Working Document Series Open Access Reducing pre-harvest aflatoxin content in groundnuts through soil water management R.L. Brandenburg · H. Chalwe · O.I. Lungu · A. Mutiti Mweetwa +2 more In Zambia, groundnut (Arachis hypogaea L.) is an important food and market crop. However, the crop has very limited access to international markets due to high concentrations of aflatoxins in kernels, which pose serious health concerns. Th… RUF-36403 2016 CC BY 4.0 26 Oct 2016
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 Uranium contamination in drinking water and foodstuffs in Bahi District, Central Tanzania B.E. Chove · A.K. Kaaya · E.M.M. Marwa · Z.J. Mziray A field survey was conducted in Bahi District in Central Tanzania to investigate uranium levels in drinking water and to evaluate its contamination in some foodstuffs as proxy to their safety for human and animal consumption. Regularly con… RUF-35962 2016 CC BY 4.0 24 Jun 2016
Journal articles Open Access Effects of catchment characteristics and climatic conditions on reservoir water capacity in a drought prone area Singa. Darwin Dodoma · M. Lowole · H. Mahoo · F.B.R. Rwehumbiza +1 more Crop production in semi-arid sub-Saharan Africa (SSA) is limited by over-reliance on erratic and inadequate rainfall, which often results in yield reduction or total crop failure. The effects of frequent droughts and dry spells need to be … RUF-35960 2016 CC BY 4.0 24 Jun 2016
Journal articles Open Access Membrane fouling control in low pressure membranes: a review on pretreatment techniques for fouling abatement N. Banadda · Samuel. Gyebi Arhin · Isa. Kabenge · Allan John. Komakech +1 more Conventional treatment techniques cannot meet the stringent modern water quality regulations emanating from the need to provide high quality drinking water. Therefore, a number of studies have suggested low pressure membrane filtration as … RUF-35956 2016 CC BY 4.0 24 Jun 2016
Theses & Dissertations Open Access Population genetics structure of wild and domesticated African catfish (Clarias gariepinus) in Victoria and Albertine Drainage Basins Daniel Ojiambo Wildlife capture fisheries have declined tremendously due to overfishing resulting from high demand. Aquaculture is a viable option to meet this demand. The African catfish (Clarias gariepinus) is one of the major species cultured in sever… RUF-35894 2015 CC BY 4.0 3 Feb 2016
Theses & Dissertations Open Access Suitability assessment and projected impact of climate change on rice yield in two Agro-ecological zones in southkivu, Democratic Republic of Congo Iragi Daniel Muhindo Rice is one of the five most important staple foods in South-Kivu, with high and increasing demand. The gap between the demand and supply has led to increasing importation of rice in the region. Changes in climate are likely to further inc… RUF-35848 2015 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Sediment and nutrient loading into Lake Kivu: A case study lwiro micro-catchment, Democratic Republic of Congo Jean Jacques Bagalwa Mashimango Lake Kivu is one of the deepest lakes in Africa with a maximum depth of 485 m and the most fragile and highly sensitive ecosystems in the African Great Lakes region in term of gaseous content. During the last decade, an increase in polluti… RUF-35846 2015 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Development of a decision support system for runoff water storage and irrigation – case study of Common bean at Ukwe, Malawi Singa. Darwin Dodoma Temporally and spatially poor rainfall distribution in sub-Saharan Africa (SSA) has had serious repercussions on crop production resulting in high negative consequences on food production and financial returns for farmers. Harvesting and s… RUF-35788 2015 CC BY 4.0 3 Dec 2015
Theses & Dissertations Open Access Enhancing water use efficiency of cassava and Sorghum based cropping systems in Eastern Uganda R. Mulebeke Water flow and storage within the root zone constrains water availability and use in rain-fed crop production, especially in the dryland cropping systems, where farmers are resource-strained and are not motivated to practice soil and water… RUF-35771 2011 CC BY 4.0 19 Nov 2015
Journal articles Open Access Shelf life of whole fresh lake Malawi tilapia (Oreochromis species – chambo) stored in ice F. Kapute · C. Kiiyukia · Jeremy Likongwe Lake Malawi Tilapia (chambo) fish species is widely consumed and forms the most important commercial fishery in Lake Malawi. However, as a highly perishable commodity, knowledge regarding how long fresh fish would remain in acceptable and … RUF-35618 2013 CC BY 4.0 7 Oct 2015
Theses & Dissertations Open Access Evaluation of watershed management in and around Echuya forest reserve, Western Uganda Richard McBond Asiimwe The study was about watershed management for preservation, conservation and sustainable use of resources. The study was carried out in Kabale and Kisoro districts in Kigezi highlands where population pressure on land is high due to a high … RUF-35546 2010 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Physio-chemical characteristics, isotopic signatures and hydrochemistry of two contrasting wetlands in two agro-ecological zones of Lesotho R. Mating Agricultural activities; grazing and cropping are thought to be the major contributors to non-point wetland pollution and other land degradation forms in the highlands and foothills while industrial effluents and domestic waste disposal ar… RUF-35534 2012 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Evaluation of rainwater harvesting techniques in Yatta district, Kenya Ibrahim Ahmed Ibrahim Abdelfadeel Climate change and/or variability are expected to affect water availability as well as the techniques of water harvesting. The main objective of this study was to investigate factors affecting adoption of rainwater harvesting techniques in… RUF-35369 2012 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Evaluation of physiological and agronomic responses as screening techniques for yield and water stress tolerance in wheat Cultivars In Tigray, Ethiopia Mohammed Mebrahtu Mossa Water stress is one of the major environmental factors that inhibits metabolic processes and constrains plant growth and crop productivity in the majority of agricultural fields. Wheat is generally grown on arid-agricultural fields and wat… RUF-35334 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Determination of crop coefficient of local barley cultivar in Tigray, Northern Ethiopia using drums Alemie Araya · Fantahun. Sisay Barley is a major staple food crop in the highlands of northern Ethiopia. The crop is used for preparing various types of traditional foods. Barley yield over the northern Ethiopia is severely affected mainly due to water stress. To minimi… RUF-35202 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Strategic repositioning of African indigenous vegetables in the Horticulture Sector M.O. Abukutsa-Onyango African indigenous vegetables that formed an integral part of African diets lost popularity with introduction of exotic crops including vegetables. With over half the populace living below the poverty line, there is need for paradigm shift… RUF-35134 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluation of the performance of Centre Pivot Sprinkler irrigation system and its effects on crop yield at Kagera, Tanzania E. Ernest · H. Mahoo · P. M. Reuben · S. Y. Thadei The study evaluated the performance of the centre pivot sprinkler irrigation system and its effects on sugar cane yield at Kagera Sugar Estate. The study also examined soil parameters that influence cane yield and the quality of irrigation… RUF-35105 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Effects of integrated water and nutrient management technologies on crop and labour productivity in Zimbabwe L. Mhaka · I. Nyagumbo Poor soils, erratic rainfall, frequent dry spells have been cited as the major threats to the development agricultural in Southern Africa. This experiment was designed to evaluate the benefits derived from post planting tied ridging, conse… RUF-35088 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Economic benefits associated with restoration of fish stocks of Lake Malombe in Malawi V. Kasulo · E. Kaunda · George Matiya · W. Singini This paper provides an overview of the research to be conducted in Lake Malombe in Malawi. The changes that have taken place in Lake Malombe fishery have had major social and economic consequences on communities around the lake. In Malawi,… RUF-35081 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Age, growth and reproductive biology of Lethrinops gossei burgess & axelrod– (Teleostei: cichlidae) in the south east arm of Lake Malawi M.C. Banda · G.Z. Kanyerere · E. Kaunda · F. Maguza-Tembo +1 more Life history traits of Lethrinops gossei from south east arm of Lake Malawi were studied. Validation of age was done by using analysis of marginal increment and length frequency distribution. It was assumed that a single opaque ring was la… RUF-35078 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Value chain analysis of Lake Chilwa fisheries in Malawi M. Hara · George Matiya · L.Y. Phiri The research will analyze value chain of Barbus paludinosus and Oreochromis shiranus chilwae from Lake Chilwa in Malawi. It will examine problems of asymmetric bargaining power in fish sales and information flow on the distribution of bene… RUF-35064 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