Influence of climate variability on wetland cultivation: a case of lake Victoria shoreline wetlands in Misungwi district

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dc.contributor.authorJoseph, Maganga Cypridion
dc.date.accessioned2025-05-08T08:45:58Z
dc.date.available2025-05-08T08:45:58Z
dc.date.issued2013
dc.descriptionDissertation
dc.description.abstractThis study assessed the influence of climate variability on wetland cultivation using a case of Lake Victoria shoreline wetlands in Misungwi District. Specifically the study assessed farmers’ awareness of climate variability taking place in the study area, rainfall and temperature variability and their influence on wetland farming, and lastly assessed wetland cover changes in relation to increased agricultural activities and climate variability. The study used information and data collected from four villages selected from three wards bordering the lake. Primary data were collected by using a semi-structured questionnaire, key informant interviews checklist and observations. Also secondary data were collected from different sources. A total of 147 farmers cultivating in wetlands along Lake Victoria shoreline were interviewed. Furthermore, remotely sensed imageries were used for land use and land cover mapping within the study area. Quantitative socio-economic information was analyzed using Statistical Package for Social Scientists (SPSS) while satellite images were analyzed using ERDAS Imagine and ArcView GIS software. Mann- Kendal test was used to analyse the trends in rainfall and temperature for different years. Results indicate that rainfall was declining with varying distribution over time. The intermediate rainfall mainly January and February increased slightly while long rains decreased over the whole periods. Maximum and minimum Temperature revealed mixed treads (increasing and decreasing) over the different periods under considerations. The land cover/use change analysis revealed that for the period 1975-2011, the cultivated land increased by 15% and open water bodies by 2% while grassland decreased by 11% and closed forest by 9%. The changes were attributable to overgrazing, agricultural Expansion, availability of market for horticultural crops and settlements due to population increase as revealed from interviews. Results revealed that 95.9% of respondents interviewed were aware on climate variability. The study concludes that climate variability have had influence on wetland cultivation.
dc.description.sponsorshipTanzania Commission for Science and Technology (COSTECH) and Ministry of Agriculture, Food Security and Cooperatives (MAFCS)
dc.identifier.urihttps://www.suaire.sua.ac.tz/handle/123456789/6715
dc.language.isoen
dc.publisherSokoine University of Agriculture
dc.subjectClimate variability
dc.subjectClimate change
dc.subjectWetlands
dc.subjectWetland farming
dc.titleInfluence of climate variability on wetland cultivation: a case of lake Victoria shoreline wetlands in Misungwi district
dc.typeThesis

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