down in the AU Agenda 2063. Student centered learning, supported with experient… RUF-38857 2018 CC BY 4.0 9 Dec 2020
Working Document Series Open Access Using a molluscivorous cichlid from Lake Malawi as a biological control agent of schistosomiasis snail hosts W.W.L. Jere · H. Kanthenga · B. Lusangasi · C. Makuya +2 more A breeding program for Trematocranus placodon, a Lake Malawi molluscivorous cichlid that can be used as a biological control agent of snails in schostosomiasis control programs, was initiated at Lilongwe University of Agriculture and Natur… RUF-37087 2016 CC BY 4.0 19 Sep 2017
Working Document Series Open Access Recruitment pattern and abundance of the black tiger shrimp in Andoni River System, Niger Delta region of Nigeria A. Francis · G. W. Komi The investigation on the recruitment pattern and catch per unit effort of the black tiger shrimp(Penaeus monodon) was conducted over the period of twelve months in Andoni River System, Niger Delta region of Nigeria. Total weight, length of… RUF-37080 2016 CC BY 4.0 19 Sep 2017
TAGDev Resources Open Access Characterising wetland hydrology and water quality in streams and wetlands of Khalong-la-Lithunya, Lesotho M.B. Khoeli · B.F. Mapeshoane · M. Masopha · M. Mokhatla +3 more Wetland hydrology is important in understanding wetland systems, evaluating wetland functions and processes and assessing wetland conditions. Wetlands assimilate and transform pollutants and nutrients ensuring that quality water is dischar… RUF-36653 2017 CC BY 4.0 24 Mar 2017
Journal articles Open Access Structure and natural regeneration of mangroves in areas exposed to different agents of degradation in Kenya Alemayehu. Fikir · Chemuku Wekesa The structure and regeneration of mangrove forests in three coastal areas of Kenya were investigated in this study. This study assessed species diversity, species distribution and regeneration in the three sites. In Mida Creek mangroves, d… RUF-36604 2017 CC BY 4.0 15 Mar 2017
Journal articles Open Access Application of SWAT to assess the effects of land use change in the Murchison Bay catchment in Uganda Listowel Abugri Anaba · N. Banadda · Bernie Engel · N. Kiggundu +2 more The Soil and Water Assessment Tool (SWAT) is a versatile model presently used worldwide to evaluate water quality and hydrological concerns under varying land use and environmental conditions. In this study, SWAT was used to simulate strea… RUF-36556 2016 CC BY 4.0 3 Feb 2017
Journal articles Open Access Land use and land cover change in the coastal area of Watamu Mida Creek, Kenya Alemayehu. Fikir Watamu Mida creek coastal areas, mainly the shoreline, the mangroves and the general environment have been changing due to the impact of land use change, shoreline erosion, human population pressure and the expansion of tourism sector. Thi… RUF-36027 2016 CC BY 4.0 13 Sep 2016
Journal articles Open Access Diet and feeding habits of the small catfish, Clarias liocephalus in wetlands of Western Uganda L. Chapman · Jeremiah Kang’ombe · J. Yatuha Clarias liocephalus is an air-breathing catfish inhabiting wetland and river systems in East Africa. This catfish is in highdemandforsaleaslivebaitintheNileperchfisheryof Lake Victoria and equally important in the diet of local communitiesint… RUF-35593 2012 CC BY 4.0 7 Oct 2015
Working Document Series Open Access Effect of dietary protein, lipid and androgen (11 - ketotestosterone) levels on the progeny of Oreochromis andersonii (castelnau, 1861) broodstock J. Kang’ombe · D. Kassam · Alexander Shula Kefi The study on the effect of dietary protein, lipid and 11 – Ketotestosterone (11 – KT) levels on the progeny quality of Oreochromis andersonii broodstock will be conducted at National Aquaculture Research and Development Centre, Kitwe, Zamb… RUF-35051 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access The giant tiger prawn for sustainable livelihoods of fishers in the Niger Delta region, Nigeria A. I. Hart · P. Isubikalu · G. W. Komi The Giant Tiger Prawn (Penaeus monodon) is the largest marine shrimp that has lived in the Niger Delta coastal waters since 1999. Its marketability and high income as compared to the indigenous shrimp species has attracted a growing number… RUF-34248 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Predicting tef Yield using AquaCrop Model Under Various Water Availability Regimes: A case study in Northern Ethiopia Alemie Araya · S. Habtu · Haileselassie Hailay Tef is one of the most important food crops grown in northern Ethiopia. This region is severely affected by drought. To continue producing the crop, it is necessary improve efficient use of water by tef within the context of climate variab… RUF-32671 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Yield and Rain Water Use Efficiency of Maize (Zea mays L.) Under Selected Soil and Water Conservation Technologies in the Central Highlands of Kenya J. Diels · M.W. Mucheru-Muna · D.N. Mugendi · M. Mugwe +4 more A study was carried out to assess the effectiveness of mulching, mbili intercrop, minimum tillage and tied ridging on soil and water conservation and improvement of maize yields under a rainfed farming system. The treatments, in three repl… RUF-31975 2012 CC BY 4.0 13 May 2014
