Working Document Series Open Access Farmer perceptions and knowledge on soil quality indicators and their use in soil fertility monitoring M. Karuhanga · S. Kiconco · J. K. Tumuhairwe Assessing soil quality is important so as to learn about the effects of management practices on soil function, create awareness and education, and provides a basis for evaluation of alternative practices. Soil quality often cannot be direc… RUF-35054 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Effect of pond plastic sheeting on water temperature and improved growth of fish in Dowa, Malawi L. Banda · E. Kaunda · P. Longwe · M. Matsimbe +2 more Temperature is one of the limiting constraints to increasing fish production in areas where temperatures are below 25oC. In most areas in Malawi temperatures are between 14 - 24oC (www.atlapedia.com/online/countries/malawi.htm), with the e… RUF-35052 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Influence of water quality parameters on Opsaridium microlepis catches in the Linthipe River in central Malawi D. Jamu · E. Kaunda · M. Limuwa · F. Maguza-Tembo +1 more The dwindling catches of the fish Opsaridium microlepis (locally called mpasa) from the Linthipe river in Malawi is of great concern. This is especially so given that the species has disappeared from some other river systems in Malawi. One… RUF-35045 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Willingness to pay for sound waste management in urban and peri-urban areas of the Lake Victoria crescent region Uganda L. Drake · W. Ekere · J. Mugisha Waste management constitutes one of the most crucial health and environmental problems facing local governments in Uganda. In the Lake Victoria crescent region, Kampala residents generate over 1,500 tons of waste per day. However, only a s… RUF-35041 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Characterisation of wild and cultured Oreochromis shiranus in Malawi I. Changadeya & Kosgey · D. Kassam · C.S. Lewuantai · A. Maluwa Oreochromis shiranus is a Malawi indigenous tilapia fish species. The aim of the study is to characterise the species phenotypically and genotypically within and between wild strains, unimproved and improved cultured strains. Phenotypic ch… RUF-35039 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Some aspects of reproductive biology of Oreochromis andersonii, Oreochromis machrochir and Oreochromis niloticus in ponds N. Chimba · C. Kancheya · Alexander Shula Kefi · K.G. Kubiriza +1 more The study on the reproductive biology of Oreochromis macrochir, O. niloticus and O. andersonii was carried out for sixty nine days in hapas. There were no significant (P > 0.05) differences in the number and weight of spawn incubated in… RUF-35035 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Maturity, age and growth of Oreochromis karongae (Teleostei: cichlidae) in Lake Malawi and Lake Malombe M. Banda · F. Kapute · E. Kaunda · Morioka. Sinshuke Size-at-50% maturity, age and growth, of Oreochromis (Nyasalapia) karongae (‘chambo’) in Lakes Malawi and Malombe were studied. Similar size-at-50% maturity and growth patterns were found for populations in Lake Malawi, but differences wer… RUF-35013 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Reproductive biology and cryopreservation of milt of Alestes baremoze (Joannis, 1835) of Lake Albert, Uganda M. Agaba · J.S. Balirwa · G.M. Kamugisa · D. Kassam +1 more This study is designed to generate knowledge relevant to the domestication, breeding, production and propagation of Alestes baremoze fish species in captivity through artificial spawning and in vitro fertilization. The study aims at broade… RUF-35007 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Fish farming for improved income and food security of small scale farmersan initiative of the RUFORUM Community Action Research Programme (CARP) J. Banda · L. Banda · B. Chirwa · T. Chitsulo +9 more African trypanosomiasis is a major disease in several countries in eastern Africa, Uganda inclusive. This study is examining the role of oligopeptidase B (opB) in virulence of the vector Trypanosoma brucei rhodesiense and T. brucei gambien… RUF-34999 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Population dynamics and impact of trawling on the population structure of four key-indicator fish species in the South East arm of Lake Malawi A.M.E. Bulirani · E. Kaunda A study to assess impact of trawling on fish species population and dynamics has been initiated in Lake Malawi. Population dynamics of four indicator species will be monitored and used as a proxy indicator of the status of fishery in Lake … RUF-34989 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Effect of land-use and climate change and variability on pollution loading in rivers of eastern Uganda and albertine rift P. Isubikalu · J.G.M. Majaliwa · P. Mukwaya Climate change and variability is one of the major environmental challenges that are likely to affect the livelihood of mankind for a very long time. At local scale, global climate change and variability trends can be amplified by Land use… RUF-34776 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Effect of nitrogen and phosphorous rates and sources on grain and forage yield of maize in river Nile State A. Abd Elrahman · Ezeldeen Ahmed The study was conducted at two locations, namely, Hudeiba Research Station Farm (moderately fertile soil) and Matera (poor soil) in River Nile State for two seasons between 20082010. The objective of the study was to investigate the effect… RUF-34716 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of land use and cover change on carbon stock and water quality of River Atari in Kapchorwa-Uganda F. Kansiime · J.G.M. Majaliwa · J. Sirike The objective of this study was to examine the trend in landuse/ cover change around Atari micro-catchment and determine the effect of these changes on carbon stock and Atari river water quality. An Earth Resources Data Analysis System (ER… RUF-34698 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Participatory natural resources management plan of canhane community, Massingir district, southern Mozambique Aniceto Chaúquem · Jao Chin · Natasha Ribeiro · Almeida. Sitoe We conducted a participatory mapping of natural resources and woody biomass estimation in Canhane Community, Massingir District in Mozambique. The aim of this study was to identify problems and opportunities for natural resources managemen… RUF-34684 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Effects of lime and phosphorus fertilizer on maize performance in acid soils of western Kenya J.R. Okalebo · V.S. Omenyo · C.O. Othieno Western Kenya continues to experience food insecurity due to increasing soil acidity and consequent phosphorus deficiencies with 0.9 million hectares of land having pH < 5.5. Liming is one of the interventions recommended to ameliorate … RUF-34675 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Improving smallholder irrigation performance in Malawi D. Kadyampakeni · C. Makwiza · H.R. Mloza-Banda The paper reports work aimed at improving livelihoods of smallholders by providing investors, policymakers and implementers with concrete knowledge and tools to make informed investment decisions on small-scale irrigation water management … RUF-34630 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Assessment of water quality in Mohale dam and associated rivers in Lesotho M. Johanne · R. Mating · A.O. Olaleye The study assessed Mohale dam and the associated rivers’ water quality over 5 years and comparing it to the water quality standards. It was believed that since this dam and the rivers occurred at elevations of between 2000m and 2900m above… RUF-34619 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Sediments and nutrients hotspot areas dynamics in selected micro-catchments of the Lake Tanganyika basin in Democratic Republic of Congo E. Azanga · F. Kansiime · J.G.M. Majaliwa This study aims at mapping changes in landuse in the Lake Tanganyika micro-catchments in the Democratic Republic of Congo. It also aimed at assessing the level of pollution of L. Tanganyika resulting from offloaded material and nutrients f… RUF-34566 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Yield response of different local and hybrid rice varieties to different ponding depths of water N. I. Kihupi · E. Mabvuto Nyirenda · A.K.P.R. Tarimo The combined increase in demand for food and scarcity of water worldwide necessitates saving water and increasing its productivity. This study determined varietal performance of four paddy cultivars - TXD306, TXD220, TXD88 and SUPA in term… RUF-34440 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Conserve and screen premium value indigenous plant biodiversity and products on women smallholder farming systems of East Africa L.S.M. Akundabweni · A. Namutebi Various interventions for promoting the premium value of indigenous plants (IPs) are being adopted to enhance their status in the food sub sector. The project aims to enhance women smallholder farmers’ capacity in target Lake Victoria Basi… RUF-34426 2010 CC BY 4.0 21 Aug 2015
Policy Briefs Open Access Research briefs for the Fourth Graduate Research Grants Call RUF-34334 2015 CC BY 4.0 19 Aug 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 Development of quality and affordable fish feed for small scale fish farmers in Malawi A. Kamangira · J. Kang’ombe · F. Kapute · V. Kasulo +5 more The project aims at contributing to increased fish production in rural communities of Mpamba in Nkhatabay district of Malawi. The aim is being achieved through developing quality affordable feed from locally available ingredients, evaluati… RUF-34191 2014 CC BY 4.0 14 Aug 2015
Working Document Series Open Access Local-scale governance: a review of the Zambian approach to fisheries management L. Haambiya · D. Kambewa · E. Kaunda · Jeremy Likongwe +1 more Despite recent policies for optimizing sustainable management of fisheries, their success has been modest in practice. Excessive fishing effort and use of unsustainable fishing methods attributed to common-property of and free access to th… RUF-34185 2014 CC BY 4.0 14 Aug 2015
Working Document Series Open Access Floristic characterisation of Lake Chilua and Chiuta plains as outbreak areas of red locust in Mozambique T. F. Chiconela · F.T.A. Tembe The red locust (Nomadacris septemfasciata Serville) is one of the most devastating migratory pests of crops in several African countries south of the equator. It originates from small areas characterised by a mosaic of tall and short grass… RUF-34103 2014 CC BY 4.0 13 Aug 2015