Bachelorarbeit, 2014
66 Seiten
Geowissenschaften / Geographie - Geologie, Mineralogie, Bodenkunde
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
1.2 STATEMENT OF THE PROBLEM
1.3 OBJECTIVES
1.3.1 General objective
1.3.2 Specific objectives
1.4 RESEARCH QUESTIONS
1.5 SCOPE OF THE STUDY
1.6 SIGNIFICANCE OF THE STUDY
1.7 DEFINITION OF THE KEY TERMS
1.7.1Environmentalchange
1.7.2 Climate change
1.7.3 Land degradation
1.7.4 Wetland
1.7.5 Water potential
2.0 LITERATURE REVIEW
2.1 Climate change impacts
2.2 Causes of wetland degradation
2.2.1 Human cause
2.2.2 Natural cause
2.3 Forms of wetland and soil degradation
2.4 Consequences of climate change impact on wetland water resources
3.0 METHODOLOGY
3.1 AREA OF STUDY
3.2 RESEARCH DESIGN
3.3 PHYSICAL ENVIRONMENT
3.3.1 DRAINAGE AND TOPOGRAPHY
3.3.2 CLIMATE AND VEGETATION
3.3.3 SOILS
3.4 SAMPLING TECHNIQUES
3.4.1 POPULATION
3.5 DATA COLLECTION
3.5.1 PRIMARY DATA COLLECTION
3.5.2 SECONDARY DATA
3.6 DATA ANALYSIS
3.7 LIMITATIONS OF THE STUDY
4.0 PRESENTATION AND DISCUSSION OF FINDINGS
4.1 Climate change impacts in the region
4.2 CAUSES OF WETLAND DEGRADATION
4.2.1 Human cause
4.2.2 Natural causes of wetland degradation
4.3 Forms of wetland and soil degradation
4.4 Consequences of Climate change impact on wetland water resources
5.0 SUMMARY, CONCLUSION AND RECOMMENDATIONS
5.1 SUMMARY
5.2 CONCLUSION
5.3 RECOMMENDATIONS
This study aims to examine the impacts of environmental change on the water potential of the Bugingo wetland system in Mayuge District, Uganda. It explores how climate change and human-induced land degradation contribute to water scarcity and ecosystem decline, ultimately seeking to propose feasible management strategies to improve water storage capacity and preserve the wetland's natural resources.
(a) Settlements and Urbanization
It was observed in the study that urbanization and settlements has caused impairment of Bugingo wetlands. This has resulted into direct loss of wetland as well as degradation of wetlands. Degradation has occurred in form changes in water quantity, quality and flow rates; increase in pollutant inputs; and reduction in species composition as a result of introduction of non-native species and disturbance. The major pollutants associated with urbanization are sediment, nutrients, oxygen-demanding substances, heavy metals, hydrocarbons, bacteria, and viruses. Construction activities have been a major source of suspended sediments that enter wetlands through urban runoff. Impervious surfaces such as, buildings, and parking lots are constructed. Impervious surfaces have prevented rainfall from percolating into the soil (See plate 5 below).
As it was observed in the study, many buildings do alter hydro periods and water flow in the wetland. This also in agreement with what USEPA (1994a) and USEPA (1994b) observed that many buildings in the wetland do create impervious surfaces. This reduces water infiltration hence causing reduction of the water leading to wetland degradation (See Plate 5).
1.0 INTRODUCTION: This chapter provides the background of the study, defining environmental change and climate change as primary drivers for wetland degradation, and establishes the specific objectives and research questions for the analysis.
2.0 LITERATURE REVIEW: This section examines existing research on climate change impacts, including prolonged dry seasons and soil erosion, as well as human and natural causes of wetland degradation.
3.0 METHODOLOGY: This chapter details the descriptive and analytical research design used, including systematic data collection methods like observations, interviews, and questionnaire surveys within the Bugingo wetland area.
4.0 PRESENTATION AND DISCUSSION OF FINDINGS: This section presents the empirical findings regarding climate change impacts and various forms of wetland degradation, supported by field photographs and measured data on erosion.
5.0 SUMMARY, CONCLUSION AND RECOMMENDATIONS: This final chapter synthesizes the study's conclusions regarding the link between environmental change and wetland demise and offers recommendations for interdisciplinary management and policy intervention.
Environmental change, Climate change, Wetland degradation, Bugingo wetland, Water potential, Mayuge District, Soil erosion, Hydrology, Land use, Water scarcity, Ecosystem management, Anthropogenic impacts, Sustainability, Water quality, Sedimentation.
The research focuses on examining how environmental and climate change impacts the water potential and overall health of the Bugingo wetland in Mayuge District, Uganda.
The study addresses climate change, wetland degradation, soil erosion, water quality changes, human encroachment, and potential management remedies.
The primary objective is to investigate the impacts of environmental change on the water availability of the Bugingo wetland and to identify measures to improve its water storage capacity.
The study used descriptive and analytical methods, including systematic random sampling, transect walks, field observations, face-to-face interviews, focus groups, and quantitative measurements of erosion and water quality.
The main body covers a literature review of climate change impacts, detailed analysis of human and natural causes of degradation, and an assessment of erosion and water scarcity through field findings.
The study is best characterized by keywords such as environmental change, wetland degradation, water potential, sustainable utilization, and hydrological impacts.
Brick making contributes to degradation by clearing vegetation for fuel and digging deep pits that alter the physical, chemical, and biological characteristics of the wetland, rendering it non-functional for water filtration.
It is influenced by fluctuating precipitation and dry seasons, leading to significant variations in water level and storage capacity throughout the year.
Urban development introduces impervious surfaces that prevent rainfall from percolating into the soil, alters water flow rates, and introduces pollutants that degrade water quality.
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