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2024

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Sea Blindness Or Sea Vision In Inland Waters : The State Of Maritime Domain Awareness In Lake Victoria-Kenya, Jacob Ogembo Odanga Nov 2024

Sea Blindness Or Sea Vision In Inland Waters : The State Of Maritime Domain Awareness In Lake Victoria-Kenya, Jacob Ogembo Odanga

World Maritime University Dissertations

No abstract provided.


The Influence Of Planning And Architectural Styles On The Sustainability Of The City Of Kumasi, Ghana, Elom Ayeke Oct 2024

The Influence Of Planning And Architectural Styles On The Sustainability Of The City Of Kumasi, Ghana, Elom Ayeke

Tanzania Journal of Engineering and Technology (TJET)

The city of Kumasi that was once dubbed the ‘Garden City of West Africa’ was founded in the late 17th century and served as the seat of government for the medieval Greater Asante Union. It later served as a commercial hub for the British Colony after undergoing massive transformation in the first two decades of the 19th century. Post-independence, the city went through various urban planning projects that mostly targeted social development. The architecture of Kumasi has also been changing through different periods of its history. This article examines the relationship between the evolution of the city of Kumasi through …


Relationship Between Historic Evolution, Urbanization And Mobility In Ibadan, Nigeria, Aisha Adams Oct 2024

Relationship Between Historic Evolution, Urbanization And Mobility In Ibadan, Nigeria, Aisha Adams

Tanzania Journal of Engineering and Technology (TJET)

Ibadan is said to be the biggest indigenous city in Nigeria with a population of about 4.04 million, making it the third largest city in the country after Lagos and Kano. Since its founding in 1829, Ibadan has experienced urban evolution that is mostly unguided. With its high fertility rate, population growth and rural-to-urban migration, Ibadan has experienced significant urban sprawl that has resulted in challenges in urban mobility especially to the lower-income earners. This study looks at the relationship between urban planning, urbanization and mobility in the city of Ibadan. The study found that lack of integrated land use …


Urbanization And Urban Sprawl In The Post-Colonial Era Douala City, Cameroon, Sylvia Munisi Oct 2024

Urbanization And Urban Sprawl In The Post-Colonial Era Douala City, Cameroon, Sylvia Munisi

Tanzania Journal of Engineering and Technology (TJET)

The history of the port city of Douala spans pre-colonial period, colonial period of the Germans and French occupation, the post-colonial era and the contemporary situation with continuous occupancy of the coastal environment. This article looks at the relationship between the history of the city of Douala to the resulting urban situation focusing on governance structure as well as rapid urbanization. The findings show that governance structure allowing for a duality of modern political system and traditional cultural system of kingships and chiefdoms has an effect to the resulting urban sprawl. Moreover, rapid urbanization under this condition has an overall …


The Use Of Locally Available Materials Towards Urban Planning For Sustainable Construction: The Case Of Gondar-Ethiopia, Kidist Dereje Oct 2024

The Use Of Locally Available Materials Towards Urban Planning For Sustainable Construction: The Case Of Gondar-Ethiopia, Kidist Dereje

Tanzania Journal of Engineering and Technology (TJET)

The city of Gondar in northern Ethiopia has a rich history that is connected to urban planning and construction. From the era of the Fasiledes that built masonry castles, Italian colonialism that zoned the city on racial boundaries and the post-colonial planning that wanted a more global standard, Gondar has been subjected to different planning and construction methods. This evolution however, has brought about challenges related to the sustainability of the construction industry and the communities within the city. This paper analyses the relationship between urban planning and use of local construction materials to attain sustainable development of the city. …


Transport Mobility Analysis For Informal Settlements In Dar Es Salaam, Tanzania, Fatma Kassim Mohamed Oct 2024

Transport Mobility Analysis For Informal Settlements In Dar Es Salaam, Tanzania, Fatma Kassim Mohamed

Tanzania Journal of Engineering and Technology (TJET)

Dar es Salaam is one of the world’s fastest growing cities and is expected to be the third largest by 2100 with a population of 76 million. Dar es Salaam city is made of multiple neighbourhoods that are very diverse in terms of socio-economic status, gender, age and prevalent activities. One of the biggest challenges facing the city of Dar es Salaam is urban sprawl due to informal settlements that in turn leads to very long travel time and hinders equal mobility and accessibility of labour and goods. This study found that the current mobility vision for Dar es Salaam …


Investigating The Relationship Between History, Urbanization And Wealth Gap In Johannesburg, South Africa, Abdallah F. Kaamah Oct 2024

Investigating The Relationship Between History, Urbanization And Wealth Gap In Johannesburg, South Africa, Abdallah F. Kaamah

Tanzania Journal of Engineering and Technology (TJET)

The city of Johannesburg is the largest city in South Africa and named as one of the economic drivers of the country. However, the city has the widest wealth gap in the country. This article examines the relationship between historical occurrences, urbanization, and the resulted wealth disparity in Johannesburg and look at the mitigation measures. The findings point to the wealth disparity in the city as a multifaceted problem influenced by historical, urbanization, and political variables. Comprehensive and multifaceted policy initiatives are required to address the structural causes of inequality and the urgent needs of vulnerable populations to close the …


Antibacterial Activity And Phylogeny Of Griseofulvin Producing Aspergillus And Penicillium Species From Kunduchi Mangrove Sediments, Tanzania, Blandina A. Mavoa, Shaaban A. A. Kassuwi, Juma M. Hussein Oct 2024

Antibacterial Activity And Phylogeny Of Griseofulvin Producing Aspergillus And Penicillium Species From Kunduchi Mangrove Sediments, Tanzania, Blandina A. Mavoa, Shaaban A. A. Kassuwi, Juma M. Hussein

Tanzania Journal of Science

Marine fungi are an underrated reservoir of bioactive metabolites for drug discovery. This study focused on fungi isolated from Kunduchi mangrove sediments in Tanzania. In an attempt to investigate the antibacterial activities of marine fungi and uncover their bioactive compounds, ethyl acetate crude extracts of fungal isolates were screened for antibacterial activity against human pathogens (Bacillus subtilis, Staphylococcus aureus and Escherichia coli) followed by compounds identification by Gas Chromatography-Mass Spectrometry (GC/MS). A total of seven fungal isolates were obtained from sediments. Crude extracts from isolate 1 and isolate 2 exhibited significant antibacterial activities with a Minimum Inhibitory Concentration ˃ 3.13 …


Natural Bee Space And Comb Cell Dimensions Of Honey Bee Colonies In Mwinkantsi Village, Babati District, Tanzania, Theobald J Theobald, Richard A Kidabaga, Shibonage K Mashilingi Oct 2024

Natural Bee Space And Comb Cell Dimensions Of Honey Bee Colonies In Mwinkantsi Village, Babati District, Tanzania, Theobald J Theobald, Richard A Kidabaga, Shibonage K Mashilingi

Tanzania Journal of Science

The use of improved beehives in beekeeping is emphasized to facilitate easier colony manipulations. The improved beehives used in Tanzania are either imported or manufactured locally by adopting dimensions for European honey bees. However, the dimensions adopted are faulty to the dimensions of local honey bees, leading to problems such as cross-combing which hinder realization of the expected management advantages. This study assessed the characteristic natural bee space and comb cell dimensions of honey bee colonies occupied the traditional split log hives in Mwinkantsi village, Babati district. Results showed that honey bee colonies in Mwinkantsi village exhibited an overall bee …


Nesting Of An Alien Invasive House Crow Corvus Splendens In Verges Along Arterial Roads In Dar Es Salaam, Tanzania, Jasson R. John Oct 2024

Nesting Of An Alien Invasive House Crow Corvus Splendens In Verges Along Arterial Roads In Dar Es Salaam, Tanzania, Jasson R. John

Tanzania Journal of Science

In most cities where little of the original natural vegetation remains, road verges act as home to many urban wildlife. However, the use of road verges for alien avifauna such as House Crow (Corvus splendens) has not been fully documented. This study, conducted between June and July 2021 investigated nesting preferences of the House Crow with particular regards to different verge subdivisions of arterial roads and tree species in Dar es Salaam, Tanzania. Nests were searched in 1813 trees (=42 species) along a stretch of 20 km, and 159 trees (=15 species) were nested with C. splendens. Overall, a total …


An Age-Structured Model For The Effects Of Temperature And Rainfall On The Transmission Dynamics Of Malaria, Alanus Mapunda, Eunice Mureithi, Nyimvua Shaban Oct 2024

An Age-Structured Model For The Effects Of Temperature And Rainfall On The Transmission Dynamics Of Malaria, Alanus Mapunda, Eunice Mureithi, Nyimvua Shaban

Tanzania Journal of Science

This study has investigated the impact of temperature and rainfall on the transmission dynamics of malaria using an age-structured population model, with a class of pregnant women. The equilibrium solutions have been analyzed, and numerical simulations carried out. The results show that there are significantly high rates of malaria infections for the temperature and rainfall ranging between (23.53 0C − 39.80 0C) and (14.82 mm − 38.44 mm) respectively. The results have shown that, the most affected populations are children up to five years old and pregnant women, and that decreasing the rate of transplacental transmission increases the number of …


Advanced Principal Component Analysis Of Various Risk Factors Of Hepatitis B Prevalence In Nigeria., Nureni O. Adeboye, Olumide S. Adesina, Habeeb A. Afolabi, Timothy A. Ogunleye Oct 2024

Advanced Principal Component Analysis Of Various Risk Factors Of Hepatitis B Prevalence In Nigeria., Nureni O. Adeboye, Olumide S. Adesina, Habeeb A. Afolabi, Timothy A. Ogunleye

Tanzania Journal of Science

Hepatitis B virus (HBV) is an infectious disease globally estimated to have caused between 500,000 to 1.2 million deaths annually. HBV prevalence is still high in Nigeria. Thus, this research aimed to identify factors germane to the widespread of HBV infection in an apparent clinical survey. The methods of analysis used were frequency, percentage and Principal component analysis (PCA). This was achieved through hospital record extracts of consultant hepatologists and the dimensionality reduction of the acquired data while retaining essential factors that are germane to the prevalence of HBV infection. The findings revealed that out of seventeen components evaluated in …


Multi-Criteria Analysis Of Municipal Solid Wastes Treatment Scenarios: The Case Of Arusha City, Tanzania, Edwin N. Richard Oct 2024

Multi-Criteria Analysis Of Municipal Solid Wastes Treatment Scenarios: The Case Of Arusha City, Tanzania, Edwin N. Richard

Tanzania Journal of Science

Selection of the most effective municipal solid waste (MSW) treatment option is crucial for sustainable MSW management, but it remains a challenge in most cities of developing countries. More often, the decision-makers make the selection of the treatment options without economic (ECs), and environmental (ENCs) cost evaluations. Consequently, the selected technologies fail to suit the local conditions of the concerned areas and they become a high burden activity to manage. Therefore, this study aimed to use the multi-criteria analysis approach based on the ELECTRE method to analyse the most effective MSW treatment option in terms of ECs and ENCs costs …


Design, Fabrication And Performance Evaluation Of Parabolic And Enhanced Solar Box Cookers In Isimani, Tanzania, Margaret E Samiji, Nuru R Mlyuka Oct 2024

Design, Fabrication And Performance Evaluation Of Parabolic And Enhanced Solar Box Cookers In Isimani, Tanzania, Margaret E Samiji, Nuru R Mlyuka

Tanzania Journal of Science

Clean cooking energy is a global priority, especially in developing countries where firewood and charcoal remain the primary cooking fuels. Solar cooking is an attractive alternative in these countries since it is eco-friendly and utilises freely available solar radiation. Utilisation of solar cookers however is still very low mainly due to the perceived complexity and lack of confidence in the available solar cooker models. In this work, the enhanced box and parabolic solar cookers were designed, fabricated and tested taking into consideration standard solar cookers and local cooking requirements. The enhanced box solar cooker was designed with booster mirrors making …


Effect Of Alkali Treatment On The Chemical Composition And Dyeability Of Sisal Fibers, Cosmas F Kindole, Pendo N Bigambo Oct 2024

Effect Of Alkali Treatment On The Chemical Composition And Dyeability Of Sisal Fibers, Cosmas F Kindole, Pendo N Bigambo

Tanzania Journal of Science

Recently, natural fibers have gained significant attention from many researchers due to the global demand for natural products with low environmental impacts. Sisal (Agave Sisalana), is among the important natural fibers with substantial potential to flourish due to their outstanding properties, including high strength, good absorbency, and abundant availability. However, utilization of these fibers is yet to be fully explored, probably due to their stiff and coarse nature, which limits the overall applications of this sustainable fiber. This study, therefore, investigated the effect of alkali treatment on the chemical composition and dyeability of sisal fibers as a way of adding …


Isolation And Characterization Of Yeast From Sisal Boles For Bioethanol Production, Neema Msuya, Sospeter P Andrew, Abraham K Temu Oct 2024

Isolation And Characterization Of Yeast From Sisal Boles For Bioethanol Production, Neema Msuya, Sospeter P Andrew, Abraham K Temu

Tanzania Journal of Science

Sisal boles are part of the 98% sisal plant waste that is discarded. They have a high bio-diversity of microorganism species, including yeast that can be utilized for bioethanol production. The objective of the study was to isolate yeast cells from sisal boles juice for bioethanol production. Sisal boles for juice extraction were randomly collected from Ubena sisal estate, Pwani region. To preserve the targeted microorganisms cold juice pressing method was used. Pour plate method was used on Potato Dextrose Agar and four distinct colonies were formed and repeatedly sub-cultured to obtain four pure yeast isolates. The juice yield was …


Effects Of Operating Parameters On The Higher Heating Value Of Kitchen Waste During Hydrothermal Carbonization, Veronika Gerald Kimario, Mahir Mohammed Said Oct 2024

Effects Of Operating Parameters On The Higher Heating Value Of Kitchen Waste During Hydrothermal Carbonization, Veronika Gerald Kimario, Mahir Mohammed Said

Tanzania Journal of Science

Hydrothermal carbonization (HTC) is a promising waste to energy technology for conversion of organic wastes with high water contents. There have been relatively few studies focused on evaluating the HTC of solid waste (SW). The studies have provided valuable information regarding HTC feasibility and potential environmental benefits. However, they lack the data necessary to understand how carbonization product composition and reaction extent change with the variation of operating parameter. This study sought to characterize kitchen waste from a university restaurant, to assess the impact of operating parameters on hydro-char and evaluate its potential as a solid fuel. The methodology for …


The Occurrence And Variations Of Total Aflatoxins And Aflatoxin B1 In Different Types Of Chicken Feeds Marketed In Dar Es Salaam, Tanzania, Mambaga S. Muja, Regina P. Mtei, Kessy F. Kilulya Oct 2024

The Occurrence And Variations Of Total Aflatoxins And Aflatoxin B1 In Different Types Of Chicken Feeds Marketed In Dar Es Salaam, Tanzania, Mambaga S. Muja, Regina P. Mtei, Kessy F. Kilulya

Tanzania Journal of Science

This paper reports on the occurrence and variation of total aflatoxins (TAF) and aflatoxin B1 (AFB1) in different types of chicken feeds collected from various locations in Dar es Salaam. A total of 63 chicken feed samples based on cotton seed hulls, sunflower seed hulls, maize bran and mixed feeds were analysed using HPLC-FLD. It was revealed that all samples were contaminated with both TAF and AFB1, varying significantly with respect to their types. Specifically, 52.9% of the cotton seed hulls and 64.7% of maize bran samples exceeded the set tolerable limit of 5 ng g−1 for AFB1. All sunflower …


Assessment Of The Dose Coverage At The Ptv For Ebrt For Cervical Cancer Treatment Plan Using Aaa Varian Eclipse Tps At Ocean Road Cancer Institute, Tanzania, Kelvin G. Ngowi, Mwingereza J. Kumwenda, Khamis O. Amour Oct 2024

Assessment Of The Dose Coverage At The Ptv For Ebrt For Cervical Cancer Treatment Plan Using Aaa Varian Eclipse Tps At Ocean Road Cancer Institute, Tanzania, Kelvin G. Ngowi, Mwingereza J. Kumwenda, Khamis O. Amour

Tanzania Journal of Science

The implementation of the Eclipse treatment planning system software (Version 15.1) at Ocean Road Cancer Institute (ORCI), Tanzania has made the Anisotropic Analytical Algorithm (AAA) the necessary routine tool for dose calculations. However, the accuracy of the AAA algorithm in planning doses specifically for cervical cancer treatment is not well known. Therefore, this study investigated the accuracy of the AAA in dose calculation in terms of the dose coverage at the Plan Target Volume (PTV) for cervical cancer treatment at the ORCI. 50 treatment plans of adult patients with International Federation of Gynecology and Obstetrics (FIGO) stage IB-IIIB cervical cancer …


Exergy Analysis And Performance Testing Of A Gravitational Water Vortex Turbine Runner For Small Hydropower Plants: An Experimental Approach, Adam Faraji, Yusufu Abeid Chande Jande, Thomas Kivevele Oct 2024

Exergy Analysis And Performance Testing Of A Gravitational Water Vortex Turbine Runner For Small Hydropower Plants: An Experimental Approach, Adam Faraji, Yusufu Abeid Chande Jande, Thomas Kivevele

Tanzania Journal of Science

Gravitational water vortex power plants (GWVPPs) have recently gained popularity due to their low initial investment, simple design, ease of maintenance, and low head utilization. However, the technology suffers from poor performance issues caused by the non-optimized parameters of its crucial components, such as the runner. In this study, the performance of a runner (16° blade-hub angle, six blades, and a curved blade profile) for a GWVPP was experimentally examined. The study also employed an exergy analysis. The experimental results revealed that the efficiency of the GWVPP system was in the range of 9.84% to 25.35%, the torque was in …


Radiation Doses To Patients Undergoing Common X-Ray Examinations From Selected Hospitals In Dar Es Salaam And Zanzibar, Tanzania, Ali O. Masoud, Mwingereza J. Kumwenda, Salum K. Salum, Ahmad M. Jusabani Oct 2024

Radiation Doses To Patients Undergoing Common X-Ray Examinations From Selected Hospitals In Dar Es Salaam And Zanzibar, Tanzania, Ali O. Masoud, Mwingereza J. Kumwenda, Salum K. Salum, Ahmad M. Jusabani

Tanzania Journal of Science

This study involved 300 patients, comprising 113 females and 187 males, from six X-ray units. The study focused on evaluating the patient dose for common X-ray examinations at selected hospitals in Dar es Salaam and Zanzibar, Tanzania. The achieved results were compared with previous studies and Diagnostic Reference Levels (DRLs). Entrance surface air kerma (ESAK) was calculated for chest posteroanterior (PA), cervical spine anteroposterior/lateral (AP/Lat), abdomen anteroposterior (AP), and lumbar spine anteroposterior/lateral (AP/LAT) examinations. The study results revealed the following average ESAK values: chest posteroanterior (PA), 0.34 mGy; abdomen anteroposterior (AP), 1.92 mGy; lumbar spine anteroposterior (AP), 2.78 mGy; and …


Performance Of A Bipolar Output Voltage Dc-Dc Converter For Voltage Regulation For Solar Pv System Application, Stampinus M. Stephano, Jackson. J. Justo, Bakari M. M. Mwinyiwiwa Oct 2024

Performance Of A Bipolar Output Voltage Dc-Dc Converter For Voltage Regulation For Solar Pv System Application, Stampinus M. Stephano, Jackson. J. Justo, Bakari M. M. Mwinyiwiwa

Tanzania Journal of Science

A combined Single-Ended Primary-Inductor Converter (SEPIC) and Cuk DC-DC converter that provides a bipolar outputs voltage at the DC bus is widely used in applications especially solar photovoltaic (SPV) system. Maintaining constant output voltages at the DC bus under variable loads and input voltage from SPV is of great interest to many researchers. This paper presents a 400 W mathematical model of a combined SEPIC and Cuk DC-DC converter through state space averaging (SSA) in a continuous conduction mode (CCM). A nested voltage and current control loops are used to regulate voltage and increase the performance of the converter. These …


Concentrations Of Rare Earth And Valuable Elements In Mkuju Uranium Cores For Recovery, Joshua Ndalusanye, Mohamed Mazunga Oct 2024

Concentrations Of Rare Earth And Valuable Elements In Mkuju Uranium Cores For Recovery, Joshua Ndalusanye, Mohamed Mazunga

Tanzania Journal of Science

Rare earth elements and valuable elements within Mkuju uranium core samples were analysed using EDXRF. Mean elemental concentrations for selected elements including Al, P, K, Ti, V, Mn, Fe, Y, Mo, Ag, Ba, La, Ce, and U were determined as 96445.79 μg/g, 547.19 μg/g, 25296.88 μg/g, 5926.33 μg/g, 116.26 μg/g, 455.02 μg/g, 60.1 μg/g, 142.34 μg/g, 15.8 μg/g, 493.98 μg/g, 67.53 μg/g, 118.68 μg/g, and 128.37 μg/g respectively. The Rare Earth elements: Y, La and Ce and valuable elements: Mo, Ag and U have enrichment factor of EF >1.5 which indicates that, these elements were formed from rocks through geological …


Adsorptive Performance Of Composite Of Sugarcane Bagasse Fibres And Multiwalled Carbon Nanotubes For Simultaneous Removal Of Multi–Pollutants From Wastewaters, Joseph W Sengasu, Joseph Yn Philip, Kessy F Kilulya Oct 2024

Adsorptive Performance Of Composite Of Sugarcane Bagasse Fibres And Multiwalled Carbon Nanotubes For Simultaneous Removal Of Multi–Pollutants From Wastewaters, Joseph W Sengasu, Joseph Yn Philip, Kessy F Kilulya

Tanzania Journal of Science

This paper reports on the performance of the prepared Sugarcane Bagasse Fibres – Multiwalled Carbon Nanotubes (SBF–MWCNTs) composite for simultaneous removal of Crystal Violet (CV), Pb(II), Cr(III), Cd(II) and Co(II) from the effluent using a fixed bed method. Different composites of SBF–MWCNTs biosorbent were prepared from mixtures of varied ratios of SBF and MWCNTs at 25 °C. The SBF–MWCNTs materials were characterized by FT-IR spectroscopy and thermogravimetric analysis. Crystallinity index and swelling behaviour of the materials were also determined. Thomas model linear equation was applied in the assessment of pollutants adsorption performance at different conditions. With a column height of …


The Impact Of Land Use And Land Cover Change On Water Quality In Lake Victoria Catchment: A Case Study Of Nkangabile River At Nyegezi Bay, Tanzania, Charles A Mashafi, Makemie Mabula, Masumbuko Semba, Charles N Ezekiel Oct 2024

The Impact Of Land Use And Land Cover Change On Water Quality In Lake Victoria Catchment: A Case Study Of Nkangabile River At Nyegezi Bay, Tanzania, Charles A Mashafi, Makemie Mabula, Masumbuko Semba, Charles N Ezekiel

Tanzania Journal of Science

Understanding the trends and impacts of anthropogenic activities in the water basins and catchments is key to the effective management and conservation of aquatic environments. This study analyses the land use and land cover (LULC) changes in the Nkangabile catchment and their impacts on water quality in the Nyegezi Bay of Lake Victoria, Tanzanian side. GIS and Remote sensing techniques were used to analyze the multi-temporal changes in LULC that occurred in the past 30 years from 1983 to 2013, split into four epochs of 10-year intervals. The changes in LULC were analyzed using image differencing and cross-tabulation for pairwise …


Application Of Combined Geophysical And Archaeological Survey Techniques: A Case Study Of Singida Region, Tanzania, Makarius Peter Itambu, Eliah Mwamakimbula1, Nasra Yahaya, Jasmine Kilela Oct 2024

Application Of Combined Geophysical And Archaeological Survey Techniques: A Case Study Of Singida Region, Tanzania, Makarius Peter Itambu, Eliah Mwamakimbula1, Nasra Yahaya, Jasmine Kilela

Tanzania Journal of Science

The seismically active Singida region in central Tanzania lies at the edge of the East African Rift System (EARS) which is locally designated the Gregory Rift. The archaeological record of the region, especially in the eastern part of the Ikungi District, unlike that of northern Tanzania, is comparatively unknown, despite early archaeological expeditions hinting at its potential. Recent research in the eastern area suggests that it preserves a long record of hominin occupation spanning the Early to Late Stone Age. This interdisciplinary field work, carried out between August 2022 to August 2023, resulted in the discovery of a relatively deep …


Vegetation Invasion Influences Waterbird Assemblages And Aquatic Environmental Parameters In Urban Areas Of Dar Es Salaam, Tanzania, Daudi O. Damas, Jasson R. John Oct 2024

Vegetation Invasion Influences Waterbird Assemblages And Aquatic Environmental Parameters In Urban Areas Of Dar Es Salaam, Tanzania, Daudi O. Damas, Jasson R. John

Tanzania Journal of Science

Waste Stabilisation Ponds (WSPs) serve as refuge habitats for waterbirds in response to the decline of natural wetlands especially in urban settings. Various sewage treatment stages within WSPs attract waterbirds differently based on the specific characteristics of each stage. This study examines the influence of treatment stages on both vegetated and non-vegetated WSPs over a period of one year in Dar es Salaam, Tanzania. Bird surveys were periodically conducted at each treatment stage along with different environmental variables; dissolved oxygen, electrical conductivity, water turbidity, water temperature, pH, and invertebrate biomass. In non-vegetated WSPs, waterbird densities and invertebrate biomass were significantly …


Gender In Tanzania: People’S Perceptions On Changing Female Gender Roles In Dar Es Salaam, Tanzania, Samantha Rice Oct 2024

Gender In Tanzania: People’S Perceptions On Changing Female Gender Roles In Dar Es Salaam, Tanzania, Samantha Rice

Tanzania: Wildlife Conservation and Political Ecology

Traditional gender roles have existed in Tanzania for centuries and are only now beginning to change as the country becomes increasingly globalized and more immersed in the global scene. Many studies in Tanzania focus on the lived experiences of women and women’s equality from an outsider’s perspective. Few focus on the general population’s perception of the state of gender roles and how they are changing. The city of Dar Es Salaam is uniquely exposed to external influences, being a large commercial city growing more rapidly than most cities in Africa. By using a questionnaire and the general population of Dar …


Adherence To Hygiene Protocols And Doxycycline Therapy In Ameliorating Lymphatic Filariasis Morbidity In An Endemic Area Post-Interruption Of Disease Transmission In Ghana, Linda Batsa Debrah, Philip J Budge, Et Al. Oct 2024

Adherence To Hygiene Protocols And Doxycycline Therapy In Ameliorating Lymphatic Filariasis Morbidity In An Endemic Area Post-Interruption Of Disease Transmission In Ghana, Linda Batsa Debrah, Philip J Budge, Et Al.

2020-Current year OA Pubs

Filarial lymphedema (LE) remains a significant global problem despite the progress made toward elimination of lymphatic filariasis (LF). In Ghana, the main approach to LF is preventive chemotherapy, but this has minimal impact on individuals who have already developed LE. In 2018-2020, a 24-month randomized, double-blind, placebo-controlled trial was conducted to evaluate the efficacy of stringent hygiene measures using the Essential Package of Care with or without additional administration of doxycycline (DOX) to improve filarial leg LE. This study enrolled 356 participants with LE stages 1-3 from two districts in the Upper East Region of Ghana. In addition to regular …


Effects Of Land-Use Types On Avian Functional Diversity In Kilimanjaro Region, Tanzania, Ava Joan Boettiger Oct 2024

Effects Of Land-Use Types On Avian Functional Diversity In Kilimanjaro Region, Tanzania, Ava Joan Boettiger

Tanzania: Wildlife Conservation and Political Ecology

This research examined avian abundance and functional diversity across four human land uses— monoculture, mixed farming, rural, and urban areas—in the Kilimanjaro Region of Northern Tanzania. Conducted in November 2024, the study aimed to assess how different land-use types influence avian composition and functional diversity. A quasi-experimental design was employed, using purposive sampling to select study sites and systematic random sampling point counts to observe bird species present in each land-use type. A literature review was also conducted to classify species into families and categorize them into functional feeding guilds: predators, insectivores, frugivores, granivores, and nectarivores. Statistical analyses, including ANOVA, …