Relevant bibliographies by topics / Wetlands Victoria Kanyapella Basin

Academic literature on the topic 'Wetlands Victoria Kanyapella Basin'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Wetlands Victoria Kanyapella Basin"

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Mwanja, Wilson Waiswa, Anne Akol, Laila Abubaker, Matthew Mwanja, Scot Batman Msuku, and Fred Bugenyi. "Status and impact of rural aquaculture practice on Lake Victoria basin wetlands." African Journal of Ecology 45, no. 2 (October 26, 2006): 165–74. http://dx.doi.org/10.1111/j.1365-2028.2006.00691.x.

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Henry, Leonia, and Elijah Omutange. "Fractionation of Trace Metals between Catchment Soils and Associated Wetland Sediments of Selected Wetlands of Lake Victoria, East Africa." Journal of Wetlands Ecology 3 (February 11, 2010): 69–78. http://dx.doi.org/10.3126/jowe.v3i0.2222.

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The aim of this work was to study the trace metals transfer between soil aquifers and the immediate sediments of the selected wetlands of Lake Victoria. The study covered five trace metals Pb, Cd, Cu, Zn and Mn as these are associated with vehicular traffic and with the combustion of fossil fuels which could both be significant sources of pollution within the wetlands of Lake Victoria basin. Three types of trace metal analyses from various locations of Katonga, Simiyu and Nyando catchments of Lake Victoria were performed: total concentrations, the concentrations in the non-residual fraction and the concentration in the exchangeable fraction. The soil characteristics: texture, pH and organic matter contents, were studied in relation to Cation Exchange Capacity (CEC) to assess the rate of movement of the metals between the soil and the wetland sediments. Eventually, the potential retention and leaching capacity of trace metals within the catchment soils and its possible impact on the composition of the receiving sediments of the wetlands were studied. The comparison between Nyando and Simiyu wetlands showed high variations in the soil characteristics and hence in leaching capacity of the studied metals. In general most areas in Nyando wetland required some measures to improve the CEC of the soil for higher agricultural productivity. Key Words: Trace metals; fractionation; CEC; leaching capacity; soil properties DOI: 10.3126/jowe.v3i0.2222 Journal of Wetlands Ecology, (2009) Vol. 3, pp 68-76
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Kassenga, G. R. "A descriptive assessment of the wetlands of the Lake Victoria basin in Tanzania." Resources, Conservation and Recycling 20, no. 2 (June 1997): 127–41. http://dx.doi.org/10.1016/s0921-3449(97)00014-1.

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Mayo, Aloyce W., Marwa Muraza, and Joel Norbert. "Modelling nitrogen transformation and removal in mara river basin wetlands upstream of lake Victoria." Physics and Chemistry of the Earth, Parts A/B/C 105 (June 2018): 136–46. http://dx.doi.org/10.1016/j.pce.2018.03.005.

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Mule, Shadrack, Charles Nguta, Geoffrey Kamau, Gilbert Ongera, Phanice Wangila, Joyce Kiplimo, and Dennis Chirchir. "Retention efficiencies of halogenated and non-halogenated hydrocarbons in selected wetland ecosystem in Lake Victoria Basin." International Journal of Environment 4, no. 2 (June 3, 2015): 38–52. http://dx.doi.org/10.3126/ije.v4i2.12623.

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The determination of retention efficiencies of halogenated and non-halogenated hydrocarbon in selected wetland ecosystems in Lake Victoria basin was carried out. Qualitative and quantitative determination of the presence of residual hydrocarbons in Kigwal/Kimondi, Nyando and Nzoia wetland ecosystems using Gas Chromatography - Mass Spectrometer (GC-MS) instrument indicated the presence of residual organochlorines, organophosphorus, carbamates and synthetic pyrethroid hydrocarbons in water, sediment and plant materials. In order to compare the retention efficiencies of the wetlands, the wetland ecosystems were divided into three different sections, namely: inlet, mid and outlet. Calculations of mass balances of residual halogenated and non-halogenated hydrocarbons at the respective sections was done taking into account the partition of the studied compounds in samples of water, sediments and papyrus reed plant materials and analyzed using validated Gas Chromatography - Mass Spectrometer (GC-MS) method. From the analysis, several residual hydrocarbons namely: bendiocarb, benzene hexachloride (BHC), carbaryl, cypermethrin, decis, deltamethrin, diazinon, dieldrin, DDT, DDD, DDE, malathion, propoxur, sumithion, 5-phenylrhodanine, 1,3,5-trichlorobenzene, 1-(2-phenoxybenzyl)hydrazine were detected and quantified. The levels of the selected residual hydrocarbons in water samples were used to calculate the retention efficiencies of a specific hydrocarbon and the values recorded. Generally, River Nyando wetland recorded mean percentage retention efficiencies of 76 and 94% for dry and rainy seasons respectively; Kigwal/Kimondi wetland had seasonal mean percentage retention efficiencies of 63 to 78%. River Nzoia also had calculated seasonal mean percentage retention efficiencies of between 56 to 88%. Dry season had lower mean percentages retention efficiencies as compared to rainy season in the three wetlands of interest during the period of study. The study observed that retention efficiencies of tropical wetland ecosystems is greatly affected by its concentration within the wetland tank systems, anthropogenic activities, physical properties of the hydrocarbon, and environmental conditions among others. There are several anthropogenic activities which contributed to the presence of hydrocarbons in the wetlands and they included: agricultural, municipal, industrial and public health activities. DOI: http://dx.doi.org/10.3126/ije.v4i2.12623 International Journal of Environment Vol.4(2) 2015: 38-52
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Agol, Dorice, Hannah Reid, Florence Crick, and Hausner Wendo. "Ecosystem-based adaptation in Lake Victoria Basin; synergies and trade-offs." Royal Society Open Science 8, no. 6 (June 2021): 201847. http://dx.doi.org/10.1098/rsos.201847.

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Healthy ecosystems such as forests and wetlands have a great potential to support adaptation to climate change and are the foundation of sustainable livelihoods. Ecosystem-based adaptation (EbA) can help to protect and maintain healthy ecosystems providing resilience against the impacts of climate change. This paper explores the role of EbA in reconciling socio-economic development with the conservation and restoration of nature in Lake Victoria Basin, Kenya, East Africa. Using selected ecosystems in the Lake region, the paper identifies key EbA approaches and explores trade-offs and synergies at spatial and temporal scales and between different stakeholders. The research methods used for this study include site visits, key informant interviews, focus group discussions, participatory workshops and literature reviews. An analytical framework is applied to advance the understanding of EbA approaches and how they lead to synergies and trade-offs between ecosystem services provision at spatial and temporal scales and multiple stakeholders. Our results show that EbA approaches such as ecosystem restoration have the potential to generate multiple adaptation benefits as well as synergies and trade-offs occurring at different temporal and spatial scales and affecting various stakeholder groups. Our paper underscores the need to identify EbA trade-offs and synergies and to explore the ways in which they are distributed in space and time and between different stakeholders to design better environmental and development programmes.
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Romanescu, Gheorghe, Madalina Pascal, Alin Mihu Pintilie, Cristian Constantin Stoleriu, Ion Sandu, and Madalina Moisii. "Water Quality Analysis in Wetlands Freshwater: Common Floodplain of Jijia-Prut Rivers." Revista de Chimie 68, no. 3 (April 15, 2017): 553–61. http://dx.doi.org/10.37358/rc.17.3.5500.

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Water resources in the Jijia catchment basin are limited and often polluted. The catchment basin of Jijia is situated in northeastern Romania and it crosses the Moldavian Plain on the north-west-south-east direction. The purpose of the present study is to analyze 26 physico-chemical parameters providing the annual and multiannual water quality index. Two water-sampling points were selected: Jijia-Victoria [S.1] and Jijia-Opriseni [S.2]. The high values of nitrates are caused by the use of nitrogen-based chemical fertilizers and of manure. Contamination with nitrites (N-NO2-) and nitrates (N-NO3-) of wetlands and deepwater habitats in the floodplain of Jijia is still high because of agricultural and zootechnical activities. The phosphorus within freshwater habitats is a consequence of anthropogenic pressure: improper storage of animal waste and/or use of phosphates-based fertilizers. Global water quality index (WQi) shows that both monitoring stations are included in the Medium high class.
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Mwakubo, Samuel M., and Gideon A. Obare. "Vulnerability, livelihood assets and institutional dynamics in the management of wetlands in Lake Victoria watershed basin." Wetlands Ecology and Management 17, no. 6 (March 31, 2009): 613–26. http://dx.doi.org/10.1007/s11273-009-9138-6.

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Mugisha, P., F. Kansiime, P. Mucunguzi, and E. Kateyo. "Wetland vegetation and nutrient retention in Nakivubo and Kirinya wetlands in the Lake Victoria basin of Uganda." Physics and Chemistry of the Earth, Parts A/B/C 32, no. 15-18 (January 2007): 1359–65. http://dx.doi.org/10.1016/j.pce.2007.07.040.

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Kiggundu, Nicholas, Listowel Abugri Anaba, Noble Banadda, Joshua Wanyama, and Isa Kabenge. "Assessing Land Use and Land Cover Changes in the Murchison Bay Catchment of Lake Victoria Basin in Uganda." Journal of Sustainable Development 11, no. 1 (January 30, 2018): 44. http://dx.doi.org/10.5539/jsd.v11n1p44.

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The Murchison Bay catchment in the northern shoreline of Lake Victoria basin is a high valued ecosystem because of the numerous human-related activities it supports in Uganda. The catchment has undergone tremendous human-induced land use/cover changes, which have not been quantified. This study aimed at quantifying the land use/cover changes as well as the rate at which these changes occurred over the last three decades in the catchment. This was achieved using remote sensing techniques and Geographic Information System (GIS) to analyse and contextualize the changes. To that effect, images of Landsat satellites MSS, TM, ETM+ and OLI were interpreted using supervised image classification technique to determine the land use/land cover changes from 1984 to 2015. The obtained results indicated that the catchment has undergone huge land use and land cover transformations over the last three decades attributable to rapid population growth and urbanization. The prevailing changes in footprint between 1984 and 2015 were expansions of built–up land (20.58% to 49.59%) and open water bodies (not detected in 1984 to 1.74%), and decreases in the following sectors: agricultural lands (from 43.88% to 26.10%), forestland (from 23.78% to 17.49%), and wetlands (from 11.76% to 5.08%). The changes pose a threat to the environment and water quality of the Murchison Bay and consequently increases National Water and Sewerage Corporation water treatment costs. Therefore, there is the need to take critical and practical measures to regulate and police land use, water use rights and conserve the environment especially wetlands.
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Dissertations / Theses on the topic "Wetlands Victoria Kanyapella Basin"

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Kinaro, Zachary. "Wetland Conversion to large-scale agricultural production; implications on the livelihoods of rural communities, Yala Swamp, Lake Victoria basin, Kenya." Thesis, Linköping University, Department of Water and Environmental Studies, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-10716.

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Wetlands in most parts of the world are under threat of over-exploitation, loss and/or degradation partly due to agriculture and urban land uses.

Yala swamp, the largest fresh water wetland in Kenya measuring about 17,500 ha supports a large biodiversity and is source of livelihoods to communities around it. This study addresses the situation where part of this wetland is converted into large-scale agriculture by a multinational company, Dominion Farms (K) Ltd resulting into a conflict and controversy amongst key stakeholders. The study sought to investigate livelihood impacts this transformation has for the local community. It employs the concepts Stakeholder Analysis (SA) and Sustainable Livelihood Approaches (SLA) to asses the livelihood situation in terms of socio-economic conditions, rural infrastructure, income diversification, food security and environmental issues.

Data and information have been obtained from primary and secondary sources through field survey at the Yala wetland, in which randomly sampled small-scale farmers, fisher folk, Dominion employees, local leaders and informants, traders and other stakeholders were interviewed using questionnaire and other participatory methods. The main questions were designed to gain information about historical use of the wetland, changes in livelihoods and wetland before and after entry of Dominion Company into the area. From the study, it is evident that assessment of the key stakeholders in relation to this natural resource is of utmost importance for mapping out an acceptable management strategy for the wetland. Besides being cause to a conflict and controversy over control of and access to the swamp, the conversion has resulted into both negative and positive short-term and long-term livelihood impacts to the local community. The wetland being a contested resource with multiple users who claim a stake on it requires a holistic approach in its management that caters for divergent needs and views of key stakeholder groups. The study identifies management issues and proposes abroad vision for the future including recommendations for planning as well as suggestions for specific research needs that should form the basis of action

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Books on the topic "Wetlands Victoria Kanyapella Basin"

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F, Madulu N., ed. Indigenous knowledge and institutional setup in wetlands management in the Lake Victoria basin, Tanzania. Addis Ababa: Organisation for Social Science Research in Eastern and Southern Africa, 2009.

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2

Mwakalila, Shadrack. Indigenous knowledge and institutional setup in wetlands management in the Lake Victoria basin, Tanzania. Addis Ababa: Organisation for Social Science Research in Eastern and Southern Africa, 2009.

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3

(Kenya), Lake Victoria Environmental Management Programme National Working Group No 2. Report of the National Working Group No.2 on management of water quality and land use including wetlands in the Lake Victoria basin, Kenya. Nairobi, Kenya: Ministry of Environment and Natural Resources, Lake Victoria Environmental Management Programme, 1992.

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Book chapters on the topic "Wetlands Victoria Kanyapella Basin"

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Bavor, Herbert John, and Michael Thomas Waters. "Buffering Performance in a Papyrus-Dominated Wetland System of the Kenyan Portion of the Lake Victoria Basin." In Wastewater Treatment, Plant Dynamics and Management in Constructed and Natural Wetlands, 33–38. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8235-1_4.

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Twesigye, Charles K. "Application of Remote Sensing Technologies and Geographical Information Systems in Monitoring Environmental Degradation in the Lake Victoria Watershed, East Africa." In Green Technologies, 653–77. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-60960-472-1.ch405.

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Accurate information on the state of water resources in the Lake Victoria watershed is crucial for planning and sustainable development in the East African region. This region largely depends on its natural resource-base for economic development, and therefore comprehensive information on its resources dynamics is key in implementing poverty alleviation strategies, improving human condition and preserving the biological systems upon which the region‘s population depends. This chapter focuses on key issues, which have emerged as a result of population growth and development in the region. The research on which this chapter is based aims to address the concerns on land use and settlement trends in the study sites, vulnerability of the communities to water stress and sustainability of the livelihood systems in the watersheds of Nzoia River Basin (Kenya), Nakivubo Wetland (Uganda) and Simiyu River Basin (Tanzania). These communities engage in unique land use practices that have intensified environmental degradation in recent times. The research adopts a multi-disciplinary approach in bringing to the fore the various processes affecting watershed resources use and management in the selected wetlands of the Lake Victoria Drainage Basin (LVDB). The data presented covers trends in vegetation cover loss, pesticide pollution and general water quality parameters. Geographic information systems (GIS) and remote sensing techniques were employed to unveil land use patterns that have resulted in the degradation of the watershed. Wetland degradation levels have been characterized using secondary data generated by analytical techniques. New emerging challenges of environmental degradation caused by industrial, domestic and agricultural activities are presented and discussed. The potential of the new science of hydroinformatics in integrated watershed management through mathematical modeling, geographic information systems analysis and water supply management is highlighted.
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